On 2 Aug 2014 at 2:03, Dennis Miles via EV wrote:

> On the other hand a friend in St Petersburg, FL. uses a 7,500 BTU ac in his
> S-10 Pickup (About a 400 watt load) and runs it from a 1,000 Watt 110v.
> inverter... 

I can absolutely believe that.  Pickup cabs are typically fairly small.  
They also usually have relatively vertical glass, for less solar gain than 
most cars.

Besides ... 

http://evdl.org/images/aircon-daewoo.jpg

;-)

> Your 25000 to 30000 btu/hr are two to two and a half tons (Same as HP
> or similar to Kw. ) and that is as much a a small house. 

Exactly!  A passenger car with lots of glass area and poor insulation can 
easily take that much capacity to cool.  

However, now that I think about it, I'd guess that much of that capacity is 
there so the car cools down quickly after it's been sitting in the hot sun.  
You could no doubt use a much lower capacity aircon unit if you allowed 
plenty of time to pre-cool it.  (Or always parked in the shade. ;-)

David Roden - Akron, Ohio, USA
EVDL Administrator

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