Storing Your RV AC for Winter: Covers, Gaskets and What to Check
Posted by RV AC Guys on 27th Oct 2026
Why your AC needs attention before storage
Your rooftop air conditioner doesn't need to be winterized the way your plumbing does; there's no water in the system to freeze. But months of sitting in rain, snow and wind is hard on the parts that protect it: the shroud, the roof gasket and the fan. A 30-minute check now can save you from a leak in February or a dead AC on the first hot weekend.
Your f
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Fan Motor vs. Compressor: What's Actually Failing in Your RV AC?
Posted by RV AC Guys on 27th Oct 2026
Two parts, two very different repairs
When an RV air conditioner stops cooling, the fan motor and the compressor are two of the usual suspects. The difference matters: a fan motor is a part many owners can replace themselves, while a compressor is part of the sealed refrigerant system and needs a certified technician. Before you assume the worst, here's how to tell them apart.
Safety first: turn o
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RV AC Thermostat Compatibility Guide: Which Thermostat Works with Your Unit?
Posted by RV AC Guys on 27th Oct 2026
The short answer
An RV thermostat has to match your air conditioner's control system, not just its brand. Two Dometic thermostats can look alike and not work with the same unit, and the same goes for Coleman-Mach. Before you order, you need to know three things:
Your AC's model number (rooftop unit and ceiling assembly). See how to find your RV AC model number.
What the thermostat controls: cool
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RV AC Roof Gasket Leaks: Signs, Causes and How to Replace the Seal
Posted by RV AC Guys on 27th Oct 2026
What the roof gasket does
Your rooftop air conditioner sits over a roughly 14 x 14 inch opening in the roof. A thick foam gasket between the unit's base pan and the roof seals that opening, and four mounting bolts from inside the RV pull the unit down to compress it. Over time the foam flattens, dries out or cracks, the seal fails, and rain finds its way in.
Signs your AC gasket is leaking
Water
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