Low voltage Air Conditioning [RE-wrenches]

[Larry Crutcher, Starlight Solar]

Does anyone have experience with DC air conditioning equipment? I have a 
customer with a semi truck and wants a roof air for the sleeper.  Many 
truck stops now forbid engine idling for more than 5 minutes so they can 
not use the cab air. 

A small diesel generator is one solution but the trucker is not sure if 
some truck stops may forbid that as well. Since the truck engine is only 
off for 10 hours or so, it looks like 18kWhr of battery @ 50% DOD  will 
operate the A/C load until the engine starts again. 

Some customers in Mexico are running mini-splits successfully but I 
don't want to add the complexity of an inverter if there is a low 
voltage DC solution.

Thank you all,

Larry Crutcher
Starlight Solar
Yuma, AZ
Renewable Energy Products "Powered by STARLIGHT"tm


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