Best Honeywell Smart Thermostats (2026)
The best Honeywell smart thermostats for 2026, compared on display type and HVAC compatibility.
At a Glance
Honeywell's Home line spans budget T-series and X-series models up through the touchscreen RTH9585WF, plus the separately branded Lyric Pro line for heat pump systems. Here's how the current lineup compares.
5 Criteria to Look For Before Buying a Honeywell Smart Thermostats (2026)
Key buying criteria so you get the right fit the first time.
C-Wire Requirement
Most smart thermostats need a C-wire (common wire) to draw continuous power. Older homes without one either need an added C-wire kit or a model specifically designed to work without one, since a wrong purchase here can mean a return.
HVAC System Compatibility
Heat pumps, dual-fuel systems, and multi-stage furnaces all have different wiring requirements than a standard single-stage system. Always check a thermostat's compatibility checker with your exact system before buying.
Voice Assistant & App Ecosystem
Alexa, Google Assistant, and Siri support varies by model and sometimes by which company's ecosystem you're already invested in. A thermostat locked out of your existing smart home setup adds real daily friction.
Remote Sensors
A single thermostat only reads the temperature at its own location, which can mean a cold bedroom stays cold while the thermostat reads comfortable. Models with remote sensor support let you average or prioritize specific rooms.
Energy Reporting & Star Certification
ENERGY STAR-certified models qualify for many utility rebate programs, and energy usage reports help identify a system that's running less efficiently than it should.
Best Honeywell Smart Thermostats (2026)
Honeywell Home RTH9585WF Wi-Fi Smart Color Thermostat
About this pick
The RTH9585WF's touchscreen and full-color display puts it ahead of Honeywell's button-based models on daily usability.
What earns this the top spot is a combination of broad HVAC compatibility and an app experience that doesn't require a manual to figure out. Honeywell backs this with the kind of long-term software support that matters once you're relying on it daily.
Best if a touchscreen interface matters to you. It's priced toward the lower end of this comparison, so weigh that against how much you actually need the specific advantage called out above before deciding.
Best for: Buyers who want a full touchscreen experience
Check price on AmazonPros
- +Full touchscreen, unlike most Honeywell models
- +7-day programmable scheduling
- +Ships with 7 Day Programmable, a real differentiator among the picks here
- +Ships with Touch Screen, a real differentiator among the picks here
- +Ships with C-Wire Required, a real differentiator among the picks here
Cons
- −Requires a C-wire
- −Sits in the middle of the pack on price, not a standout bargain or splurge either way
- −Specs are based on the current Amazon listing rather than independent hands-on testing
- −Worth double-checking the listing on hvac system compatibility before buying, since that's a key differentiator in this category
Honeywell Home RTH9600WF Smart Color Thermostat ENERGY
About this pick
Shares the RTH9585WF's smart color touchscreen design at a comparable or lower typical price.
It covers the same core scheduling and remote-control function as the top pick but gives up a specific edge (sensor support, display quality, or price) that keeps it a step behind in this particular comparison.
Best if you want the color touchscreen experience at a competitive price. It's priced toward the higher end of this comparison, so weigh that against how much you actually need the specific advantage called out above before deciding.
Best for: Buyers who want a smart color touchscreen for less
Check price on AmazonPros
- +Color touchscreen display
- +ENERGY STAR certified
- +Ships with Smart Color Thermostat, a real differentiator among the picks here
- +Ships with Wi-Fi Programmable Touchscreen, a real differentiator among the picks here
- +Ships with C-Wire Required, a real differentiator among the picks here
Cons
- −Requires a C-wire
- −Ranked below the top pick in this specific honeywell smart thermostats comparison
- −Sits in the middle of the pack on price, not a standout bargain or splurge either way
- −Specs are based on the current Amazon listing rather than independent hands-on testing
Honeywell TH6220WF2006/U Lyric T6 Pro Wi-Fi Programmable
About this pick
The Lyric T6 Pro specifically supports heat pump and dual-fuel configurations up to 2 heat/2 cool stages.
It covers the same core scheduling and remote-control function as the top pick but gives up a specific edge (sensor support, display quality, or price) that keeps it a step behind in this particular comparison.
Best specifically if you have a heat pump or dual-fuel HVAC system. It's priced in the middle of this comparison, so weigh that against how much you actually need the specific advantage called out above before deciding.
Best for: Buyers with a heat pump or dual-fuel system
Check price on AmazonPros
- +Explicit heat pump and dual-fuel support
- +Multi-stage compatibility
- +Ships with 2 Heat/1 Cool Heat Pump, a real differentiator among the picks here
- +Ships with 2 Heat/2 Cool Conventional, a real differentiator among the picks here
- +Ships with Wi-Fi Programmable, a real differentiator among the picks here
Cons
- −More complex setup than single-stage models
- −Ranked below the top pick in this specific honeywell smart thermostats comparison
- −Sits in the middle of the pack on price, not a standout bargain or splurge either way
- −Specs are based on the current Amazon listing rather than independent hands-on testing
Honeywell Home X7S Smart Wi-Fi Programmable Thermostat
About this pick
The X7S represents Honeywell's newer smart Wi-Fi lineup, aimed at replacing the older T-series and RTH models.
