Smart Thermostats give you precise control over your heating and cooling, reduce wasted energy, and can pay for themselves through lower utility bills. In this guide you’ll find the top models across price points and feature sets so you can pick the thermostat that best fits your home, HVAC system and technical comfort level.
You’ll learn which units are easiest to install, which deliver the biggest energy savings, and which integrate best with voice assistants and multi‑room sensors — information that helps you cut costs and keep your home comfortable.
Top Picks
Category | Product | Price | Score |
|---|---|---|---|
💰 Best Budget | $89.99 | 82/100 | |
🔰 Best for Simplicity | $83.99 | 80/100 | |
🎯 Best Learning | $228.97 | 92/100 | |
🚀 Best for Savings | $104.99 | 88/100 | |
⭐ Best for Air Quality | $219.99 | 90/100 | |
🔰 Best Smart Home Integration | $149.99 | 89/100 | |
🎨 Best Display | $119.99 | 85/100 | |
🎯 Best Multi-Room | $181.13 | 88/100 | |
💼 Best Entry-Level | $72.50 | 80/100 | |
🔧 Best Programmable | $95.53 | 83/100 |
How We Picked These Smart Thermostats
You want a thermostat that reliably saves energy, fits your HVAC and wiring, and won’t become obsolete. We evaluated models for: energy‑saving features and reported savings; compatibility with common HVAC systems and C‑wire requirements; ease of installation and setup for DIYers; smart features (learning schedules, geofencing, remote control); support for sensors or multi‑room balancing; integrations with Amazon Alexa, Google Assistant, Apple Home; display clarity and user interface; price and value; and warranty and manufacturer support. Scores reflect real‑world ratings, feature depth and how well each unit balances comfort and efficiency for typical households.
If you want a practical, budget-friendly entry into Smart Thermostats, this Nest model is one of the easiest ways to start. You can program schedules in the Google Home app, change the temperature from your phone, and let the thermostat automatically turn itself down when the house is empty — handy for daily life and for vacation homes.
Installation is designed to be DIY-friendly and often takes around 30 minutes, though some systems need a C wire or the included power accessory. It’s ENERGY STAR certified, offers HVAC monitoring and helpful app suggestions through Savings Finder, and generally feels like a small upgrade that makes managing comfort and energy use less fiddly.
What People Say
Most people praise how convenient the Nest is to control from their phone and how it helps cut down wasted heating or cooling. Customers often mention the sleek look, simple app-based scheduling, and useful alerts for HVAC issues. A common caveat in reviews is installation: some homes need a C wire or an adapter and setup guidance can feel thin, which leads to mixed experiences for first-time installers.
Overall Sentiment: Positive
![]()
Long-Term Savings
Over time you can expect lower energy bills if you use schedules and let the thermostat reduce heating or cooling when the house is empty. Savings Finder can spot more tweaks and some utilities offer rebates for ENERGY STAR smart thermostats, so initial costs are often offset within a few heating or cooling seasons.
Seasonal Perks
In winter you can set setbacks for nights or away days so you’re not heating an empty house; in summer it can shift cooling to cheaper times of day and help avoid running AC at peak rates. The remote control also makes it easy to warm or cool a vacation home before you arrive.
Why You’ll Like It
You get the peace of mind of checking your home’s temperature from anywhere and receiving alerts if your HVAC looks off. That convenience alone makes it easier to relax about energy use and coming back to a comfortable home.
Ease of Use
Feature | Ease Level |
|---|---|
App setup and scheduling | Easy |
Wiring / C‑wire requirements | Moderate |
Daily temperature control (phone or voice) | Very easy |
Troubleshooting and support | Mixed |
Energy Efficiency
This Nest thermostat is ENERGY STAR certified and includes software features like Savings Finder to help you find additional energy reductions. It can automatically reduce heating or cooling when you’re away, and some utility programs may offer rebates that lower your overall cost.
Solves These Problems
It solves the common problem of wasted heating and cooling by automating setbacks and letting you control temperature remotely. It also monitors HVAC behavior and sends alerts when something looks abnormal, though compatibility with non‑US systems or older setups can be an issue for some buyers.
Top Benefits
- ENERGY STAR certified to help reduce energy use
- Remote control from the Google Home app for on-the-go adjustments
- Savings Finder recommends tweaks to save more on your heating and cooling
- HVAC monitoring sends alerts if something seems off
- Works with Google Assistant and Matter-certified voice assistants
Current Price: $89.99
Rating: 4.1 (total: 27958+)
If you’re stepping into Smart Thermostats without wanting a lot of fuss, the Nest Thermostat E is a practical pick. You can set schedules in the app, change the temperature from your phone, and let it automatically turn down when the house is empty — useful for everyday life and for warming up a vacation rental before you arrive. The frosted display and simple dial keep things visually low-key, so it blends into a light-colored wall rather than standing out.
