Roof A/C Return Air Filters

[grtharris]

For those of you including us with the ducted roof A/C system. Don't forget to check and clean the return air filters behind the return air vents in the ceiling.

[Finhawk]

What are you talking about? Those foam filters that attach to the vent?

[dengraham]

Yes Bruce,


You should clean them every six months. I think there are nine of them. Here is a photo of the before and after:








>> Dennis

[BigSkyBob]

This is news to me. I didn't know the "return" air had filters unless you're speaking of the foam pads, of which there are two, one in each A/C unit.

[the_vfox]

My old Kountry Star had 6 of then in the returns. They were a pain. It was a 93 and I have had to fix the duct connectors.
We traded for the Horizon, which has only one return, its under the bed and uses basically a normal house AC filter you just replace when it needs it.

[Skip426]

Originally Posted by BigSkyBob

This is news to me. I didn't know the "return" air had filters unless you're speaking of the foam pads, of which there are two, one in each A/C unit.

Some coaches ; with ducted return air for the A/C system , have 6 >9 returns in the ceiling each with it's own foam filter.

[DancinCampers]

I check mine with a flashlight periodically and clean them in the sink. I was told also to insure the return air vents point towards the closest outside wall.

I don't think there are any filters on the roof unit itself, but it is on my list now to ask next month at my factory service appointment.

I saw some newer coaches at the Southwest Regional Rally in April that only had ducted outflow outlets. The return air vent was under the roof air unit.