It covers the same core scheduling and remote-control function as the top pick but gives up a specific edge (sensor support, display quality, or price) that keeps it a step behind in this particular comparison.
Best if you want Honeywell's most current hardware generation. It's priced toward the higher end of this comparison, so weigh that against how much you actually need the specific advantage called out above before deciding.
Best for: Buyers who want Honeywell's current-generation hardware
Check price on AmazonPros
- +Newer hardware generation than the RTH line
- +Simple black finish fits most decor
- +Ships with Smart Wi-Fi Programmable Thermostat, a real differentiator among the picks here
- +From Honeywell, a name with an established track record in this category
- +Earned the "Best Newer Model" spot in this specific lineup for a reason worth reading above
Cons
- −Less established review history than the long-running RTH9585WF
- −Ranked below the top pick in this specific honeywell smart thermostats comparison
- −Sits in the middle of the pack on price, not a standout bargain or splurge either way
- −Specs are based on the current Amazon listing rather than independent hands-on testing
Honeywell Home T5 Smart Wi-Fi Thermostat
About this pick
The T5 covers core Wi-Fi scheduling without the touchscreen premium of the RTH9585WF.
It covers the same core scheduling and remote-control function as the top pick but gives up a specific edge (sensor support, display quality, or price) that keeps it a step behind in this particular comparison.
Best for buyers who want smart scheduling without paying for a touchscreen. It's priced toward the lower end of this comparison, so weigh that against how much you actually need the specific advantage called out above before deciding.
Best for: Buyers who want core smart features for less
Check price on AmazonPros
- +Lower price than touchscreen models
- +Covers core Wi-Fi scheduling functionality
- +Ships with Smart Wi-Fi Thermostat, a real differentiator among the picks here
- +From Honeywell, a name with an established track record in this category
- +Earned the "Best Budget Option" spot in this specific lineup for a reason worth reading above
Cons
- −No touchscreen interface
- −Ranked below the top pick in this specific honeywell smart thermostats comparison
- −Sits in the middle of the pack on price, not a standout bargain or splurge either way
- −Specs are based on the current Amazon listing rather than independent hands-on testing
Honeywell Home X2S Smart Wi-Fi Thermostat
About this pick
The X2S keeps a smaller physical footprint than Honeywell's touchscreen models, useful for a tighter wall-mount space.
It covers the same core scheduling and remote-control function as the top pick but gives up a specific edge (sensor support, display quality, or price) that keeps it a step behind in this particular comparison.
Best if a compact physical size matters for your wall space. It's the most affordable pick in this comparison, so weigh that against how much you actually need the specific advantage called out above before deciding.
Best for: Buyers who want a smaller thermostat footprint
Check price on AmazonPros
- +Smaller footprint than touchscreen models
- +Simpler installation
- +Ships with Smart Wi-Fi Thermostat, a real differentiator among the picks here
- +Ships with Gray, a real differentiator among the picks here
- +From Honeywell, a name with an established track record in this category
Cons
- −No touchscreen interface
- −Ranked below the top pick in this specific honeywell smart thermostats comparison
- −Specs are based on the current Amazon listing rather than independent hands-on testing
- −Worth double-checking the listing on hvac system compatibility before buying, since that's a key differentiator in this category
Honeywell Wireless WiFi Thermostat
About this pick
An older but still-available 7-day programmable Wi-Fi model worth comparing on price against the newer options above.
It covers the same core scheduling and remote-control function as the top pick but gives up a specific edge (sensor support, display quality, or price) that keeps it a step behind in this particular comparison.
Worth comparing directly against the top picks above. It's the premium pick in this comparison, so weigh that against how much you actually need the specific advantage called out above before deciding.
Best for: Buyers comparison shopping
Check price on AmazonPros
- +Established, long-running model
- +7-day programmable scheduling
- +Ships with Wireless WiFi Thermostat, a real differentiator among the picks here
- +Ships with 7 Day Programmable, a real differentiator among the picks here
- +From Honeywell, a name with an established track record in this category
Cons
- −Older hardware generation than the X-series
- −Ranked below the top pick in this specific honeywell smart thermostats comparison
- −Priced at the top of this comparison, so the upgrade needs to be worth it for your use case
- −Specs are based on the current Amazon listing rather than independent hands-on testing
How We Evaluated These Honeywell Smart Thermostats (2026)
Each pick was assessed across 5 criteria weighted for real-world use.
Real Amazon Listings
Every pick here is pulled from current, purchasable Amazon listings, no discontinued models or placeholder specs.
Compatibility Verification
We check each thermostat's stated C-wire and HVAC system requirements against common household setups.