Installation is meant to be DIY-friendly and often takes under an hour, though some setups need a C‑wire or a power accessory. It’s ENERGY STAR certified and offers energy-history feedback in the app so you can see where you might save more.
Overall, it feels like a modest but effective way to make your home more comfortable and less wasteful.
What People Say
People tend to like how easy it is to control temperature from their phone and how the thermostat helps lower wasted heating or cooling. Reviewers often point to the neat, low-profile look, the app scheduling and helpful energy history, and the convenience of voice control. The main frustrations show up around installation (some homes need a C‑wire or adapter), occasional setup quirks, and a few users mentioning initial unit issues or confusing display clarity.
Overall Sentiment: Positive
![]()
Long-Term Savings
Using schedules and allowing the thermostat to reduce heating or cooling when you’re away usually leads to noticeable savings over months. The app’s energy history and suggestions can help you fine-tune settings, and some utility programs offer rebates for ENERGY STAR smart thermostats, which shortens your payback period.
Seasonal Perks
In winter you can set back temps for nights or when you’re out and still return to a warm home; in summer it helps avoid running AC during peak hours and makes it easy to cool a place before you get back. Remote control also means you can manage a second home’s climate from anywhere.
Why You’ll Like It
You get reassurance from being able to check and adjust your home’s temperature from anywhere and receiving alerts if HVAC behavior looks unusual. That convenience reduces small daily annoyances and makes it easier to relax about energy use.
Ease of Use
Feature | Ease Level |
|---|---|
App setup and scheduling | Easy |
Wiring / C‑wire requirements | Moderate |
Daily control (phone or voice) | Very easy |
Physical display and dial | Easy |
Energy Efficiency
This model is ENERGY STAR certified and includes features that automatically reduce heating and cooling when you’re away. The app shows energy history and suggestions so you can identify extra savings, and some utility rebates may apply.
Solves These Problems
It addresses the common issue of wasted climate control by automating setbacks and letting you manage temperature remotely. It also monitors HVAC behavior and can flag potential problems, though compatibility with some older or multi-stage systems may require extra work or a pro.
Top Benefits
- ENERGY STAR certified to help reduce heating and cooling waste
- Remote control from the Nest/Google Home app for adjustments on the go
- Learns your patterns and can automatically set setbacks when you’re away
- Compatible with Google Assistant and works with many voice systems, plus Alexa compatibility
- Subtle frosted design that blends into light-colored walls
Current Price: $83.99
Rating: 4.1 (total: 297+)
If you want one of the most polished Smart Thermostats, this Nest is a strong pick. You can control temperature from the Google Home app or with your voice, let it learn your routine, and use the included Nest Temperature Sensor to balance rooms that run hot or cold. It’s handy for everyday life — automatic setbacks when you leave, quick adjustments from your phone, and energy reports that show where you saved — and it’s also useful for special occasions like pre-warming a vacation rental or cooling the house before guests arrive.
The display is larger and more readable than older models, and Adaptive Eco and natural heating/cooling features try to pause your system when conditions allow. Installation is often DIY-friendly, but some HVAC setups still need attention (C‑wire quirks pop up for a minority of users). If you want reliable energy savings plus a sleek, smart control center for your HVAC, this is one of the more capable options to consider.
What People Say
Customers often praise the thermostat’s design, the bigger, readable display, and the way it learns habits to cut wasted heating and cooling. People regularly mention the energy-saving features (including the sensor), the convenience of app and voice control, and how the unit integrates into a smart home.
Common gripes focus on setup quirks for certain HVAC wiring (C‑wire edge cases) and regional compatibility for some markets.
Overall Sentiment: Positive
![]()
Long-Term Savings
Letting the thermostat learn your routine and using Adaptive Eco can lower heating and cooling bills over time; Google cites average savings of about 12% on heating and 15% on cooling. Those gains add up across seasons, and energy reports in the app help you fine-tune settings. You may also qualify for utility rebates on smart thermostats, which shortens payback.
Seasonal Perks
In winter you can schedule setbacks for nights or away days and have the home warm again by your return; in summer it avoids running AC during peak heat and lets you cool the house before guests arrive. Remote control is handy if you manage a second home or need to prep a rental for arrivals.
Why You’ll Like It
You’ll appreciate the peace of mind that comes from checking and adjusting your home’s temperature from anywhere, and seeing clear energy reports that show actual savings. That convenience cuts small daily annoyances and helps you feel more in control of comfort and bills.
