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10-29-2020, 10:04 PM
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#1
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Senior Member
Join Date: Feb 2016
Location: Lafayette, LA
Posts: 285
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Fighting condensation with the Heat Pump
Will the 15,000 BTU Heat Pump help reduce condensation within the RV....???
In our case, it's a 29MV..
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Wilson Boudreaux
From Cajun Country
Jayco 2016 Grey Hawk 29MV Champagne
Toad - '16 Subaru Forester (Pearl White - manual transmission)
Blue Ox (everything) for the TOAD
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10-30-2020, 05:46 AM
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#2
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Senior Member
Join Date: Nov 2011
Location: Where ever the boss says we're going.
Posts: 16,106
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Any dry heat source will help, but I would use a space heater along with it.
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 DISNEY LOVERS
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10-30-2020, 06:25 AM
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#3
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Senior Member
Join Date: Dec 2015
Location: Pennsylvania
Posts: 1,880
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I use a space heater in my trailer and the windows, and doors still get wet!
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2012 Ford Expedition EL
2016 28BHBE, Elite and Thermal Packages.
Equal-i-zer 4-point Sway Control, Southwire 34930 Surge Guard 30A, Tire Minder TPMS A1A
(2) Yamaha EF2000iS Generators, Micro-Air EasyStart™ 364 (3-ton) Soft Start, Garmin RV 890, GoodYear Endurance ST225/75-15 Load Range E
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10-30-2020, 06:30 AM
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#4
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Senior Member
Join Date: Nov 2011
Location: Where ever the boss says we're going.
Posts: 16,106
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Quote:
Originally Posted by RAurand
I use a space heater in my trailer and the windows, and doors still get wet!
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Doesn't eliminate it just reduces it.
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DISNEY LOVERS
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10-30-2020, 07:45 AM
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#5
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Senior Member
Join Date: Aug 2013
Location: Bellingham,Wa.
Posts: 6,680
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An easy way to eliminate almost all the humidity is to use a dehumidifier.
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2010 Jayco Hybrid EXP21M
2013 Toureg TDI
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10-30-2020, 09:48 AM
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#6
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Senior Member
Join Date: Apr 2020
Location: Port Charlotte FL/Hinsdale MA.
Posts: 1,070
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30 PT dehumitier from
WM. About $130.00
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Retired Master Electrician and Building Inspector.
2011 Keystone Sprinter 323 BH
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10-30-2020, 10:35 AM
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#7
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Senior Member
Join Date: May 2012
Location: Minnesota
Posts: 9,780
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The heat pump is not designed to remove the humidity.
Lots of things can help reduce condensation. Humidity in the air will seek out the locations in the camper that have a lower dew point, aka, windows, tent ends, metal framing, cold spaces such as in cabinets, etc.
Top three things that produce humidity in the camper is cooking, bathing and breathing.
We watch how we cook, and bath. If possible we cook outside, and eat outside (that is part of camping for us). Not much you can do about breathing.
Our mitigation process; I keep my vent cracked open at least 1/2" year round. I never close it (have a vent cover). I have an HTT, but I crack open the side windows in the tent ends (not applicable for you). But you still have windows you can crack open. Doing this eliminates almost all moisture, as the moisture can escape to the outdoors.
In colder weather we tend to camp with electricity. When we do, our primary heat source is electric (your heat pump would provide dry heat and air movement)
Some people use dehumidifiers, or products like DampRid.
Trial and error is what it takes.
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10-30-2020, 10:43 AM
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#8
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Senior Member
Join Date: Nov 2011
Location: Where ever the boss says we're going.
Posts: 16,106
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Quote:
Originally Posted by Jagiven
The heat pump is not designed to remove the humidity.
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Right from the web:
As with an air conditioning system, a heat pump also offers the ability to remove excess moisture and reduce indoor humidity levels.
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10-30-2020, 11:23 AM
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#9
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Senior Member
Join Date: Oct 2019
Location: Phoenix
Posts: 3,914
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Heat Pumps are used in large numbers here because of our moderate night time winter temps. The Heat Pump is our air conditioner in reverse. Air conditioners reduce humidity. When we get a monsoon (not this year) water pours out of the catch pans overflow tubes from the air handlers. That is the humidity that is removed from the air being processed in the A/C.
