As air heats the density decreases.
Upstairs and downstairs air conditioning.
Your roof absorbs a ton of heat from the sun unless you have a lot of shady tree cover.
A lower cooling load in upstairs living spaces allows more moderate a c thermostat settings and avoids over cooling downstairs rooms.
Physics is the challenge here because hot air rises and cold air sinks.
Increasing the air conditioning in.
Be careful not to fully close all downstairs air supply registers.
You are literally rerouting the circulation of the air pushed out through your air conditioner.
Central air conditioners work by blowing chilled air into the home.
Why is my air conditioning working upstairs but not downstairs.
Key reasons it gets hotter upstairs.
If you ve been having problems sleeping during the summer because it s too hot upstairs you re not alone.
So your upstairs has a natural tendency to be warmer than lower levels.
Enough air must go through the air conditioner.
Opening upstairs cold air supply registers fully and all but closing downstairs air supply registers helps direct the cold air upstairs.
Less dense air rises above colder more dense air.
If you re trying to get the most efficiency out of a central air conditioner.
This tip on how to cool upstairs of a 2 story home depends on if you re using a central air conditioner or one of the supplemental air conditioning units we mentioned above.
It happens because of the laws of thermodynamics.
Leave all of the upstairs doors open.