Ease of Use
Feature | Ease Level |
|---|---|
App setup and scheduling | Easy |
Wiring / C‑wire requirements | Moderate |
Daily control (phone or voice) | Very easy |
Using remote temperature sensors | Moderate |
Energy Efficiency
This Nest model uses learning algorithms, Adaptive Eco and outside-temperature awareness to reduce unnecessary heating and cooling. It reports energy usage in the app and works with remote sensors so you’re not just cooling the hallway.
Google cites average savings of around 12% on heating and 15% on cooling, and eligible buyers may see utility rebates.
Solves These Problems
It solves the usual wasteful-behavior problems by auto-adjusting when you’re away, compensating for sunlight and outdoor temps, and letting you target problem rooms with sensors. It can also surface potential HVAC issues in the app, though some complex or older systems may need a professional or additional wiring.
Top Benefits
- Learns your schedule and makes automatic energy-saving adjustments
- Includes Nest Temperature Sensor to manage hot and cold spots
- Adaptive Eco and natural heating/cooling use outside temps to reduce run time
- Large, easy-to-read display with Dynamic Farsight and customizable looks
- Works with Google Home, Alexa, Siri (via Matter) and remote app control
Current Price: $228.97
Rating: 4.3 (total: 1653+)
This ecobee model is a practical, no‑fuss Smart Thermostat that focuses on energy savings and easy everyday control. You can set schedules from the ecobee app, tap the color touchscreen, or use voice assistants to adjust the temperature on the fly.
It’s Energy Star certified and includes eco+ features like schedule assistant and time‑of‑use preheating/precooling, so you’ll see smarter runtime without needing to babysit settings. Installation is designed for DIY — ecobee even supports homes without a C‑wire via the Power Extender Kit — and compatibility covers most 24 VAC HVAC systems.
For daily life it keeps things comfortable while trimming waste; for special occasions you can remotely warm or cool the house before guests arrive or prep a rental from your phone. If you want a solid, budget‑friendly way to get into Smart Thermostats that actually pays back, this is worth a close look.
What People Say
Across reviews people consistently praise the app and the straightforward setup, plus how the thermostat feels reliable day to day. Customers often point to visible energy savings, helpful eco+ features, and responsive customer support when wiring questions come up.
Common notes include the missing room sensors (sold separately) and small quirks around geofencing or multi‑phone setups, but overall users appreciate the balance of simplicity and control.
Overall Sentiment: Positive
![]()
Long-Term Savings
The unit’s energy‑saving features and scheduling can cut annual heating and cooling costs — ecobee cites up to 23% savings compared to a fixed 72°F/22°C hold — and many people see the hardware pay for itself in months depending on usage and local energy prices. Using time‑of‑use settings and tracking consumption in the app helps you optimize for lower bills, and you may qualify for smart‑thermostat rebates that shorten payback.
Seasonal Perks
In winter you can schedule setbacks for nights or away days and have the home ready by your return; in summer it keeps AC runtime down and can pre‑cool during lower‑cost periods. Remote control is handy for trips or prepping a guest space, and eco+ time‑of‑use features help avoid peak‑rate operation.
Why You’ll Like It
You’ll get more peace of mind knowing you can check and change temperatures from anywhere, and seeing energy use over time makes savings feel tangible. That convenience reduces everyday friction and helps you feel more in control of comfort and costs.
Ease of Use
Feature | Ease Level |
|---|---|
App setup and scheduling | Easy |
Wiring and C‑wire edge cases | Moderate |
Daily control (touchscreen, app, voice) | Very easy |
Adding SmartSensors (sold separately) | Moderate |
Energy Efficiency
This ecobee model is Energy Star certified and includes eco+ smart features like schedule assistant, indoor humidity detection, and time‑of‑use preheating/precooling to reduce runtime during expensive peak hours. Pairing with remote sensors (optional) and using the app’s energy reporting helps you avoid heating or cooling empty rooms and track real savings.
Solves These Problems
It tackles the common wasteful patterns by auto‑scheduling for when you’re away, letting you precondition your home at lower cost hours, and offering humidity detection to avoid over‑running systems. The app and compatibility checker help sort installation and wiring questions, though some advanced HVAC setups may still need a pro or the Power Extender Kit.
Top Benefits
- Energy Star certified and eco+ features that help lower heating and cooling use
- Saves up to 23% on energy bills compared to a hold at 72°F/22°C
- Works with Apple HomeKit, Google Assistant, and Alexa for voice and remote control
- Easy app control and touchscreen for quick daily adjustments
- Broad system compatibility and DIY-friendly installation (PEK available for no C‑wire homes)
Current Price: $104.99
Rating: 4.4 (total: 1021+)
If you want a Smart Thermostats option that feels like an upgrade rather than a gadget, this ecobee Premium is a strong pick. You can control it from the app, the large touchscreen, or with voice assistants like Siri and Alexa, and the built‑in speaker and room sensor make it behave like a small home hub.
