Yahoo Answers is shutting down on May 4th, 2021 (Eastern Time) and beginning April 20th, 2021 (Eastern Time) the Yahoo Answers website will be in read-only mode. There will be no changes to other Yahoo properties or services, or your Yahoo account. You can find more information about the Yahoo Answers shutdown and how to download your data on this help page.
Trending News
Central Air conditioner?
I have 2 switches on my A/C thermostat thingy (the round dial that's on the wall). One side says "Cool" and "off" and I use that to turn the A/C on and off. The other side says "Fan On" and "Auto" and I leave this on "Auto" and when the house gets warmer, the A/C kicks on. But what's the "Fan on" button for? Does it blow hot air out of the house and therefore draw cooler air in the windows, or does it blow a fan into the house. I'm confused.
3 Answers
- Anonymous1 decade agoFavorite Answer
The fan switch simply puts the furnace blower on constant run. It will constantly take air from your cold air returns in the house and force it out your registers. This will not bring any fresh, outside air in. It will circulate all the air inside the house. If the cool switch is on, the A/C compressor will kick in if the air temperature rises warm enough to get to the thermostat's setting (and the same if it's set to heat) and the compressor will turn off when house temperature cools down but the fan blower will always constantly run. This function is very useful when Uncle Fred visits after a big meal of refried beans.
- 1 decade ago
That switch controls the air mover fan in the furnace that circulates the air throughout your house. The only reason you would leave that switch "on" would be if you have multiple levels and you want to keep the air moving and temps more uniform from level to level. The answer is no, it does not blow hot air out of the house.
- Anonymous1 decade ago
*blushed*
