Is Your RV Furnace Ready for Winter Weather? Here's What to Check
Updated: Sep 30
As the temperatures start to drop in Northern California, one of the most important things RV owners can do is make sure their furnace is in good working order before they really need it. A furnace that fails on a cold night is more than an inconvenience — it can be a safety issue, especially at higher elevations where temperatures can drop quickly.
At Butler Mobile RV Repair we see furnace problems every fall that could have been easily caught and fixed with a simple pre-season check. Here's what to look for:
Test It Now — Don't Wait for the First Cold Night The most basic step is also the most important — turn your furnace on now while the weather is still mild. Let it run for 15-20 minutes and make sure it's heating properly. If it's slow to ignite, making unusual sounds or not reaching temperature, that's your signal to get it checked before you need it.
Check Your Propane Supply A furnace that runs out of fuel is obviously not going to keep you warm! Check your propane level heading into the season and make sure your connections are secure and free of leaks.
Inspect Your Vents RV furnace exhaust vents are located on the outside of the RV and can become blocked by debris, dirt or even small animal nests during warmer months when the furnace isn't being used. A blocked vent is both a performance issue and a safety hazard — always check that vents are completely clear before running the furnace.
Listen for Warning Signs When you run your furnace pay attention to how it sounds. Clicking without igniting, rattling, or cycling on and off too frequently are all signs that something needs attention. These issues are usually simple fixes when caught early but can become bigger problems if ignored.
Check Your Thermostat Make sure your thermostat is responding correctly — set it higher than the current temperature in the RV and confirm the furnace kicks on within a reasonable amount of time. If the thermostat isn't communicating properly with the furnace it may be a simple wiring or battery issue.
💡 Pro Tip from Tim: It's always a good idea to check all your appliances a few weeks before a planned trip and well before each season starts — catching a small issue early is always easier and less expensive than dealing with a cold night on the road!
When to Call a Professional If your furnace fails to ignite consistently, produces unusual smells, or you're just not comfortable troubleshooting it yourself — that's when to call in a professional. RV furnace issues often involve propane, electrical and mechanical components working together, and it's always better to be safe than sorry.
Butler Mobile RV Repair serves RV owners throughout Nevada, Placer, Yuba and El Dorado County, California. Tim has over 30 years of hands-on RV repair experience and will come directly to your driveway or campsite — no towing required!
📞 Contact us today to schedule your RV furnace winter check throughout Nevada, Placer, Yuba and El Dorado County!
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