It’s Energy Star certified and packed with features meant to cut runtime — from SmartSensor room balancing to open‑window alerts and time‑of‑use preconditioning — so you’ll likely see real reductions in energy use without constant fiddling. For everyday life it keeps the rooms you care about comfortable, and when you’re hosting or heading away you can preheat or cool remotely so the house is guest‑ready on arrival. If you want hands‑off comfort and clearer insight into where your heating and cooling dollars go, this one’s worth considering.
What People Say
You’ll notice most customers like the app and the touchscreen interface, and many highlight real comfort improvements once room sensors are used. People also report meaningful energy savings and appreciate the air‑quality and safety features, though a number mention installation quirks or needing a pro for unusual HVAC setups. Overall the consensus is that it feels premium, useful, and worth the price for the capabilities it adds.
Overall Sentiment: Positive
![]()
Long-Term Savings
The thermostat’s efficiency features — sensor‑based balancing, schedule automation, and time‑of‑use preconditioning — are designed to lower runtime and energy bills. ecobee advertises up to 26% savings compared to a constant 72°F hold; combined with potential utility rebates for smart thermostats, many users see the purchase pay back over time depending on your local rates and heating/cooling habits.
Seasonal Perks
In winter you can set setbacks so the house only heats rooms you use, and in summer you can pre‑cool during cheaper periods to reduce peak runtime. Remote control is handy for vacation homes or preparing guest rooms, and the open‑window alerts help avoid wasted heating or cooling during shoulder seasons.
Why You’ll Like It
You’ll get more confidence and less daily friction — checking and changing the temperature from your phone makes comfort predictable, and the air‑quality and smoke alerts add a layer of reassurance. Seeing usage trends in the app also makes savings feel concrete.
Ease of Use
Feature | Ease Level |
|---|---|
App setup and scheduling | Easy |
Wiring and C‑wire edge cases | Moderate |
Daily control (touchscreen, app, voice) | Very easy |
Adding SmartSensors and multi‑room setup | Moderate |
Energy Efficiency
This model is ENERGY STAR certified and includes eco‑minded features—SmartSensor room balancing, open‑window detection, and time‑of‑use preheating/precooling—to cut wasted runtime. Pairing remote sensors and using the app’s energy reports helps you avoid heating or cooling empty rooms and track actual savings over time.
Solves These Problems
It addresses common comfort and waste issues by using remote sensors to eliminate hot/cold spots, pausing HVAC when a door or window is left open, and offering schedules that match your lifestyle. The included Power Extender Kit and compatibility checker reduce installation headaches, though complex damper systems or unusual HVAC setups may still need a pro.
Top Benefits
- ENERGY STAR certified and claims up to 26% annual savings on heating and cooling
- Includes a SmartSensor (approximately $50.00 value) to reduce hot and cold spots
- Built‑in air quality monitor, smoke alarm detection, and occupancy sensing
- Works with Siri, Amazon Alexa, and Google Assistant for voice and remote control
- Power Extender Kit included for homes without a C‑wire and broad 24 VAC compatibility
Current Price: $219.99
Rating: 4.3 (total: 3,745+)
If you’re shopping Smart Thermostats and want something that just makes life easier, this ecobee Enhanced is a solid, practical choice. You control it from the app, the bright touchscreen, or with voice assistants like Alexa, Siri and Google Assistant, and the eco+ features automatically nudge temperatures down when you’re away or asleep. It hardwires so you don’t worry about batteries, includes a Power Extender Kit for homes missing a C‑wire, and lets you add remote SmartSensors to balance hot and cold spots. Use it day-to-day to keep rooms comfortable and energy bills lower, or preheat/precool the house before guests arrive — it’s one of those upgrades that quietly pays off.
What People Say
You’ll find most customers praise how easy the app and touchscreen are to use and how room sensors actually improve comfort. People often mention real reductions in runtime or bills, the helpful eco+ automation and wide smart‑home compatibility, while a smaller group notes that wiring or unusual HVAC setups can require extra attention.
Overall Sentiment: Positive
![]()
Long-Term Savings
The Enhanced model focuses on preventing waste: schedule automation, occupancy detection and sensor-driven balancing reduce runtime, and ecobee’s estimate of up to 26% savings is realistic for many homes. Combine that with potential utility rebates and you can often recover some of the purchase cost over time depending on your local energy rates and how much you were over‑conditioning before.
Seasonal Perks
In winter you can set setbacks so only occupied rooms warm up, and in summer pre‑cooling during off‑peak times helps avoid peak charges. Remote control is handy for vacation homes or preparing guest rooms, and open‑window alerts reduce accidental heating or cooling during shoulder seasons.
