Honeywell Home
Honeywell Home T9 Smart Thermostat
$209.99
Released 2019
Best Smart Thermostats · head-to-head
Honeywell Home T9 Smart Thermostat vs Wyze Thermostat
A sourced, side-by-side comparison. Wyze Thermostat is cheaper at $79.98. Every spec and price links to its source.
Wyze
Wyze Thermostat
$79.98Cheaper
Released 2021
Which is better: the Honeywell Home T9 Smart Thermostat or Wyze Thermostat?
On the specs we track, they're closely matched. The Wyze Thermostat is the cheaper at $79.98.
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Full spec sheet
✓ marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.
| Spec | Honeywell Home T9 Smart Thermostat | Wyze Thermostat |
|---|---|---|
| US price | $209.99 | $79.98 |
| Brand | Honeywell Home | Wyze |
| Released | 2019 | 2021 |
| Display | Graphical color touchscreen, 4.92 in H x 3.7 in W | IPS display with 180-degree viewing angle; 120 mm L x 65 mm W x 33 mm D overall unit dimensions |
| Sensors included | Includes one wireless SmartRoom sensor (temperature + humidity); up to 20 additional SmartRoom sensors supported | Built-in temperature sensor; up to 6 optional Wyze Room Sensors supported (sold separately) |
| Geofencing | Yes | No |
| Hvac compatibility | Up to 2H/2C conventional systems; up to 3H/2C heat pump systems; 24V low-voltage | 24V forced air (gas/oil/electric), hydronic, heat pump (including dual fuel), single-stage and multi-stage conventional and heat pump; not compatible with electric baseboard (high-voltage) |
| C wire required | No | No |
| Voice assistants | Amazon Alexa, Google Assistant, Apple HomeKit, Microsoft Cortana, Samsung SmartThings, IFTTT, Ring | Amazon Alexa, Google Assistant (requires separate Echo/Google device) |
| Energy reports | Yes | Yes |
| Release | 2019 | 2021 |
Sources — Honeywell Home T9 Smart Thermostat: honeywellhome.com (verified 2026-06-15). Wyze Thermostat: wyze.com (verified 2026-06-15).
What's the difference between the Honeywell Home T9 Smart Thermostat and Wyze Thermostat?
Where the two actually differ on the specs we track (5 of 7). Matching specs are omitted.
- Display: Honeywell Home T9 Smart Thermostat Graphical color touchscreen, 4.92 in H x 3.7 in W vs Wyze Thermostat IPS display with 180-degree viewing angle; 120 mm L x 65 mm W x 33 mm D overall unit dimensions
- Sensors included: Honeywell Home T9 Smart Thermostat Includes one wireless SmartRoom sensor (temperature + humidity); up to 20 additional SmartRoom sensors supported vs Wyze Thermostat Built-in temperature sensor; up to 6 optional Wyze Room Sensors supported (sold separately)
- Geofencing: Honeywell Home T9 Smart Thermostat true vs Wyze Thermostat false
- Hvac compatibility: Honeywell Home T9 Smart Thermostat Up to 2H/2C conventional systems; up to 3H/2C heat pump systems; 24V low-voltage vs Wyze Thermostat 24V forced air (gas/oil/electric), hydronic, heat pump (including dual fuel), single-stage and multi-stage conventional and heat pump; not compatible with electric baseboard (high-voltage)
- Voice assistants: Honeywell Home T9 Smart Thermostat Amazon Alexa, Google Assistant, Apple HomeKit, Microsoft Cortana, Samsung SmartThings, IFTTT, Ring vs Wyze Thermostat Amazon Alexa, Google Assistant (requires separate Echo/Google device)
What reviewers say
Sourced tester consensus for each — the "what people who used it think" layer, not just specs.
Honeywell Home T9 Smart Thermostat
Two whitelisted testers (TechHive, Tom's Guide) reviewed the T9 hands-on in 2019 and rate it a strong, sensor-focused smart thermostat, though neither ran lab benchmarks. Both praise best-in-class remote sensors and easy setup; both flag the missing onboard motion sensor and a less-intuitive app. All six quoted lines verified verbatim against the source text. (2 sourced reviews.)
Praised: Best-in-class remote sensors with long range and quick responsiveness; Easy setup and a bright, responsive touchscreen.
Flagged: The thermostat unit itself has no built-in motion sensor; No auto-away/occupancy triggering and no built-in Alexa speaker or behavior learning; Companion app is less intuitive than Ecobee's and has minor glitches.
Wyze Thermostat
No sourced tester review yet.