Small split system AC units

[Honus]

I am thinking of putting a small apartment in our barn. It will be about 900 SF. I would like to use a small split system to cool it. Does anyone know of any good websites or other resources that will give me general guidance about those systems? I would love to get some specs on those systems and get some rules of thumb for cooling capacity per square foot, CFM per square foot, etc.

[MTI]

You can get specs from the manufacturer websites. Some makers are identical since they just "rebadge" a base unit.

Mitsubishi Mr. Slim
Fujitsu
Fredderich
Sanyo
Panasonic

there are others

[dannym]

You have over 2,000 posts and still don't have your location in your profile?? Do you think that might be a factor here......maybe

The very general rule of thumb is:
Total heat=Area X CFM X Change in temperature.
Lets assume a constant CFM. Total heat = 900 X 30 = 27000/12000 = 2.25 Tons.

Which is pretty close to the usual 1 ton per 500sq/ft

Assuming 8' ceilings, less than 20% window area on the South side, That you use drapes and have awnings, The walls and ceiling are adequately insulated. The list goes on.

Do you want a high energy rating?
Is sound rating important to you?

danny

[whunter]

Originally Posted by dculkin

I am thinking of putting a small apartment in our barn. It will be about 900 SF. I would like to use a small split system to cool it. Does anyone know of any good websites or other resources that will give me general guidance about those systems? I would love to get some specs on those systems and get some rules of thumb for cooling capacity per square foot, CFM per square foot, etc.

http://www.google.com/search?hl=en&q=hvac






Have a great day.