No hookups? No problem. This off-grid furnace runs on propane and 12V DC, so you stay warm without draining your batteries. It starts smooth, keeps running in the cold, and gives you reliable heat even when you're miles from the nearest outlet.
If you've ever wondered what makes a furnace more efficient, or why some heaters just sound like they're working harder than others, the difference is usually inside the heat exchanger. Many RV furnaces use a basic box-style design that creates uneven heat and noisy air movement. This model upgrades to a tubular heat exchanger with an internal baffle system that improves airflow, boosts efficiency, and helps your rig heat faster without the racket. It's sized for RVs up to 35 feet, and the system is engineered to reduce turbulence for more even, comfortable heating throughout your space.
Bigger isn't always better. Getting a furnace that's larger than you need can actually burn more propane than necessary and cause inefficient cycling. A good rule of thumb is about 1,000 Btus per foot of RV length. That means a 20,000 Btu furnace is right for a 20' trailer, and a 35,000 Btu furnace like this one is a smart fit for mid- to large-sized RVs that need consistent, full-season heating.
When you're camping without hookups, every amp counts. This propane-powered furnace runs on 12V DC and includes built-in Soft Start technology that reduces in-rush current by up to 80%. That means quieter startups, less strain on your batteries, and a more stable ignition, even in cold or remote conditions. A patent-pending Hall Effect sensor replaces traditional moving parts for more reliable operation and fewer failures when temperatures drop. From replacing an aging system to uprading for full-season travel, this furnace is built to keep you comfortable wherever you go.
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etrailer was extremely helpful in navigating the myriad of choices available and determining the correct unit to purchase. We provided the BTU output and dimensions with the ductwork configuration that allowed the salesman to accurately sell the unit that (1) fit in the space provided without modifications (2) matched the BTU output (3) provided auto ignition and worked from the existing thermostat and (4) required minimum modifications for the ductwork.
The old furnace suffered from a cracked heat exchanger which set off the carbon monoxide alarm inside the camper. Carbon monoxide is deadly and could cause a fatality. We took the furnace apart and sent the heat exchanger to a welding shop for repair. The crack was repaired, but other holes were found during pressure testing. The heat exchanger was a
discontinued item for manufacturing and therefore lead to the decision to replace.
The unit cabinet required modification to accommodate a horizontal installation with a floor duct inlet that was different than the configuration provided by the factory. A new duct outlet was cut using a template from the old furnace and using sheet metal shears. The gas line required a slight modification to reroute from a side entrance to the top. The plastic connector and wiring harness were removed from the old furnace and installed on the new furnace with heat shrink connectors. The modifications took a couple of hours to complete, however the unit is installed and working as expected.
The furnace after installation is performing very well. The unit operates from the original thermostat. We have stayed in the camper for a week with temperatures dipping down to 25 degrees Fahrenheit with extremely good comfort. etrailer is highly recommended for anyone shopping for a new RV furnace.
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