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Old 05-04-2016, 07:59 AM   #1
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Lack of heat in bunkhouse

Purchased a 2016 Vibe 322QBH in January at the show in Edison, N.J. First trip out in April (local campground in N.J.) the thermostat for the heater was set a 70 degrees overnight. Master bedroom was very warm (sweating) but the rear bunkhouse was a good 15 degrees cooler. Currently having the unit looked at for a blockage or kink in the duct. Service tech mentioned that it is not uncommon for the rear of the trailer to be cooler since the heater is located at the front of the trailer. (?) Anyone experience similar issues? This is my third trailer, but the first time I've had a situation like this. Thanks in advance.

Mike
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Old 05-04-2016, 09:45 AM   #2
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Purchased a 2016 Vibe 322QBH in January at the show in Edison, N.J. First trip out in April (local campground in N.J.) the thermostat for the heater was set a 70 degrees overnight. Master bedroom was very warm (sweating) but the rear bunkhouse was a good 15 degrees cooler. Currently having the unit looked at for a blockage or kink in the duct. Service tech mentioned that it is not uncommon for the rear of the trailer to be cooler since the heater is located at the front of the trailer. (?) Anyone experience similar issues? This is my third trailer, but the first time I've had a situation like this. Thanks in advance.

Mike

I like to keep a small space heater in bunkhouse to help keep it warm. We have same issue. Warm up front and warm/chilly (not freezing) in back.
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Old 05-05-2016, 05:05 PM   #3
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Lack of heat in bunkhouse

Not happy. Service department at Camping World says heating duct is not blocked or kinked. Apparently a manufacturing issue. That sucks when you purchase a trailer listed at $41000.00 to accommodate at 1 year old! Guess I gotta buy a space heater for the cool nights. Gotta find a safe one so she doesnt burn herself. Hey FR how about reimbursing me for it. Hopefully the air conditioning with the unit centered on the roof doesn't cause the same problem. I'll really be pissed. Hope this helps others.
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Old 05-05-2016, 06:54 PM   #4
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I like to keep a small space heater in bunkhouse to help keep it warm. We have same issue. Warm up front and warm/chilly (not freezing) in back.


Same here couldn't keep the kids warm so I have a safe space heater there and turn the main thermostat down.
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Old 05-06-2016, 01:11 PM   #5
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Originally Posted by msimonelli View Post
Purchased a 2016 Vibe 322QBH in January at the show in Edison, N.J. First trip out in April (local campground in N.J.) the thermostat for the heater was set a 70 degrees overnight. Master bedroom was very warm (sweating) but the rear bunkhouse was a good 15 degrees cooler. Currently having the unit looked at for a blockage or kink in the duct. Service tech mentioned that it is not uncommon for the rear of the trailer to be cooler since the heater is located at the front of the trailer. (?) Anyone experience similar issues? This is my third trailer, but the first time I've had a situation like this. Thanks in advance.

Mike
When a forced-air heating system provides over-all sufficient heat but does not keep all spaces at desired temperature, the problem is generally unbalanced distribution of the forced air - the overheated space gets too much and the thermostat satisfies before the underheated space warm sufficiently. Your home has registers and/or dampers that allow the HVAC contractor to adjust the air flow room-by-room to overcome this problem. RVs generally do not, and no attempt is made by manufacturer's to balance airflow.

The position of the actual furnace is of no concern and your service tech is obviously HVAC system design illiterate.

Next time you use the system try blocking off some of the master bedroom's supply air grill. Just tape a piece of paper or thin plastic (think side of milk jug) over part of the supply grill. Through a little trial-and-error, you should reach a happy point where both the master bedroom and the bunkhouse heat up equally. Once you've found the happy point, unscrew the grill, move the block to the underside, and replace the grill.

Side point - blocking grills reduces the air flowing not only through THAT grill, but reduces the total air flowing through the furnace (the duct pressure increases and the volume of air flowing in the total system decreases). If you block too much, the furnace can start "cycling" on its high temperature limit.

Another thing to keep in mind, for even temperature control, every supply-air grill must have a clear, unobstructed path for air to flow from the supply grill to the return grill.

A hint to RV manufacturers - use supply air registers vice supply air grills, and if your design people do not know the difference get them trained.


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Old 05-06-2016, 04:15 PM   #6
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Seen on another thread - use a marine bulge blower, runs on 12 volts and 3 or 4 inches diameter. All you have to do is find a place to install inline.
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Old 05-06-2016, 04:17 PM   #7
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Duct heat blockage??

We had a similar problem years ago. The dealer likes to tell you that there's no blockage because they do not want to go under the bed of the camper and check it out. I am not trying to be cynical, but l would doubt if Camping World even checked out the duct blockage????? Just my thought!
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Old 05-07-2016, 12:16 PM   #8
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I'm seeing a lot of issues with the blocked/kinked duct work for the heater. How difficult is it to look at the duct work covered by the underbelly material. How do I remove and replace the underbelly?
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Old 05-07-2016, 03:14 PM   #9
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There are screws holding the underbelly up. I just took them out and look under with a flashlight however; it is difficult and will take some time. I now have a 2015 Rockwood Signature Ultra Lite with a bunk house. My heating system works fine in the back. I'm not saying that you have a kink in the hose or anything but you could. My heating unit is towards the middle of the camper however. I have found that most dealers do not want to fool with something like this and will tell you anything to keep you happy.
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Old 05-08-2016, 10:24 PM   #10
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No heat in bunkhouse

I've got a 42' 5th, with a rear bunkhouse and had the same problem. Front heater and 4 outlets; one in front bedroom, one in bathroom, one in combo dining/living room, and one in the bunkhouse. I simply went to Lowe's and purchased some adjustable registers that fit perfectly. When it's fairly cold out, I close the front three and it forces the bulk of the air to the rear, but there is enough leakage at the others that the whole trailer warms pretty evenly. There is a door to the bunkhouse room which we must keep open, otherwise it would get too warm in the back. We've not really had any problem since I changed out the registers. We have a three year old in the back and he stays toasty warm. We have an electric heater in the combo room, but if you leave it on it would activate the thermostat and leave the bunkhouse cool. We can turn the electric heater on in the morning once we are up and about. Hope that helps.
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