Why You’ll Like It
You get less daily friction — adjusting temperature from your phone or voice feels effortless — and the hardwired design plus safety/eco features give a quiet sense of reliability. Seeing usage trends in the app also makes energy savings feel tangible.
Ease of Use
Feature | Ease Level |
|---|---|
App setup and daily control | Very easy |
Touchscreen interactions | Easy |
Wiring and C‑wire edge cases | Moderate |
Adding SmartSensors and multi‑room balancing | Moderate |
Energy Efficiency
This model is ENERGY STAR certified and uses eco+ automation, occupancy detection and optional SmartSensors to avoid heating or cooling empty rooms. The app’s energy reports and remote control make it easier to track and tweak settings that reduce wasted runtime.
Solves These Problems
It tackles common issues like hot or cold rooms by letting you place sensors where it matters most, prevents wasted heating/cooling when the house is empty, and includes a Power Extender Kit to ease installation. Very complex HVAC systems may still need a professional installer.
Top Benefits
- ENERGY STAR certified with claims of up to 26% annual savings on heating and cooling
- Supports remote SmartSensors (adds room balancing — sensor value roughly $50.00)
- Includes Power Extender Kit for systems without a C‑wire and broad 24 VAC compatibility
- Works with Siri, Amazon Alexa, Google Assistant and Apple HomeKit for voice and remote control
- Hardwired design so you don’t need to replace batteries and it stays reliably connected
Current Price: $149.99
Rating: 4.4 (total: 3,249+)
If you want a no‑nonsense Smart Thermostats option that looks good and saves energy, this Honeywell Home model is worth a look. You can change the high‑definition color display to match your décor, control temperature from the app or with Alexa/Google, and use flexible schedules or utility‑aware programming to avoid peak rates.
Its Smart Response technology learns your system’s cycle times so rooms hit the temperature when you expect, and the bright touchscreen makes on‑device changes painless. Use it every day to keep comfort steady, or set it to preheat or precool before guests arrive — it’s the kind of upgrade that makes life a bit easier.
What People Say
Most users like the bright, easy‑to‑read color touchscreen and the ability to control the thermostat from their phone. People frequently mention smooth scheduling and noticeable reductions in runtime, while a smaller group notes Wi‑Fi setup or regional app compatibility quirks and the need for a C‑wire.
Overall Sentiment: Positive
![]()
Long-Term Savings
Because it’s ENERGY STAR certified and offers scheduling plus utility‑aware features, you can trim wasted runtime and potentially lower annual heating and cooling costs. Add available utility rebates and the energy incentives some providers offer, and you could recover a portion of the purchase price over time depending on how much you were over‑conditioning before.
Seasonal Perks
In winter you can program setbacks so only occupied rooms warm up, and in summer you can pre‑cool during off‑peak windows to avoid peak charges. Remote control is handy for travel or weekend guests when you want the house comfortable on arrival.
Why You’ll Like It
You get more peace of mind — adjusting temperature from your phone or voice feels effortless and the app’s alerts help you stay on top of maintenance. That small sense of control over comfort and energy use makes daily life a little less fiddly.
Ease of Use
Feature | Ease Level |
|---|---|
App setup and daily control | Easy |
Touchscreen customization | Easy |
Wiring and C‑wire requirement | Moderate |
Wi‑Fi pairing and router security | Moderate |
Voice assistant integration | Easy |
Energy Efficiency
This thermostat leverages ENERGY STAR certification, schedule automation and Smart Response learning to reduce unnecessary run time. The app and on‑device feedback make it straightforward to spot and tweak settings that waste energy.
Solves These Problems
It addresses common issues like overheating or overcooling by letting you set precise schedules and by learning cycle times to hit temperatures on time. It also provides alerts for filter changes and lost connections, though unusual HVAC configurations or homes without a C‑wire may need extra attention or an adapter.
Top Benefits
- ENERGY STAR certified to help reduce heating and cooling energy use
- Customizable color touchscreen so the display fits your room
- Remote control via app plus compatibility with Amazon Alexa, Google Assistant and Microsoft Cortana
- Flexible scheduling and utility peak‑rate programming to limit costs during expensive hours
- Smart Response technology learns cycle times to deliver the right temperature when you want it
- Smart alerts for air filter reminders, temperature notifications and connection status
Current Price: $119.99
Rating: 4.3 (total: 19,366+)
If you want a straightforward Smart Thermostats upgrade that focuses on real‑world comfort, the Honeywell Home T9 is worth considering. You can add Smart Room Sensors to prioritize specific rooms or average temperatures across multiple spaces, control everything from the Honeywell Home app or with voice assistants, and use Auto Home/Away scheduling to avoid wasted runtime.
