Will it work with your system?
Works well with
- Phone control and scheduling
- Heat pump systems
Check first if you have
- Line-voltage baseboard heat
- Millivolt gas heaters
What it controls
The Honeywell Home TH6220WF2006 Smart Thermostat is a smart Wi-Fi thermostat. Its listing doesn't spell out which heating and cooling systems it supports, so run the maker's compatibility checker before you buy.
On power, the listing doesn't say whether it needs a C wire. What a C wire does.
The maker states heat pump support ("T6 Pro Wi-Fi Programmable Thermostat with Stages Up to 2 Heat/1 Cool Heat Pump or 2 Heat/2"), so it can drive an O/B reversing valve. What a heat pump needs from a thermostat.
Stages, per the maker: Up to 2 Heat/1 Cool. Compare that with the W2 and Y2 wires at your wall. Reading stages from your wires.
Connectivity: Wi-Fi. It amazon Alexa, Apple HomeKit.
Tick your terminals in the wiring checker to see whether its maker's statements cover your system.
Also on the listing: dimensions of 1.09 in (D) x 4.06 in (W) x 4.06 in (H), a weight of 4 ounces and a manual.
Compatibility and specs
These come from the maker's listing for this exact model; the source of each is marked. Anything the maker leaves out is marked not stated.
| Model number | TH6220WF2006 | Retailer |
|---|---|---|
| Model name | TH6220WF2006 | Retailer |
| Dimensions (seller) | 1.09"D x 4.06"W x 4.06"H | Retailer |
| Works with | Amazon Alexa, Apple HomeKit | Retailer |
| Features (seller) | Clock Display | Retailer |
| Connectivity | Wi-Fi | Retailer |
| Power | Ac/dc | Retailer |
| Voltage | 30 V | Retailer |
| Display | Manual | Retailer |
| Mounting / installation | Wall Mount | Retailer |
| Batteries | 2 AA batteries required. | Retailer |
| Material | Plastic | Retailer |
| Product weight | 4 ounces | Retailer |
| Heat / cool stages | Up to 2 Heat/1 Cool | Retailer |
| Heat pump support | T6 Pro Wi-Fi Programmable Thermostat with Stages Up to 2 Heat/1 Cool Heat Pump or 2 Heat/2 Cool Conventional | Retailer |
Strong points and weak points
Strong points
- Heat pump support stated
- Stages: Up to 2 Heat/1 Cool
- Works with Amazon Alexa, Apple HomeKit
Weak points
- C-wire need not stated
- Needs Wi-Fi for smart features
Wiring and install notes
- Compatibility statements are the maker's own. Confirm with the maker's compatibility checker, turn the power off before wiring, and leave line-voltage and furnace work to a licensed electrician or HVAC technician.
Thermostats to compare it with
FAQ
Does the Honeywell Home TH6220WF2006 Smart Thermostat need a C wire?
Does the Honeywell Home TH6220WF2006 Smart Thermostat work with a heat pump?
Other smart thermostats with similar wiring
- Aqara W200 Smart Thermostat
- Honeywell Home TH6320ZW2003 Smart Thermostat
- Honeywell Home RTH9585WF1004/W Smart Thermostat
- Honeywell Home RTH9600WF Smart Thermostat
All smart thermostats in one grid · Every Honeywell Home control listed
Our take
A fit for phone control and scheduling.
Where to get it
The link goes to this exact model's listing. Check that the box includes the trim plate or C-wire adapter you need, and confirm your wiring with the maker's compatibility checker before you order.
Each button opens this exact model. We may earn a commission on tracked links; it never changes what we publish. Disclosure


