Our motorhome was produced in 2017, during a time when Tiffin was slowly updating the technology. So it has a mixture of analog switches for some things (like cockpit shades), smart network-based controls using the Spyder multiplex wiring system, and non-integrated controls like the power management and heating/cooling.

Our coach has three rooftop AC units, plus AquaHot hydronic heating. More modern coaches integrate these into the Spyder touch panels, but in this vintage they are independently controlled via three thermostats like this one in the bedroom:

(Note that that Spyder touch panel at the bottom isn’t original; I upgraded it from a much inferior panel that came with the coach.)

While these thermostats were fine, they weren’t as convenient as they could be. (Shock, having to get off our butts to adjust them!)

I’ve been wanting to upgrade them, like I did with the Spyder panel, and I recently got around to that. I purchased one Micro-Air EasyTouchRV thermostat panel, the model compatible with our ACs (352C):

Here’s the old thermostat:

I pulled off the cover to unmount it via the two screws:

Pulling it away from the wall, I reached the three connectors for the wires:

The new panel comes with mount points that are screwed into the wall:

Hooking up the new unit was simply a matter of unplugging the old one and plugging in the new one (being careful to not let the wires drop inside the wall; there wasn’t a lot of slack).

Here’s the new unit mounted:

Much nicer:

Not only does it have a nicer display, it can be controlled remotely via Wi-Fi or Bluetooth via an app:

When using both cool and heat, one can set it to Away mode to have upper and lower limits, to keep the temperature within that range:

The upper and lower limits on the display:

I was satisfied with that experience, so I ordered two more units for the other thermostats:

The front and middle AC units are controlled by thermostats in a cupboard above the passenger chair (they have remote room sensors towards the front and middle on the ceiling, so being enclosed in a cupboard doesn’t affect their performance):

A closer look at the old front and middle thermostats:

With the covers removed:

Like with the bedroom one, easy enough to swap the plugs:

The new unit:

Here’s a look at the mount points for the new unit; they come with a spacer that is broken off once screwed into place:

The mount points before breaking the connector:

The wood is thick enough to hold the screw, but I still used the cap on the other side, to avoid wires rubbing on the protruding screw:

The new units installed:

So much nicer! Highly recommended.