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RV Heating Mod: Unused Furnace Duct Redirected to Keep Your Feet Warm

As a result of the open air design on all four sides of an RV, the temperature outside can play a noticeable role in overall comfort. Nothing tends to be as noticeable as a cool evening. RV heating isn’t exactly perfect and even the nicest of days can lead to the heat being on in the evening. That’s why the efficient use of the heating resources you have in your RV is so important. This idea from “Dunner” at the IRV2 Forums took a unused heating vent in a 2004 32′ National Sea Breeze 1311 near the co-pilot seat and redirected it under the RV sofa to keep the area much more comfortable on those cooler evenings. When using the dinette it was always a little colder than expected and this type of mod can remedy that.

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RV Heating Mod Photo Gallery:

 

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The parts used for this RV Heating Mod:

  • Furnace Flex Hose – Use excess if redirecting, you will need to purchase additional if adding on.
  • Vents – Can use soffit vents or any other 2-3” vent design.
  • PVC “T” – Necessary if you want more than 1 vent. In this design 2 were used.
  • Sheet Metal Screws – For fastening the vents.
  • A carefully adapted Tuna Can – Served as the reducer and the big end of the T.
  • Plywood – Used to reinforce the areas around the holes
  • Vacuum Cleaner Hose Adapters – Connect to the T to the vents
  • Latex Caulk – Used to fasten Vacuum Adapters to T.

 

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The most difficult part of this RV heating mod is getting the heat run from the RV basement access up into the living area under the couch. Hopefully you have a simple way of feeding the duct work through. If not this could take a lot more time than we would hope. We do think this is a great RV mod if you happen to have an orphan heat duct that is under used or not needed. If you have any RV heating tips like this installed or have anything to add that may help others please share it in the comments below!

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