Hi Travis,
thanks for the great insite, this helps a lot.
So the higher the SEER number the more efficient the unit is.
thanks,
jay
On Aug 22, 2008, at 7:40 AM, Travis Creswell wrote:
1 ton = 12,000 BTU's
SEER = how many BTU's per kW (Since you asked about "rough
electrical load"
for this equation we're going to ignore the complexities for EER
vs. SEER,
COP at varying outdoor temps and so on. We'll leave that for
someone else
to discuss if they desire)
Plus you'll want to add approximately 150 watts per ton for the air
handler
Assuming a 13 SEER AC unit the math is;
2.5 tons x 12,000 BTU's = 30,000 BTU's
30,000 BTU's/13 SEER= 2.3 kW
2.5 tons x 150 watts/ton for air handling = 375 watts
For a total running kW of ~2.7.
That's how I do it. Doesn't mean it's the right or only way.
Best,
Travis Creswell
Ozark Energy Services
-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of jay
peltz
Sent: Friday, August 22, 2008 9:23 AM
To: RE-wrenches
Subject: Re: [RE-wrenches] offgrid system question
Can someone tell me how to convert AC "tons" to rough electrical load?
or is there a way?
I've got a customer who is wanting to install a AC unit and they tell
me its a 2.5 ton and uses 9000 watts.
( they haven't given me make or model yet)
thanks,
jay
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