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Old 03-23-2014, 11:46 AM   #15
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Over a 5 day period we've used a little more than 10 gallons of diesel, a little of that because we had 110v shore power and it wasn't enough to run the coach plus the microwave or hair dryer, so we ran the genset for about an hour and half all weekend. It is a rough estimate because we filled before going out, filled before parking, and filled when we got home. The difference was about 15 gallons comparing the two legs of the trip, the return leg included the fuel used to heat the coach.

It was cold, and we do like to be warm. We had some friends staying near us who had a propane furnace in their coach, and they were shocked at how comfortable our coach was. They assumed better insulation, but it was the AH's ability to push heat.

To me that is a lot of diesel used to heat a small volume, but the alternative is to be uncomfortable. Even with double glazed windows these things leak a lot of heat, and the windshield is a huge loss area even with the curtains closed. The bigger the coach, and especially the more slides, the more you will burn. We have a 42 footer with 4 slides. Nice thing too is that when you leave and head home the motor heats the AH boiler, which keeps the coach much warmer than just the dash vents could, and it keeps the tanks and pipes from freezing until you can flush and re-winterize if you have to.

2006 Patriot Thunder
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Old 03-24-2014, 04:44 PM   #16
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I stayed in Breckenridge, CO last January in -15F and had no issues staying warm. If your coach is winterized (fresh water) I wouldn't worry, but if you intend on using fresh water I would put a supplemental heater in water bay in these type of temperatures, a small ceramic heater will work fine since you have access to 15 amp power if you have a heavy enough gauge extension cord.

Don't forget to vent your coach for condensation, may not be a problem with no venting if you don't use water etc inside, but watch closets and inside of windows for signs of it, you may need to crack a vent. Good Luck and enjoy!

Johnny Rotten
2009 American Eagle 42'
Trailering HD Road Glide and Saab 9.3 or Cadillac Escalade ESV
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Old 03-31-2014, 02:50 PM   #17
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Well we're back from Saskatchewan safe and sound. In the end I elected to not take the coach and chose to stay in a hotel. There was enough to deal with as it was and I just didn't want to chance something going wrong, especially in cold weather.

I want to thank all of you that took the time to respond and share your experience and knowledge. Judging by your responses I believe I would have fared very well with Aqua-Hot heating. The final decision was influenced more by the fact I would have to dig the coach out of a snow bank and put it into service in an extreme environment on very short notice and all the little things that crop up first time out.

As a foot note I was at the coach on the weekend and fired up the Aqua-Hot. Outside temperature was -14C (~7F) and the interior warmed to about +4C (~39F) in about 2 1/2 hours.

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