Who makes the best APU.
#11
Member
Join Date: Feb 2008
Location: Ontario, Canada
Posts: 82
Seems to me i've head that decibels are on a logarithimic scale, where 70 dba would be twice as loud as 60 dba.
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#12
Senior Board Member
Join Date: Mar 2007
Posts: 1,009
Rev,
I can't stress enough that the unit you are looking at buying will be way too loud and the sound will come through the floor and shake you out of your bunk. I went the same route you are and tried everything you are trying. The unit I have now is on its way out, the company went belly up so I'm looking for a better unit now also. I am looking at a unit built in jacksonville, right now and the have a 2 cyl kubota that puts out 5,000 watts. It goes for 3.100$ without cooling system (tied into your truck system) and $3,600 if you need the radiator system. It uses 1/10-2/10's gal of fuel per hour. There is no way the unit you are looking at only burns the amount they say. Air cooled gensets are screamers. Find out what rpm it runs at and then do more research. Your truck is way too nice looking to throw a POS unit on there just because it's cheaper than the other units.
#13
Originally Posted by Doghouse
Your truck is way too nice looking to throw a POS unit on there just because it's cheaper than the other units.
Even if this ends up being a temporary solution, it is the only solution that works for me at this time.
#15
Originally Posted by Doghouse
Just FYI, wanted to give you heads up if you had any info you were looking for, and did'nt want to see you get taken by a generator sales person. I sure understand that money situation.
#16
Senior Board Member
Join Date: Nov 2006
Posts: 1,095
Originally Posted by pdm
The thermoking tripac & Comfortmaster seem like decent units i think but i don't have a lot of history with them. An espar or webasto heater makes a lot of sense to me for staying warm even with an apu. (Tripac includes an espar)
#17
I have a Tri-Pac on my company truck and don't think I put 100 hours on it from November to March. The only hours on it were from the batteries getting low from the microwave and all my other power needs. The Espar keeps the engine from wearing out and the service intervals down when it's cold out. I've put about 700 hours on it though since March from using the air conditioning. I've been running in the heat a lot and it's nice not to come back to a 130 degree truck after taking a shower. 8) 8)
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#18
Member
Join Date: Feb 2008
Location: Ontario, Canada
Posts: 82
For the systems that use a generator the generator must turn at 3600rpm. This is to get the frequency correct. North American hydro uses a 60 hertz frequency. You can see this on the tag on electric motors, 60hz. Belt driven generators can be sped up by the pulley size & allow the engine to be slowed down a bit, With an inverter the engine rpm isn't critical.
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#19
Senior Board Member
Join Date: Nov 2006
Posts: 1,095
Just picked up the truck with the TriPac. Was very impressed with it. Seems to have much more than the ComfortPro I have. One thing I liked was that when it was in normal mode (there is a switch by the steering wheel) and you start the truck it shuts off. I kept forgetting to turn the other one off when I started going and I kept blowing a fuse.
Also not having to run the engine when the heat is on is a huge plus. Took up less space under the bed too. Good warranty too. It was $500 or so and it gives you 5 years and 2000 hours per year.
#20
I have a ThermoKing providing power plus heat and a/c. It seems pretty reliable and isnt that loud. anyways, much quieter than a reefer. I thought it coming on and going off would wake me up but it dosnt seem to. With the price of diesel I cant see why anyone would not get one and if I were buying a truck I would make sure it had one right from the start. another plus is up here in the Northeast where its -30 in the winter I can set it to 50 degrees and it keeps the batteries charged so the truck always starts without plugging it in and the inside of the truck isnt an icebox in the morning
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