REVIEWS / COMPARE
Drayton Wiser Smart Thermostat Kit 1 vs Honeywell Home T9 Smart Thermostat
Drayton Wiser Smart Thermostat Kit 1 edges ahead at 8.9 vs 6.7 — but read the trade-offs below; Honeywell Home T9 Smart Thermostat may still be the better fit for you.
| Drayton Wiser Smart Thermostat Kit 1 | Honeywell Home T9 Smart Thermostat | |
|---|---|---|
| RATING | 8.9 / 10 | 6.7 / 10 |
| CONFIDENCE | low | low |
| USER VOICES | 51 | 53 |
| POSITIVE | 75% | 38% |
| PRICE | — | — |
| RECOMMENDED | ✓ Yes | ✓ Yes |
Drayton Wiser Smart Thermostat Kit 1
★ STRENGTHS
- Significantly cheaper than competitors like Tado
- Offers robust local control without forced subscriptions
- HubR architecture makes add-on remotes optional
✗ WATCH OUT
- DIY installation is very difficult with older, seized plumbing valves
- Requires careful planning to leave a radiator 'dumb' for boiler safety
- Users report occasional 2.4GHz Wi-Fi connectivity issues
Honeywell Home T9 Smart Thermostat
★ STRENGTHS
- Room sensor averaging effectively balances temps across rooms
- Tight temperature deadband (0.5-1°F) — tighter than many competitors
- Solid HomeKit integration once configured
✗ WATCH OUT
- WiFi issues: no 5GHz support, disconnection problems with certain routers like Eero
- Sensor reliability concerns — users report defective units out of the box
- App doesn't display humidity from remote sensors
HOW THIS COMPARISON WAS BUILT
Both verdicts are synthesised from real user voices on Reddit, YouTube, Hacker News, ProductHunt, Trustpilot and editorial sources — 51 for Drayton Wiser Smart Thermostat Kit 1, 53 for Honeywell Home T9 Smart Thermostat. No paid placement; ratings come from raw sentiment, not our opinion. Read the methodology.