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-   -   What is proper temp. of supply air (http://www.diychatroom.com/f17/what-proper-temp-supply-air-3051/)

bob-smith 07-12-2006 07:15 PM

What is proper temp. of supply air
 
South Florida. 90 degrees outside. 5 ton split unit.

I get 58 degrees at a register near the air handler. 64 degrees in a back bedroom.
What should/can it be?

redline 07-12-2006 07:18 PM

are the a/c ducts insulated?

bob-smith 07-12-2006 07:32 PM

Quote:

Originally Posted by redline
are the a/c ducts insulated?


yes they are insulated

The coil ( inside the air handler) is about 5 years old. The previous owner didn't maintain it. I thinking of replacing it. I trying to judge current performance.

I have a new 10 seer condenser unit. Pressures are good. Lots of water out the drain. Just trying to get the most out of the system.

#CARRIERMAN 10-18-2006 05:59 PM

Hi bob-smith

It sounds to me like you have an air flow problem. This is pretty easy to figure out. Use a digital thermometer. Take a temp reading at the return air grill, then take one at the closest supply register to the furnace. Subtract the two temps from each other. If you have less than 16deg and more than 22deg difference. You will need to have the blower speed set. If you have a good HVAC company, they will be able to calculate and set this for you.

Good luck, let me know if I can help you in the future
Rusty


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