Hot Feet

Just as a tip ... when going down the road in hot weather, make sure the cab ventilation knob is set to "MIX" when the air conditioning is running.

In the MIX position cold air does not come out at all directly on you from the chest-high dash vents. The cold air comes out split between the defrost vents and down unto the floor to cool both the driver's and passenger's feet. The air from the defrost vents follows the windshield up and then comes down to gently bathe the entire cab area. This takes about 10 minutes to begin to feel comfortable and you should have the fan speed knob on high settings - 3 or 4. You feel no direct blasts of cold air - only a cool cab area everywhere in it.

We have the same problem. I had the MH generator running the roof A/C for a 3 hour trip, but after awhile I still had to put on the chassis A/C for a spell to alleviate the heat from the doghouse. Ugh.

So, short term solution is to use that foil insulation (like people put in their windows) under out custom fit floor mats.

If you are referring to the Reflectix material that contains the bubble-wrap material inside, then I don't think this is a good idea. The bubble-wrap material is polyethylene which has a melting point of between 85-145F (depending on the specific type of polyethylene). As you can guess, the Reflectix will melt if laid on the floorboards.

You need to use a high-temp rated insulation for this application. Alternately, or additionally, you may wish to consider adding a heat shield under the floorboards.

Search this forum for more information on hot floorboards and fixes for same.

Dont feel bad we got a 2012 and when I looked into the overhead behind all the stereo stuff found NO INSULATION. Company responded with a reply that a minimal amount is applied! It is a huge heat source for the inside of the coach and to fix I need to pull the cabinets out and try to install something? Again the maker was of no help. talked to a guy at an rv shop he agreed that the rolled foil stuff would work and we batted ideas around on how to secure it.

You would think for the prices of these that there would be some quality work involved by the major manufacturers particularly on their more $$ models!

Dynamats is excellent stuff. Price is pretty steep.

Our dog house fits good and tight all the way around. Seals good.

My current situation is .... does not appear that I can lift the carpet without damaging it.

So, short term solution is to use that foil insulation (like people put in their windows) under out custom fit floor mats. Will have to glue carpet protector that has the nubbins to keep it from sliding to the back of the insulation. Then put the floor mats on that. Don't believe this is the best solution, its the only option I have for now. Plan to continue a search for a better long term solution. Seems like with all the people who have this problem that someone have designed a solution for sale...or the Motor Home mfg's would install insulation before they install the carpet. Frustrating.

Also check your doghouse for being fitted right and the gasket being in good shape. Someone before me had mis-installed the doghouse on my old Dodge van class B. They trapped some of the carpet between the doghouse and the edge of the body, resulting in some excess noise and heat in the cab.

Jim, "At the top of the tree, stop climbing."

I have read good things about Dynamats for both heat and noise reduction.

Hi Hank,
Thanks for the response. I was trying to save the carpet. Have some high heat spray adhesive that I was going to use to secure the insulation, then spray that on top of the insulation and re-attach.the carpet.

This is getting to be a bigger project than I expected. Concerned that it may not look very good.

Are you trying to save the carpet or are you going to replace is the question? I have not had the issue, but most adhesives can be softened with a heat gun and pulled apart. If the floor has gotten hot then it will have effected the adhesive and cause it to dry and stick a little more. You may have to cut the carpet out and then replace with some new stuff.