Comfortmaster was up and coming two and a half years ago when we bought our unit. Their problems started, according to founder Tyler Stone, when he spent big money on same parts that were supposed to be a certain brand name and quality and he ended up getting ripped off and sold counterfeit parts. That was compounded by some shoddy installation work done by some of his dealers. I think he was trying to bankroll his new business out of pocket and he just couldn’t afford the costly mistakes he made.
I have to say that I was impressed when I had some complaints about the installation that was done by one of his dealers and he told me to stop by his shop and he’d look at what I had. He ended up spending literally the whole day redoing everything himself. He had a great design and some even greater ideas in the works, he just got off to a bumpy start. Like I said before, at least most of the parts are easily purchased and replaced from places like NAPA Auto, so at least we can keep our unit running.
Actually, the Comfortmaster probably most resembles to Blackrock in form and function. I’m no expert on Blackrock, but the units look very similar. My APU has two alternators that put out a total of 400 amps to power just about anything you could ever need, and the HVAC system beats the hell out of the TriPak we bought for our last truck.
There is a good argument to be made for just strapping a 4kW gas generator on your truck and then using something like a window mount AC unit for heating and cooling. I’ve seen this done by a few guys who’ve cut a hole in the middle of their sleepers to put the AC unit in. It sure would save a ton of money, but man the end result is fugly.





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i actualy found a video on youtube that a guy made two auxiliary tanks out of 5 gal metal cans. 