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06-18-2015, 08:03 AM
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#1
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Senior Member
Join Date: May 2013
Posts: 1,123
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Hot in the RV
I am looking for suggestions to lower the temps in my RV while parked. I live in AZ. It was 115 outside and 145 inside the RV. The heat can't be good for the furniture. I am thinking 12 volt fans. Attic fans. solar fans. has anyone had any luck?
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1992 Bounder 28T, Chevy 454, Yak Rak
2001 tacoma 4x4 TOAD
ROLL TIDE
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06-18-2015, 08:12 AM
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#2
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Senior Member
Join Date: Feb 2012
Posts: 1,138
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mbridinger: I use a solar charging system to keep my RV powered during the day and battery power for night power. I keep a ceiling vent open and fan on....ALL the time in the hot months. I also have certain windows open with screen pulled. This keeps air flow in the RV.
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Craig Gosselin
1994 Fleetwood 33H
1995 Fleetwood 30H (parts vehicle)
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06-18-2015, 08:13 AM
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#3
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Senior Member
Newmar Owners Club Solo Rvers Club
Join Date: May 2013
Location: Mountain West
Posts: 1,178
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Quote:
Originally Posted by mbridinger
I am looking for suggestions to lower the temps in my RV while parked.
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I hate to state the obvious but...
Heat rises - open the roof vents (if you have them). Get as much circulation going as possible. Obviously; without air conditioning, 115 degree outside temp is going to result in at least 115 degree inside temp if circulating outside air.
Shade - as much as possible. Doesn't matter where it's from - trees, awning, etc...
A windshield sun cover ( like this) can make a huge difference if facing the sun. Similar covers on whatever windows are facing the sun is also very, very helpful.
I just re-read your question and suspect "while parked" means "while in storage" (not living in it)?? If that's the case, it is a bit more difficult as keeping windows open and awning out are probably not possible. I suppose covered storage is the only good option?? I dunno...
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JD - Full timer out west
Missy - 1998 MCI 102-EL3
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06-18-2015, 11:30 AM
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#4
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Senior Member
Join Date: May 2013
Posts: 1,123
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Quote:
Originally Posted by Gocoffeer
mbridinger: I use a solar charging system to keep my RV powered during the day and battery power for night power. I keep a ceiling vent open and fan on....ALL the time in the hot months. I also have certain windows open with screen pulled. This keeps air flow in the RV.
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What kind of fan do you have/ how much cfm? My vents are open. A couple of windows as well. windshield covered. solar as well.
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1992 Bounder 28T, Chevy 454, Yak Rak
2001 tacoma 4x4 TOAD
ROLL TIDE
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06-18-2015, 02:22 PM
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#5
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Senior Member
Gulf Streamers Club
Join Date: Oct 2012
Location: Pacific Coast, Washington State
Posts: 469
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You aren't going to be able to lower the temperature any further than the "in the shade" temperature, no matter what you do. I.e., if its 115 in the sun and 90 in the shade where you park your rig, 90 degrees is the best you'll do.
To keep it from being hotter than that, cover the windshield and all the windows with Reflectix and put in a 12v powered vent like the Fantastic Vent 3350
This model will open the vent and start the exhaust fan when the interior reaches your preferred temperature, and will automatically close the vent when it rains or the temperature goes back down.
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06-18-2015, 07:21 PM
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#6
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Senior Member
Join Date: May 2013
Posts: 1,123
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This aint Texas! It is 115 in the shade and 130 in the sun. I am trying to keep temps below 160 or higher. It will melt your dreams! thanks for the idea of the fantastic fan. Do i need to be concerned with it draining my batteries? I guess I could plug in the Rv but I only have access to 20 amps.
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1992 Bounder 28T, Chevy 454, Yak Rak
2001 tacoma 4x4 TOAD
ROLL TIDE
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06-18-2015, 07:53 PM
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#7
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Senior Member
Join Date: Feb 2011
Location: Snowbird - Waterford Mi and Citrus Springs Fl.
Posts: 3,609
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We have a pair of MaxAir window vents on ours. These allow a side window to remain open about 6" or so, and remain reasonably weather proof. This allow the roof vents to pull air from wherever you have one of these located, increasing circulation big time. You can feel the draft coming in without the fan running....
Would like to get another (3rd), but having trouble sourcing it as they appear to be discontinued?
