New RV Furnace Installation Remarkably, the furnace in my 1967 Airstream travel trailer checked out fine during the 2004 refurbishment, and has been used for the last 16 years without any significant repairs. WE SERVICE ALL MAKES AND MODELS OF RV'S, CAMPERS, FIFTH WHEELS, AND ALL STYLES OF TRAILERS. Replacement parts Mold issues Replacement roofing Winterizing New season set-up Water heater LP and electric Furnaces Refrigerators Electrical (12 volt and 120 volt) Batteries Converters/chargers Awnings Plumbing leaks Toilets Battery inspections Landing ... HQRP RV Furnace Vent Cover w/ Installation Tool; Sturdy and durable stainless steel mesh cover, Protects the furnace from flying insect, birds, mice etc. The screen is designed to fit most Duo-therm and Suburban furnace vents, allowing minimal airflow restriction for RVs furnace vent. Easy to install, the package includes 2 pack RV furnace vent cover 2.8 inch in diameter, 2 pieces of spring ... Direct Discharge RV Furnace Photo Credit: RVPartsNation.com. Ducted Furnace - This type furnace blows air through ducts either in the ceiling or floor of the RV. The heat is more evenly dispersed and one of the benefits of this type is you also have the ability to open and close the vents in different rooms.