How many BTU A/C ?

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here's a window beast
(Amazon.com product link shortened)20452396/sr=2-1/ref=pd_bbs_b_2_1/104-8506438-6978355
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Iowa883 wrote:

Consumer Reports has a worksheet for homes at:
www.consumerreports.org/main/content/display.jsp?FOLDER%3C%3Efolder_idD4721
but a shop can give a very different heat load.
The largest 110VAC window air conditioner I know of is rated at about 15,000 BTU/hr, but 36,000 BTU/hr is available with 220VAC. I seriously doubt you need the latter or nay 220VAC unit, and smaller sizes are so cheap that 2 of them may cost less than a single larger unit with the same cooling power.
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On 4 Jul 2005 06:48:32 -0700, do_not_spam snipped-for-privacy@my-deja.com wrote:

The capital costs of two 110VAC units may be less for a given number of BTUs but the real concern is going to be operating costs. One big 24000 BTU unit is almost always going to be more efficient than two 12000 BTU units when you consider the cost of converting electrical watts to cooling capacity. (You will have one more compressor...one more blower, etc.)
Beachcomber
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Beachcomber wrote:

Nonsense. While a larger unit is inherently more efficient, just as 220VAC is inherently more efficient than 110VAC for motors, in reality there's no difference, and small units are commonly available with efficiencies of EER 10 (roughly like SEER 12). Also on a milder day, operating just 1 of the smaller units may be more efficient since it'll probably remove more humidity by running continuously.
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This is Turtle.
If you want a Guess here . well Here is where you can go to get a good guess.
http://www.thisoldhouse.com/toh/knowhow/calculator/ac
Plug and Play !
TURTLE
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