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2018 Greyhawk 29MVP-Sold
2023 Jeep Gladiator Mojave
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11-01-2020, 10:50 AM
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#10
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Senior Member
Join Date: Apr 2016
Location: Kingman AZ and where our Seneca is today.
Posts: 3,120
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Quote:
Originally Posted by Grumpy
Right from the web:
As with an air conditioning system, a heat pump also offers the ability to remove excess moisture and reduce indoor humidity levels.
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Only when it is cooling... When the Heat pump is in heat mode, it does nothing for interior humidity.
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Steve & Stacy with Jasper (Australian Cattle dog)
2015 Seneca 36FK
Custom 27' flatbed trailer hauling:
07 Toyota FJC & Yamaha Kodiak 400 ATV
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11-01-2020, 11:00 AM
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#11
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Senior Member
Join Date: Oct 2019
Location: Phoenix
Posts: 3,914
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Quote:
Originally Posted by SloPoke
Only when it is cooling... When the Heat pump is in heat mode, it does nothing for interior humidity.
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Right from the Web. Do we believe everything on the "WEB'? That is rhetorical.
Actually after checking you are correct that mechanically it does not but the movement of warm air does (right from the Web 
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2018 Greyhawk 29MVP-Sold
2023 Jeep Gladiator Mojave
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11-01-2020, 11:23 AM
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#12
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Senior Member
Join Date: Nov 2011
Location: Where ever the boss says we're going.
Posts: 16,106
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Quote:
Originally Posted by CAG
Actually after checking you are correct that mechanically it does not but the movement of warm air does (right from the Web |
That's exactly what I said in my first post too! Then others said it didn't hence the web comment.
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11-01-2020, 11:45 AM
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#13
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Senior Member
Join Date: Oct 2019
Location: Phoenix
Posts: 3,914
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Quote:
Originally Posted by Grumpy
That's exactly what I said in my first post too! Then others said it didn't hence the web comment.
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Goodness! Then I corrected my mistake so why beat up on me? My Web comment was "in jest" since we all seem to depend upon something that is pretty unreliable.
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2018 Greyhawk 29MVP-Sold
2023 Jeep Gladiator Mojave
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11-01-2020, 01:25 PM
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#14
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Senior Member
Join Date: Nov 2011
Location: Where ever the boss says we're going.
Posts: 16,106
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Quote:
Originally Posted by CAG
Goodness! Then I corrected my mistake so why beat up on me? My Web comment was "in jest" since we all seem to depend upon something that is pretty unreliable.
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Didn't mean it that way. Apology.. if it upset you....
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DISNEY LOVERS
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11-01-2020, 09:36 PM
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#15
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Senior Member
Join Date: Apr 2016
Location: Kingman AZ and where our Seneca is today.
Posts: 3,120
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All good...
To remove moisture from the air, a dehumidifier has to lower the temperature of the air to it's dewpoint so that it will condense... that is dependent on the Relative humidity of the air and the temperature. After the air passes thru the evaporator coil - the air is directed thru the condenser coil and warms the air back up.
__________________
Steve & Stacy with Jasper (Australian Cattle dog)
2015 Seneca 36FK
Custom 27' flatbed trailer hauling:
07 Toyota FJC & Yamaha Kodiak 400 ATV
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11-02-2020, 06:55 AM
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#16
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Senior Member
Join Date: Dec 2016
Location: Austin, Texas
Posts: 512
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Quote:
Originally Posted by CAG
Goodness! Then I corrected my mistake so why beat up on me? My Web comment was "in jest" since we all seem to depend upon something that is pretty unreliable.
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Hello!! His moniker is "GRUMPY".
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2021 Coachmen Freelander 29KB
2019 Jeep Wrangler Sahara
NSA Ready Brute Elite II tow bar
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11-04-2020, 05:14 PM
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#17
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Senior Member
Join Date: Oct 2018
Location: Out there somewhere
Posts: 1,620
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We only run the furnace in very cold temps at short periods. And then use our space heater to keep it warm. Hate that LP furnace!
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