Airxcel | Maxxair | Window/Maxx
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1997 37' HR Endeavor, 275hp Cat, Freightliner
03 CR-V Blue Ox, Ready Brake
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06-18-2015, 07:58 PM
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#8
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Community Moderator
Newmar Owners Club
Join Date: Feb 2011
Location: Point Pleasant Beach, NJ
Posts: 31,546
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Quote:
Originally Posted by mbridinger
This aint Texas! It is 115 in the shade and 130 in the sun. I am trying to keep temps below 160 or higher. It will melt your dreams! thanks for the idea of the fantastic fan. Do i need to be concerned with it draining my batteries? I guess I could plug in the Rv but I only have access to 20 amps.
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The Fantastic fan is the way to go. You said you have access to 20 amp. That is more then enough for the minimal draw of the fan.
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Tony & Ruth........... FMCA#F416727
2016 London Aire 4519, Freightliner chassis, Cummins ISX, 2018 Jeep Wrangler Unlimited, Blue Ox Avail with AF1. TST 507 TPMS
No amount of money can buy you an extra second of time.
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06-18-2015, 08:21 PM
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#9
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Senior Member
Tiffin Owners Club Workhorse Chassis Owner
Join Date: Oct 2009
Location: Warner Robins, GA
Posts: 2,613
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Before I had a 50 AMP circuit installed at our house for the coach I used to plug into a 20 AMP circuit and run 1 roof air conditioner to keep our coach cool.
Jon
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Jon & Sue Francis (Retired U.S.A.F.)
Lil Girl-Rescued, Abby Rescued, Peaches Rescued
06 Allegro 35TSA Workhorse Chassis
2013 Chevy Spark Dinghy
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06-18-2015, 09:20 PM
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#10
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Senior Member
Monaco Owners Club Vintage RV Owners Club
Join Date: Sep 2014
Location: anywhere U.S.A, Currently back home in Thailand!
Posts: 4,245
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The fantastic fan draws 2 amps per hour, so very minimal, if you have 20 amp plug, then plug it in, let the fan run, on low, pulling the hot air out. Open a window on the shade side of your MH. You could let the fan run on battery's for a week or so before you would have to charge the battery's, but if you have the elect., why not use it to keep the batterys charged ? JMHO, Rail!
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Retired, and "Always on Holiday!"
1996 Monaco Windsor 38PB, "Mona" 275 HP., 8.3 Cummins, 3060 Allison 6 speed, 2001 PT Cruiser, "Bailey"
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06-19-2015, 06:25 AM
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#11
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Senior Member
Join Date: May 2013
Posts: 1,123
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As long as I am going to plug in to my house why not plug in a $20 box fan? I can point it out a window. I know it is low tech and cheap, that describes me well. I am not ready to spend $200 on a tiny little fan. I can go a long way on $200 worth of gas. Thanks for the ideas.
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1992 Bounder 28T, Chevy 454, Yak Rak
2001 tacoma 4x4 TOAD
ROLL TIDE
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06-19-2015, 07:10 AM
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#12
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Senior Member
Join Date: Mar 2009
Location: N. Central AZ
Posts: 548
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I live about 30 miles north of Prescott. At home I point the north and no shade most of the day. I keep my windshield screen on most of the time and that helped.
Last year I made screens for all windows with the 90% screen material, same as the windshield. Before I just went in to do what I had to do and got out. After all screens installed, the temps dropped down to the low 90's inside, maybe lower, no fans and windows closed (wind and dust). I could stay as long as needed. We are running 100*F this here this week and planning a trip in a week or so and I don't have them installed right now, but may put them on, even for the short time.
YMMV, I know Scottsdale is hotter!
H
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'01 National RV Tropi-Cal, Ford V10, '01 Suzuki GV 4X4 Blue Ox Tow Bar,300 Watts Solar, 2500 Watt '458' Inverter, NO TVs, Most light fixtures upgraded to LEDs
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06-19-2015, 08:48 AM
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#13
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Senior Member
National RV Owners Club Ford Super Duty Owner
Join Date: Dec 2013
Posts: 510
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I live by Luke AFB, in the Valley, I keep my coach plugged in to a 20amp plug, run the fantastic fan in the front and open a window in the rear so that it draws air through most of the coach. It help but we are in AZ and it gets hot, I went into my coach yesterday and it was 110 degrees.
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2008 National SurfSide 34E (Bunk Model) Ford V10
Sold- 1990 Hawkins Chevy P30 454
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06-19-2015, 09:15 AM
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#14
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Senior Member
Winnebago Owners Club
Join Date: Mar 2014
Posts: 14,891
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A cover would be ideal. If you cannot build a cover, can you get a tarp over the roof?
I would suggest that if you can build a light framework to place on the roof and then place a tarp over it, tieing the tarp to the ground. It will keep the inside very close to the outside temperatures.
If there is enough room you can open the vents.
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Gordon and Janet
Tour 42QD/InTech Stacker
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