Feature-Level Comparison
We compare voice assistant support, remote sensor compatibility, and display type as stated in each listing.
Brand Track Record
We weigh how consistently a brand has delivered on app reliability and long-term software support across its thermostat line.
Use-Case Fit
Picks are ordered with a specific buyer's home setup and budget in mind, not a single best-overall metric.
How to Choose the Right Honeywell Smart Thermostats (2026)
By Priority
| Your priority | Recommended pick |
|---|---|
| Buyers who want a full touchscreen experience | Honeywell Home RTH9585WF Wi-Fi Smart Color Thermostat |
| Buyers who want a smart color touchscreen for less | Honeywell Home RTH9600WF Smart Color Thermostat ENERGY |
| Buyers with a heat pump or dual-fuel system | Honeywell TH6220WF2006/U Lyric T6 Pro Wi-Fi Programmable |
| Buyers who want Honeywell's current-generation hardware | Honeywell Home X7S Smart Wi-Fi Programmable Thermostat |
| Buyers who want core smart features for less | Honeywell Home T5 Smart Wi-Fi Thermostat |
By Budget
| Priority | Recommended pick |
|---|---|
| The most affordable pick in this comparison | Honeywell Home X2S Smart Wi-Fi Thermostat (Best Compact Design) |
| Balanced pick | Honeywell Home RTH9600WF Smart Color Thermostat ENERGY (Best Color Display) |
| Top-rated pick | Honeywell Home RTH9585WF Wi-Fi Smart Color Thermostat (Best Overall) |
Honeywell Home RTH9585WF Wi-Fi Smart Color Thermostat vs. Honeywell Home RTH9600WF Smart Color Thermostat ENERGY
Honeywell Home RTH9585WF Wi-Fi Smart Color Thermostat
Our top pick in this comparison, ranked 1 of 7. Buyers who want a full touchscreen experience.
Honeywell Home RTH9600WF Smart Color Thermostat ENERGY
A strong alternative, priced toward the higher end of this comparison. Best if buyers who want a smart color touchscreen for less.
Rank vs. Price Position
| Rank | Price position |
|---|---|
| #1, Honeywell Home RTH9585WF Wi-Fi Smart Color Thermostat | Priced toward the lower end of this comparison |
| #2, Honeywell Home RTH9600WF Smart Color Thermostat ENERGY | Priced toward the higher end of this comparison |
| #3, Honeywell TH6220WF2006/U Lyric T6 Pro Wi-Fi Programmable | Priced in the middle of this comparison |
| #4, Honeywell Home X7S Smart Wi-Fi Programmable Thermostat | Priced toward the higher end of this comparison |
| #5, Honeywell Home T5 Smart Wi-Fi Thermostat | Priced toward the lower end of this comparison |
| #6, Honeywell Home X2S Smart Wi-Fi Thermostat | The most affordable pick in this comparison |
For Honeywell smart thermostat Buyers Specifically
If you're buying for this exact use case, don't just default to the top-ranked overall pick, match the specific badge to your priority instead.
Honeywell Home RTH9585WF Wi-Fi Smart Color Thermostat is the clearest all-around pick in this comparison, but check the badges above for a better fit if your priority is narrower.
When to Spend More / Save
Spend more if
You want the most complete feature set and don't mind paying more for Honeywell Home RTH9585WF Wi-Fi Smart Color Thermostat-tier hardware.
Save if
You just want reliable core functionality, Honeywell Home X2S Smart Wi-Fi Thermostat covers the basics at the most affordable pick in this comparison.
Frequently Asked Questions
Do I need a C-wire for a smart thermostat?
Most smart thermostats need one for continuous power, but several current models are specifically designed to work without one by drawing small amounts of power through the existing heating/cooling wires. Check the specific listing's compatibility checker before buying if you're not sure your home has a C-wire.
Will a smart thermostat work with my HVAC system?
Compatibility depends on your system type (single-stage, multi-stage, heat pump, dual-fuel) and wiring. Every major brand offers an online compatibility checker where you enter your existing thermostat's wire labels to confirm before buying.
How much can a smart thermostat actually save on energy bills?
Manufacturers commonly cite 10-15% savings on heating and cooling costs from scheduling and geofencing features, though actual savings depend heavily on your existing habits and how consistently the schedule is followed.
Do smart thermostats work during a power outage or Wi-Fi outage?
Most smart thermostats fall back to basic manual operation without Wi-Fi, controlling the system at whatever temperature was last set, but lose remote access and scheduling features until connectivity returns.
Is professional installation required for a Honeywell smart thermostat?
Most current models are designed for DIY installation with an included wiring diagram and compatibility app, typically taking 30-60 minutes. Complex systems (heat pumps with auxiliary heat, for example) may benefit from professional installation to avoid wiring mistakes.
Bottom Line
best overall: Honeywell Home RTH9585WF Wi-Fi Smart Color Thermostat - best overall pick in this roundup.
See the full rankings above for all picks with pros, cons, and best-for summaries.
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