During the summer this leads to the hot air from the attic seeking out the cooler conditioned floors below.
Insulated attic now downstairs is colder.
The doe recommends r 49 or better for good energy efficiency and interior comfort in northern states.
When you turn it on the fan will continually circulate air throughout the home.
Inadequate insulation in the attic.
This is most notable in the case of attics.
Department of energy doe the average unimproved attic has just r 19 insulation the insulation value of a five and a half inch thick fiberglass batt.
The insulation institute says a home in northern areas needs 16 18 which equals r49.
Go up to your attic and measure.
Attic insulation is put into the home when it is built but over the years it settles or was never enough insulation in the beginning.
Turn fan on usually the fan setting is set to auto.
As an energy auditor one of the most common complaints we come across is a room or area of the house that gets too hot too cold or both.
Since attics are often under insulated poorly sealed and poorly ventilated the temperature environment can be drastically different in an attic than in the rest of the home.
According to the u s.
For some homeowners it s the kid s bedroom that burns up in the summertime.
This turns on the fan whenever the heating or cooling system is on but for the rest of the time it is off.
That may be the problem.
This can help even out temperatures throughout the home.
This can be in any home.