DC powered A/C
There are now a couple of companies supplying the auto industry with 12V DC A/C compressor, mainly for use in electric/hybrid vehicles. There are also a few companies making 24V DC A/C compressors ...
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We're planning on using one of these Kingtec units- 13.5kbtu off 45 amps of 12 volt power. Way more efficient than an inverter/120 volt model. Right around $3k
They also have a 12 volt split model
http://www.kingtecusa.com/
They also have a 12 volt split model
http://www.kingtecusa.com/
