Smart Wi-Fi thermostat · Honeywell Home

Honeywell Home TH8320WF1029 Smart Thermostat

Smart Wi-Fi thermostat

At a glance

Suited to phone control and scheduling.

Strong points
Works with Amazon Alexa, Vera.
Weak points
C-wire need not stated.
Best match
Phone control and scheduling.
Works with
Amazon Alexa, Vera
Connectivity
Wi-Fi
Display
touchscreen
Power
Battery Powered
Voltage
30 V
Material
Changeover
Prices change often; the button shows today's price.

Each button opens this exact model. We may earn a commission on tracked links; it never changes what we publish. Disclosure

Updated October 2026

Will it work with your system?

Works well with

  • Phone control and scheduling
  • Systems the maker's checker confirms

Check first if you have

  • Line-voltage baseboard heat
  • Millivolt gas heaters

What it controls

The Honeywell Home TH8320WF1029 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.

Check your wall for a C terminal: the listing doesn't say whether it needs a C wire. The C wire guide covers adapters.

The listing doesn't state heat pump support; if you have an O/B wire, confirm with the maker before ordering. Heat pump wiring.

Connectivity: Wi-Fi. It amazon Alexa, Vera.

Not sure of your wiring? The wiring checker reads your system from the terminal letters and checks it against this model's statements.

Also on the listing: dimensions of 1.25 in (D) x 6 in (W) x 4.63 in (H), a weight of 16 ounces and a touchscreen.

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 numberTH8320WF1029Retailer
Dimensions (seller)1.25"D x 6"W x 4.63"HRetailer
Works withAmazon Alexa, VeraRetailer
Features (seller)ProgrammableRetailer
ConnectivityWi-FiRetailer
PowerBattery PoweredRetailer
Voltage30 VRetailer
DisplaytouchscreenRetailer
Mounting / installationWall MountRetailer
MaterialChangeoverRetailer
Product weight16 ouncesRetailer

Strong points and weak points

Strong points

  • Works with Amazon Alexa, Vera

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 TH8320WF1029 Smart Thermostat need a C wire?
The listing doesn't say whether it needs a c wire.
Does the Honeywell Home TH8320WF1029 Smart Thermostat work with a heat pump?
The listing doesn't say; check the maker's compatibility checker.

Other smart thermostats with similar wiring

All smart thermostats in one grid · Every Honeywell Home control listed

Our take

Suited to 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.

Prices change often; the button shows today's price.

Each button opens this exact model. We may earn a commission on tracked links; it never changes what we publish. Disclosure