This turns on the fan whenever the heating or cooling system is on but for the rest of the time it is off.
Insulated attic now downstairs is colder.
Go up to your attic and measure.
When you turn it on the fan will continually circulate air throughout the home.
During the summer this leads to the hot air from the attic seeking out the cooler conditioned floors below.
This is most notable in the case of attics.
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.
Turn fan on usually the fan setting is set to auto.
The doe recommends r 49 or better for good energy efficiency and interior comfort in northern states.
The insulation institute says a home in northern areas needs 16 18 which equals r49.
This is due to faster heat loss caused by cold air in the attic and by ductwork that is too undersized to offset that extra heat loss.
For some homeowners it s the kid s bedroom that burns up in the summertime.
For others the basement turns into an icebox during the winter months.
Inadequate insulation in the attic.
This can be in any home.
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.
According to the u s.
This can help even out temperatures throughout the home.
That may be the problem.