Customer Reviews For The Honeywell RTH3100C1002/A Digital Heat/Cool Pump Thermostat

10 Reviews

4.9 Overall rating

Jonathan Tobey
October 7, 2019
Verified Purchase
Simple to use

This thermostat is one of our best sellers in our heat and air business. Customers love the simple, easy to use controls, and easy-to-read screen. It's especially popular with our elderly customers.

Shana Pratt
July 28, 2019
Verified Purchase

Exactly what I ordered thank you

Charles Zerbe
July 9, 2019
Verified Purchase
Great thermostat

Great thermostat easy to follow instructions well made highly recommend or buy again

Donald McBurney
August 3, 2018
Verified Purchase
Thermostat for Heat Pump

I wanted a thermostat that was a little more modern than my 25-yr-old mercury bulbs which still worked great so bought a Honeywell at Home Depot only to find out that it would not work with my Heat Pump which has Emergency Heat. So I went off to a variety of websites and found the description of the Honeywell RTH3100C1002/A seeming to be exactly what I needed. After checking some prices elsewhere, Honeywell came up with the best. Shipped quickly and the installation was almost a breeze. Turns out I had a T wire in the old thermostat which I didn't know where to connect. A quick call to Honeywell got a very astute technician who said I didn't need the T wire in the new thermostat. Tape it off and let it hang in the wind. Connected all the others per instructions and the new thermostat looks and works great. Total removal of old and installation of new took about an hour total including the technician call and working with small wires and screws when my hands are made for much bigger things.

scott weldon
July 24, 2017
Verified Purchase

works great. Easy to install.

James Wilson
April 6, 2016
Verified Purchase


William Roop
May 28, 2015
Verified Purchase

Currently have two heat pumps at my home, one of which has the Honeywell thermostat. I like the Honeywell thermostat as it's much easier to read, see and set. This is why I purchased this second thermostat to replace the existing thermostat.

dave Marshall
February 5, 2014
Verified Purchase
Installed and worked perfectly

It installed and worked perfectly

Lawrence Donohoe
January 21, 2014
Verified Purchase
Works fine, once connected right.

Device works as advertised. I replaced 2 Trane Weathertron mercury bubble thermostats. The wiring was a problem. Two calls to customer support got two different answers - both wrong! I had to replace fuses on the air handler until my local HVAC guy told me the correct connections.

Mark Loring
November 30, 2011
Easy to use

Easy to use, works great. Good quality and value

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