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Old 01-31-2012, 06:36 PM   #1
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Shortage of heat in 2012 bhlt

I ordered my 2012 bhlt with double pane windows extra insulation so I can use it later in the fall and be more comfortable.
This model only has 1 heat duct in the whole living area and it is directly under the thermostat. In the rear bunk-room there is a heat duct to which I have t'd into to try and introduce some heat to the living area but it is not anywhere adequate.
Trailer is in dealer now for some off season warranty work and they say basically that is the way it will be.
Trying to get a price on a second furnace install in the bunk-room {lots of room easy to do] but starting to get the run around on that too.
Starting to look like I will listing this unit. Love the trailer but this is a design flaw and I will not freeze my but off because of an RV!
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Old 01-31-2012, 06:48 PM   #2
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Unless you are boondocking one solution would be to use an electric heater in the living room. If the living area is cold is another part of the trailer unusually warm because it is getting the lions share of the heat? I know our bathroom gets really hot, but it is small and I just open the door and let the heat out.
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Old 01-31-2012, 07:41 PM   #3
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I full-time about 7 months a year and have for many years. I do run the electric heaters etc. This is a design flaw and it is as simple as that.
The front of the trailer gets all the flow. I have even added flow restrictors to the registers to the front one to re-direct more flow to the rear. Did not help. It appears that restricting the flow causes the fire-box to overheat and the furnace runs more than ever but not always lit.
35ft trailer 3 vents in the front 12'ish ft. 1 vent in the very rear bedroom very minimal flow. 1 of the 3 front vents directly under the thermostat.
My last Forest River had a bad Lippert frame but it was WARM.
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Old 01-31-2012, 07:54 PM   #4
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Yes it sounds like the layout of the duct work needed to be more thought out.
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Old 01-31-2012, 09:17 PM   #5
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Our trailer is 33' long, the coach. It has two vents in the living room, one in the bathroom, and one in the bedroom. The heat seems to get distributed fairly well. As mentioned electric heaters work well and are cheaper to operate and quieter.
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Old 02-05-2012, 08:46 PM   #6
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I do run the electric heaters whenever possible and enough power is available.They are a fire hazard and for my kids to be warm I have to risk them getting burnt or trailer burnt down because they left something too close to a heater? My trailer is a bunk model.
I see 2-3 trailers a year that have burnt to the ground because of space heaters. A fellow employee got out with nothing, not even his glasses
when his rv caught fire.
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Old 02-05-2012, 09:25 PM   #7
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I'm not familiar with the layout of your model but is it possible to add an air circulating fan to the run in question?
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Old 02-06-2012, 07:56 AM   #8
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We are looking at getting a wall mounted electric fireplace that throws heat for our bedroom. We would like to lie in bed and view the 'fire' and have the added benefit of some extra heat. On the plus side, you never have to worry about it tipping over or clothing/ blankets falling onto it, etc. We dont have trouble with heat in our unit but I would prefer to have a safe source of electric heat for when we're payin for full service hook ups. They really make some nice looking fireplaces that hang like a flat screen TV, so that might be something worth checking out.
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Old 02-06-2012, 08:08 AM   #9
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... As for the poor thermostat location you could look at getting a directional vent cover to go over your floor register and direct the air flow out into the room and away from the thermostat... those things cost about 5 bucks... if you want to spend several hundred dollars you could replace the thermostat with a remote controlled unit where you can then move the controller/senser to any area within the RV.

http://www.diycontrols.com/p-6810-ve...iliateid=10055
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Old 02-06-2012, 10:14 AM   #10
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Sorry to hear about your issues. Just an idea, what about adding floor registers to the exisiting duct work in the areas lacking. Most of the duct work is just tacked in below the flooring so a simple jig saw cut out and some metal duct tape would add to the flow of air.

While adding to the exhaust you could then shut down your other registers as long as there is equal exhaust being added thus reducing the restriction. You probaly won't have to though and the unit will be more equally heated. My living area has 3 registers and it's not much larger than yours so 2 would be better, 3 ideal with a control on the third to shut it down when not needed.

I also agree with the difuser idea mentioned above on pushing the air away from the thermostat.

Your furnace is pleanty for the unit and the fact that it is overheating when registers are restricted means that adding one or two vents would do it some good.
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