Smart Wi-Fi thermostat · Honeywell Home

Honeywell Home RTH8580WF Smart Thermostat

Smart Wi-Fi thermostat

At a glance

Shortlist it for phone control and scheduling.

Strong points
Works with Android, Vera.
Weak points
Needs a C wire (maker).
Best match
Phone control and scheduling.
C-wire
Unit requires C WIRE to work
Works with
Android, Vera
Connectivity
Wi-Fi
Display
Digital
Power
Battery Powered
Material
RTH8580WF
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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

  • Walls without a C wire, unless you add one
  • Line-voltage baseboard heat
  • Millivolt gas heaters

What it controls

The Honeywell Home RTH8580WF 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: its maker says it needs a C wire ("Unit requires C WIRE to work"). 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 android, 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: a weight of 1.5 lb and a digital.

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 numberRTH8580WFRetailer
Model nameHoneywell Wi-Fi 7-Day Programmable Touch Screen Smart Thermostat 9000 SeriesRetailer
Works withAndroid, VeraRetailer
Features (seller)ProgrammableRetailer
ConnectivityWi-FiRetailer
PowerBattery PoweredRetailer
DisplayDigitalRetailer
Mounting / installationWall MountRetailer
Batteries1 Lithium Metal batteries required. (included)Retailer
Product weight1.5 lbRetailer
MaterialRTH8580WFRetailer
C-wireUnit requires C WIRE to workRetailer

Strong points and weak points

Strong points

  • Works with Android, Vera

Weak points

  • Needs a C wire (maker)
  • 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 RTH8580WF Smart Thermostat need a C wire?
Its maker says it needs a c wire.
Does the Honeywell Home RTH8580WF 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

Shortlist it 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.

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