06:57PM | 08/08/02
Member Since: 08/07/02
1 lifetime posts
I have a 2700 sq ft, 2 story house, in San Antonio, Texas and it seems to be impossible to keep the upstairs at a bearable temperature level. I have ceiling fans in all the rooms upstairs, 3 bedrooms and an open area where I have 3 computers (probably most of the problem). I have had the attic sprayed with radiant heat resistant spray. I usually have the A/C on about 78 degrees during the day and that keeps it pretty nice downstairs but the upstairs is barely bearable. I know heat rises and all but is there something I can do, some steps I can take to eleviate the situation without buying a new A/C unit.
Bruce Cramer
San Antonio, Texas.


03:49AM | 08/09/02
Member Since: 03/13/00
1675 lifetime posts
A couple of questions for more information:
Do you have a single system for the whole house (is there just one thermostat)?
Have you tried turning off the 3 computers for a day to see if it makes a big difference? (If so, perhaps you could move them to the first floor.)
Do the air vents in the 2nd floor seem to produce a good flow of cool air when the AC is running?


11:40AM | 08/09/02
The best solution is to use a multiple zone system with the upstairs having it’s own thermostat. If this is not feasible try this:
I assume the thermostat is on the first floor. Close or at least partially close the air supply vents on the first floor. This will force more air to go up to the second floor. The cool air will migrate down to the first floor on it’s own. Adjust these vents once every few days until you get a proper balance in the temperature. I think this will greatly help your problem. If it doesn't you may need a larger AC unit.

Glenn Good

[This message has been edited by GlennG (edited August 09, 2002).]

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