How To Add a Heater Vent to Your RV

Recreational vehicles or RVs are made as an alternative mobile home. That is why it has all the amenities that are usually found at home like bedroom, dining, kitchen, bathroom, and comfort room. Since RVs are made for living, they have to be cool or warm enough for people to survive.

However, there are some RVs with an insufficient heater vent. At this point, you can’t return your RV and replace it with a complete heater vent. You’ll have to install an additional heater vent. Doing so is not impossible, even if you are inexperienced. Follow the steps below to guide you through this project:

  • Look for unused outlet. Heater vents inside the RVs are controlled and connected to the furnace air distribution box. This box has duct collars, to which metalized hoses are attached. These hoses connect the heater vents to the distribution box. Each vent gets warm air to spread all over the RV section through these hoses.
You need to see if the furnace air distribution box still has an outlet for a duct collar. To check this, you need to remove the furnace grill. You can see the distribution box and see if there is any unused outlet. Some unused outlets are covered with metal plates.
  • Prepare the outlet. Remove the plate covering of the outlet, if there is one. This should be easily removed with a flat-head screwdriver. Once the outlet is ready, you can insert the duct collar. Twist the collar into the outlet. Secure it with a metal screw. Some distribution boxes have spots for a screwdriver. It’s okay if your box does not have this. The collar can survive on its own.
  • Plan the route. A metalized hose that will be connected from the distribution box to the heater vent can now be installed. But first, plan how you will route that hose. If there are some cabinets, you can run the hose over them. If there is none, then you have to be more creative on routing the hose. Using tapes or hooks will help in keeping the hose in place.
  • Attach the metalized hose to the collar. A clamp can be used to attach the hose to the duct collar. The hose should be well-attached to the duct collar for it to get enough warm air and for more secured attachment. After that, start routing the hose to your planned direction until it gets into the new heat register.
  • Prepare the hole. Use a hole saw to cut a hole for the metalized hose. Make sure there is nothing behind before you cut for a hole. Insert the hose carefully to the freshly made hole.
  • Install the termination adapter. The termination adapter for duct hose should be attached to the new register. Use some nuts or screws for this. Drill for holes, if needed. Use glue to attach the adapter as an alternative.
  • Attach the metalized hose to the adapter. A clamp will help in attaching the hose to the adapter. The heater vent is now ready for its finishing touch. Secure it using screws or nuts.

Finally, you now have another heater vent for your RV. If your distribution box allows it, you can still add more heater vent. There’s no stopping you now that you know how to add a heater vent to your RV. 


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