It’s simple enough for daily use—set a schedule, let sensors manage occupied rooms, or kick on pre‑cooling before guests arrive.
What People Say
You’ll see a lot of people praising the multi‑room sensors and the way the T9 balances comfort across rooms. Customers often mention the easy DIY install and the convenience of controlling temperature from the app or with voice commands.
A smaller portion of users report occasional Wi‑Fi/setup quirks, regional compatibility concerns, or worries about longevity.
Overall Sentiment: Positive
![]()
Long-Term Savings
Because it’s ENERGY STAR certified and includes schedule automation and utility‑aware features, you can reduce unnecessary runtime and potentially lower annual heating and cooling bills. Depending on your previous habits and local rebates or demand‑response programs, the thermostat can help recover part of the purchase cost over time.
Seasonal Perks
In summer you can pre‑cool during off‑peak times and use sensors to avoid cooling unused rooms; in winter you can set setbacks and prioritize sleeping areas so occupied spaces are warm without heating the whole house.
Why You’ll Like It
You get more control and less fuss — changing settings from your phone or by voice takes seconds, and sensors reduce the back‑and‑forth of manually adjusting multiple rooms. That small everyday convenience makes home comfort feel less like a chore.
Ease of Use
Feature | Ease Level |
|---|---|
App setup and daily control | Easy |
Touchscreen and on‑device controls | Easy |
Wiring and C‑wire requirement | Moderate |
Pairing and placing Smart Room Sensors | Moderate |
Voice assistant integration | Easy |
Energy Efficiency
The T9 uses ENERGY STAR‑aligned features, Auto Home/Away scheduling and multi‑room sensor data to cut wasted runtime. The app and on‑device feedback make it easy to spot and tweak settings that waste energy.
Solves These Problems
It tackles uneven heating or cooling by letting you prioritize rooms or average multiple sensor readings and by learning how long your system takes to reach setpoints. It also supports utility programs and sends basic alerts, though homes without a C‑wire or with uncommon electrical standards may need an adapter or regional consideration.
Top Benefits
- ENERGY STAR certified features to help reduce heating and cooling runtime
- Smart Room Sensors let you focus comfort on occupied rooms or average multiple rooms
- Works with Honeywell Home app and major voice assistants for remote control
- Long sensor range (up to ~200 ft) for flexible placement
- DIY friendly install with included power adapter for homes without a C‑wire
- Multi‑room balancing and Auto Home/Away scheduling to trim unnecessary use
Current Price: $181.13
Rating: 4.4 (total: 2,873+)
If you’re looking at Smart Thermostats to cut energy waste without a steep learning curve, the Honeywell Home T5 is a practical pick. You get Wi‑Fi control from your phone or tablet, Alexa voice support, and geofencing so the thermostat can save when you’re out and be comfortable when you return.
It’s ENERGY STAR certified, offers 7‑day scheduling or location‑based control, and reports monthly energy use so you can tweak settings. Installation is straightforward if you have a C‑wire (check before you buy), and for day‑to‑day use it’s the sort of upgrade that quietly trims bills and makes life a little easier.
What People Say
You’ll hear a lot of people liking how easy the T5 is to install and use day to day, plus they appreciate the touchscreen and app control for adjusting temps from anywhere. Customers often point to energy reports and scheduling as helpful for trimming bills.
On the flip side, some users run into Wi‑Fi or setup quirks, occasional time/clock or adaptive‑algorithm annoyances, and compatibility issues when a C‑wire is missing.
Overall Sentiment: Positive
![]()
Long-Term Savings
Because it’s ENERGY STAR certified and supports schedule automation and geofencing, typical heavy use of scheduling can cut heating and cooling costs by a noticeable margin. Honeywell cites average savings in the single‑digit to mid‑teens percent range; combine that with local rebates or demand‑response programs and you can recover some of the purchase cost over a few years.
Seasonal Perks
In summer you can pre‑cool or avoid cooling empty rooms with geofencing and schedules; in winter you can set setbacks and prioritize occupied spaces so you’re warm where it matters without heating the whole house.
Why You’ll Like It
You get fewer little annoyances — changing the temperature from your phone or by voice is fast, and Auto Home/Away takes care of forgetfulness. That convenience quickly becomes the small everyday win that makes home comfort feel easier.
Ease of Use
Feature | Ease Level |
|---|---|
App setup and daily control | Easy |
Touchscreen and on‑device controls | Easy |
Wiring and C‑wire requirement | Moderate |
Geofencing / Auto Home & Away | Easy |
Advanced adaptive settings | Moderate |
Energy Efficiency
The T5 pairs ENERGY STAR features with schedule automation, geofencing, and monthly usage reports so you can identify waste and adjust settings. When you use its scheduling or location‑based control, typical savings are in the single‑digit to mid‑teens percent range on heating and cooling runtime.
