Search results

is there any rule of thumb as to how large a return vent should be compared to the number and size of vents installed thks cobia13

i can set my thermostat to 75. the room will get to 75 (indicated on the thermostat) but it will not shut down the a/c. i have to set it ti 76 before the unit will go off. any ideas? thks ivan

i haven't tried that because when the house (zone 1) is running and zone 2 is not, there is a air duct flapper valve that shuts off zone 2. if the temp in the sunroom goes above what the thermostat is set at in will open and cool the room. it will cool the sun porch great but it isn't worth a...

i recently had a 3 1/2 ton a/c unit installed (trane). i have two zones. house (1) & sun porch (2). when it hot outside 90 +, i can not get the house below 78. i have the thermo set at 75. there is a return on the sun porch that also draws air along with the return in the house. i have had the...