Setting up a thermostat to control furnace and A/C

[derekthered]

I am sure someone must have asked this but I couldn't find it on the forum. I am planning to replace the thermostat on our 2021 21NE and I am wondering if it is possible to control both the AC and the furnace from one thermostat. Has anyone done this? Any helpful threads anyone can refer me to?

Thanks

Derek

[Vermilye]

Iff you have the Dometic AC, it comes with a Dometic thermostat that already controls both the AC & furnace. It is not a standard thermostat in that a "control" box mounted in the AC receives a signal from the thermostat that determines whether the AC or furnace (or if set wrong, both) runs.

If you are unhappy with the Dometic thermostat, there is an expensive replacement, the Micro Air Easy Touch. You need to select the correct model using the "Order Now" button.

Again, a standard household thermostat will not work for the combined Dometic AC & furnace.

There is a Bluetooth or separate thermostat option for the Coleman AC, but I don't believe that it can be combined with the furnace.

[derekthered]

Thanks Jon.

[Bill_75]

We used this one :

https://www.amazon.com/dp/B07XQLXTGB...roduct_details

or :

Dometic 3316250.700

To replace our old AC/furnace digital thermostat that had some LEDs no longer working........the mounting holes do not match old digital thermostat, unfortunately. Only forewarning would be to take a picture of the inner wiring of the old thermostat before removing it. The wires are a 1:1 mapping.