Solves These Problems
It helps solve wasted runtime and forgotten settings by automatically switching modes when you leave and following a seven‑day schedule or location cues. The T5 won’t fix every HVAC oddity — homes without a C‑wire need an adapter, and some users report occasional connectivity or adaptive‑algorithm quirks — but for most houses it streamlines comfort and trims unnecessary runtime.
Top Benefits
- ENERGY STAR certification plus scheduling to help reduce heating and cooling runtime
- Geofencing and Auto Home/Away save energy when you’re out
- Remote control via Honeywell app and compatibility with Alexa and major voice assistants
- Monthly energy reports and tips to help you spot waste and adjust habits
- Simple touchscreen and app for everyday control — most users find setup quick
- Works with most heat/cool systems; check C‑wire requirement before installing
Current Price: $72.50
Rating: 4.3 (total: 1,165+)
If you want a straightforward way to make your heating and cooling smarter without relying on Wi‑Fi, this Honeywell is a solid pick. It gives you a clear backlit touchscreen, 7‑day programming and Smart Response Learning so the system learns how long it takes to reach your setpoint. You get humidity readouts, filter change reminders and the choice of battery or hard‑wire power, which makes it flexible for older homes.
Compared with cloud‑connected Smart Thermostats it’s simpler — no remote app control — but for everyday schedules and reliable performance it quietly saves runtime and keeps your place comfortable.
What People Say
Most owners like how easy it is to install and program, and they often mention the touchscreen, humidity display and Smart Response Learning as practical perks. People appreciate the battery option and broad system compatibility, while the biggest gripes are a lack of a detailed printed manual and the fact that it isn’t a Wi‑Fi model if you’re comparing it to other Smart Thermostats.
Overall Sentiment: Positive
![]()
Long-Term Savings
Using the 7‑day schedule and letting Smart Response learn your system reduces unnecessary runtime, which can lower heating and cooling costs over time. While exact savings vary by home and habits, you should see noticeable trimming of wasted cycles — combine that with occasional local rebates and the thermostat can pay for itself faster.
Seasonal Perks
In summer you can avoid cooling empty rooms with scheduled setbacks; in winter you can program morning and evening warmups so the house is comfortable when you are without heating the whole day. The humidity readout also helps you manage comfort across seasons.
Why You’ll Like It
You get fewer small annoyances — no more manually chasing schedules or forgetting to change the filter — and the touchscreen makes adjustments quick, which adds up to one less daily thing to worry about.
Ease of Use
Feature | Ease Level |
|---|---|
Touchscreen programming | Easy |
Initial installation and wiring | Moderate |
Setting up 7‑day schedules | Easy |
Switching between battery and hard‑wire power | Moderate |
Reading humidity and filter reminders | Easy |
Energy Efficiency
Smart Response Learning plus 7‑day scheduling reduces unnecessary HVAC runtime by learning how long your system needs to reach setpoints and by avoiding heating or cooling when you’re away. For many households this translates into measurable reductions in operating time and energy use.
Solves These Problems
This thermostat addresses common issues like forgotten schedules and wasted runtime by automating setbacks and learning cycle lengths. It won’t replace cloud features — there’s no Wi‑Fi — and some users may miss a full printed manual, but it’s effective at improving comfort timing and trimming unnecessary HVAC cycles.
Top Benefits
- 7‑day programmable schedules so you heat and cool only when you need to
- Smart Response Learning anticipates cycle times to hit setpoints efficiently
- Bright, touch‑activated display with humidity readout and filter reminders
- Runs on batteries or can be hard‑wired for homes with a C‑wire
- Wide system compatibility — works with many furnaces, heat pumps and fireplaces
- Simple interface for everyday control without the complexity of cloud apps
Current Price: $95.53
Rating: 4.4 (total: 3,291+)
FAQ
How Do I Choose The Right Smart Thermostat For My Home?
You choose a Smart Thermostat by matching its technical compatibility and features to your HVAC system, lifestyle, and budget. First confirm HVAC compatibility and power requirements with your furnace or air handler manufacturer because many modern units require a C‑wire or a power extender kit to maintain reliable operation; some models like the Google Nest Thermostat often sell for around $89.99 while the Nest Learning Thermostat can be around $228.97 and ecobee models are typically $104.99 to $219.99, so factor price against features.
