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Old 05-04-2014, 03:08 PM   #1
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Spartan Toy Hauler..... Looking for someone that has one or can help answer some issues on a/c
Doesn't seem to keep living area cool. Bedroom is nice tho. Any tips on what I can do to cool this thing off?

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Old 05-04-2014, 06:28 PM   #2
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Do you have airflow coming from the vents? Is it cool air? I've seen a lot of flex ducts fall off the registers or boots and blow the air in dead space. If the air is there but not cool that would indicate a problem with the ac unit itself. Compressor not starting or low refrig charge....
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Old 05-04-2014, 06:32 PM   #3
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There is cold air blowing thru the vents. Seems like the windows r putting off more heat then ac can keep up with. 100° outside and 78° in trailer. Won't get colder. Think I gotta do something to windows.

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Old 05-04-2014, 06:35 PM   #4
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Yeah sounds like capacity issue on the ac. One ac or two? How big is the rig? Most people opt for two acs if avail on the bigger rigs. Over 34 ft or so. When your baking in the sun the one won't keep up. My windows are tinted pretty deep but I still feel the sun heat coming thru. Mfg will tell you that there designed to only do 20 degree diff than outside ambient air. Example- If it's 95 outside then the ac can only do 75 inside.
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Old 05-04-2014, 06:36 PM   #5
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If it's 100 outside and 78 inside I'd say you're doing pretty good.
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Old 05-04-2014, 06:37 PM   #6
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2 ac units. 36 ft toy hauler. Just seems the ac can't keep up with outside heat. I'm gonna do something to windows. Any suggestions?

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Old 05-04-2014, 06:40 PM   #7
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Take a temp reading at the return vent and another at the discharge vent. There should be at least a 10 degree drop from the AC unit.

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Old 05-04-2014, 06:40 PM   #8
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Dual pane would help a lot but a little late for that. Not even sure if that is an option but it was on my crusader. I have had some success with the smoked max air vents and you have to cover that skylight in the bathroom if you have one. That damn thing pours in the heat.
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Old 05-04-2014, 06:57 PM   #9
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Fit windows with reflective bubble insulation. Works wonders. I can't explain very well what we did with the AC fan discharge, but think of it like a tent shaped piece that direct air flow more efficiently to the ducts. Increased the air flow a bit. Also insulated return air box inside and out like some have done on here. Used the same reflective bubble insulation and used spray adhesive to attach.
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Old 05-04-2014, 07:00 PM   #10
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Thanks

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Old 05-04-2014, 07:03 PM   #11
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Here's the AC discharge I was referring to. You lose a little functionality of the quick cool, but the gains of the whole rig offset that. Also, as other's have mentioned, cover the vents. Ours have the MaxxAir II covers plus the pillows on the inside.
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Old 05-04-2014, 07:28 PM   #12
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I have found that the reflective car windshield screens help a lot if you stand them in front of the windows that the sun is coming thru. They reflect the heat that would otherwise be warming countertops and furniture. Also, I've had to hook up a second water hose and spray cool water onto the roof and sunnyside for 20-30 minutes to help cool the unit down after a long tow on a hot day. Allowed the a/c to catch up, then it was able to maintain cool easier once the initial radiant heat was eliminated.

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Old 05-05-2014, 09:25 AM   #13
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Something like this.

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Old 05-08-2014, 04:14 PM   #14
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We've used the silver bubble wrap type insulation in the windows of our old TH. But, if you don't want to feel like you are in a cave I recommend ceramic window tint, it made a huge difference in my F350, much better than regular window tint and will be going in our new TH this year.
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