While window air conditioners were certainly popular at one time today it is generally preferable to use a ductless system.
How to get air conditioning to second floor using fans.
Compliment your air conditioner with a fan.
Set your air conditioner to run the fan continuously.
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Regardless if you use your central air conditioner or a window ac unit a well positioned fan can take the cooling capabilities of these systems to the next level.
It creates true air circulation and if your fan is powerful enough cycles and moves the air through the whole home.
Add a small return vent duct to each room on the second floor.
Perhaps you ve tried turning the air conditioner up hoping that would help only to find that your second floor is still hotter than your first floor regardless of the extra cool air.
A new air conditioning system will not likely help.
Position a box fan in the opened window.
Uses of ceiling fans electric fans and leaving doors open to increase circulation also have some effect.
Make sure that your attic is well insulated.
If they still are warmer then the downstairs rooms close the downstairs vents more.
By installing ceiling fans or using floor fans you can help to better distribute the cold air that comes from your air conditioner.
Attic fans are overrated and can cause more problems sucking air conditioned air out of your home.
The fan should face the outside as this will help suck hot air from the home.
However you might not even notice this difference in temperature until the hot months of summer.
An air conditioning system tune up will not help.
Divide the house into two zones one for each floor.
Closing all the downstairs registers may help the hot upstairs a little but your air conditioning system may suffer from inadequate airflow.
Ensure that the air conditioning unit is on and wait one hour.
You can choose second floor air conditioning units such as a window air conditioner or a ductless system in order to provide the cooling comfort you need.
It might ease your mind to.
If you do not own a box fan simply keep the window open.
Make the second floor return vent duct bigger.
Essentially running a floor standing fan will help distribute the cold air generated by your air conditioner at a faster rate.
This draws the warm air from the upstairs through the air return and circulates it through the rest of the house leveling the temperature.
Check the temperature of the second floor rooms.
For 1 the furnace fan running all day with the a c on might solve some milder heat trap problems for your second floor.
If your home is a two story home you might be struggling with a hot second floor.
Using a fan to disrupt the settled cold air and push it up and outward allows the cold air to move into hot spaces and disperse.