Decide whether you need remote room sensors for hot or cold spots, whether you want learning algorithms versus manual scheduling, and which smart ecosystem (Google Home, Alexa, Apple HomeKit) you prefer for voice control and integrations. Check for ENERGY STAR certification and available utility rebates in your area to lower net cost, read the manufacturer compatibility checker before purchase, and decide if you will install it yourself or hire an HVAC pro when you have complex systems like multi‑stage heat pumps, boilers, or legacy millivolt systems.
Will A Smart Thermostat Really Reduce My Energy Bills And How Much Can I Expect To Save?
Yes, a properly configured Smart Thermostat can lower your bills, but savings depend on climate, your current thermostat, system efficiency, and how you use the device. Real‑world studies and manufacturer guidance report typical savings such as Nest customers averaging about 10%–12% on heating and 15% on cooling and some ecobee messaging of up to ~23% compared to a constant 72°F hold; your results will vary.
To maximize savings, use the app to create sensible schedules, enable Eco/Away modes and time‑of‑use or utility integrations, place sensors where people spend time rather than where the HVAC happens to be, and monitor energy history to spot opportunities for small adjustments. Also consider pairing Smart Thermostats with simple efficiency measures like sealing drafts, changing filters, and using ceiling fans; the device alone helps, but it works best as part of an overall strategy.
What Are Common Installation And Compatibility Problems And How Do I Troubleshoot Them?
The most frequent issues are missing or miswired C‑wires, incorrect wiring for multi‑stage or heat‑pump systems, insufficient power leading to display or connectivity failures, and app/account confusion; region restrictions and firmware changes can also block features. Before you start, turn off HVAC power and take a clear photo of the existing wiring at the old thermostat, verify whether you have a C‑wire, and read the compatibility guide for the model you buy; if no C‑wire exists, use the vendor’s power extender kit or a 24V transformer.
If the thermostat shows wrong units, stutters, or reports errors, reboot, confirm proper terminal connections, update the app and firmware, and only factory‑reset as a last resort; persistent power or error codes should prompt a call to an HVAC technician. For best performance place the thermostat on an interior wall away from direct sun, drafts, doors, and heat‑producing appliances, put remote sensors in occupied rooms rather than hallways, and ensure stable Wi‑Fi (many devices work best on 2.4 GHz). Finally, protect privacy by reviewing account sharing and permissions, add secondary users in the app rather than sharing credentials, and check for available rebates and the device’s ENERGY STAR status to reduce your upfront cost.
Customer Preferences
When choosing between the Google Nest Thermostat, Nest Thermostat E, and the Google Nest Learning Thermostat (4th Gen), you focus on balancing advanced learning and scheduling features versus cost and simplicity — preferring the Learning Thermostat for its adaptive efficiency and granular controls, the Thermostat E for affordability and ease of use, and the standard Nest for a modern interface with solid smart‑home integration. You also prioritize HVAC compatibility, energy‑saving performance, display and sensor quality, voice assistant support, and installation ease to decide which model delivers the best convenience and long‑term value for your home.

Wrapping Up
Smart Thermostats let you control comfort from your phone, cut heating and cooling costs, and adapt to your routine so your system runs less while keeping rooms comfortable. If you want the simplest path to savings, pick a straightforward model that matches your wiring and HVAC; if you want maximum automation and integration choose a learning model with sensors.
Use the buying criteria above to match features to your priorities so you end up with a thermostat that improves comfort, lowers energy use and earns back its cost over time.
| Product | Image | Rating | Price | Connectivity | Power Source |
|---|---|---|---|---|---|
| Google Nest Thermostat | ![]() | 4.1/5 (27,958 reviews) | $89.99 | Bluetooth, Wi-Fi | Battery Powered |
| Nest Thermostat E | ![]() | 4.1/5 (297 reviews) | $83.99 | Wi-Fi | Battery Powered |
| Google Nest Learning Thermostat (4th Gen) | ![]() | 4.3/5 (1,653 reviews) | $228.97 | Wi-Fi | Battery Powered |
| ecobee Smart Thermostat Essential | ![]() | 4.4/5 (1,021 reviews) | $104.99 | Wi-Fi | Battery Powered |
| ecobee Smart Thermostat Premium | ![]() | 4.3/5 (3,745 reviews) | $219.99 | Wi-Fi | Battery Powered |
| Honeywell Home RTH9600WF Smart Thermostat | ![]() | 4.3/5 (19,366 reviews) | $119.99 | Wi-Fi | C-Wire Required |
| Honeywell Home T9 WiFi Smart Thermostat | ![]() | 4.4/5 (2,873 reviews) | $181.13 | Wi-Fi | Battery Powered |
This Roundup is reader-supported. When you click through links we may earn a referral commission on qualifying purchases.






















