Living with the Suburban Furnace SF 35

If your suburban furnace sf 35 is acting up just as the temperature starts to dip, you're definitely not the only one dealing with a chilly RV. It's funny how we don't really think about our heating systems until we're shivering in a sleeping bag at three in the morning, wondering why the vents are blowing cold air. The SF-35 is a bit of a legend in the RV world, mostly because it's tucked away in so many different makes and models of trailers and motorhomes. It's a 35,000 BTU powerhouse that, when it's running right, can turn a drafty camper into a cozy cabin in no time. ...

May 16, 2026 · 7 min · Iya Fisco