Smart Wi-Fi thermostat · Honeywell Home

Honeywell Home TH9320WF5003 Smart Thermostat

Smart Wi-Fi thermostat

At a glance

Suited to phone control and scheduling.

Strong points
Works with Touch.
Weak points
C-wire need not stated.
Best match
Phone control and scheduling.
Works with
Touch
Connectivity
Wi-Fi
Display
Manual
Power
Hardwired
Voltage
24 V
Material
Plastic
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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 TH9320WF5003 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.

Power is where installs stall: the listing doesn't say whether it needs a C wire. C-wire options.

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 touch.

Tick your terminals in the wiring checker to see whether its maker's statements cover your system.

Also on the listing: dimensions of 0.88 in (D) x 4.5 in (W) x 3.5 in (H), a weight of 0.65 kg and a manual.

Warranty, per the listing: Manufacture.

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 numberTH9320WF5003Retailer
Model nameHoneywell TH9320WF5003 WiFi 9000 Color Touchscreen Thermostat, Works with Alexa, Needs 'C' Wire Honeywell TH9320WF5003 WiFi 9000 Color Touchscreen Thermostat, Works with Alexa, Needs 'C' WireRetailer
Dimensions (seller)0.88"D x 4.5"W x 3.5"HRetailer
Works withTouchRetailer
Features (seller)Alerts and reminders: on display and through app.Retailer
ConnectivityWi-FiRetailer
PowerHardwiredRetailer
Voltage24 VRetailer
DisplayManualRetailer
Mounting / installationWall MountRetailer
Batteries1 Lithium Ion batteries required.Retailer
MaterialPlasticRetailer
WarrantyManufacture.Retailer
Product weight0.65 kgRetailer

Strong points and weak points

Strong points

  • Works with Touch

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 TH9320WF5003 Smart Thermostat need a C wire?
The listing doesn't say whether it needs a c wire.
Does the Honeywell Home TH9320WF5003 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