This is most notable in the case of attics.
Insulated attic now downstairs is colder.
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.
Turn fan on usually the fan setting is set to auto.
When you turn it on the fan will continually circulate air throughout the home.
That may be the problem.
During the summer this leads to the hot air from the attic seeking out the cooler conditioned floors below.
According to the u s.
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.
Inadequate insulation in the attic.
For others the basement turns into an icebox during the winter months.
When parts of your home are cooler than others it does not necessarily mean that your system is running inefficiently.
This can help even out temperatures throughout the home.
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.
Go up to your attic and measure.
The doe recommends r 49 or better for good energy efficiency and interior comfort in northern states.
This turns on the fan whenever the heating or cooling system is on but for the rest of the time it is off.
The insulation institute says a home in northern areas needs 16 18 which equals r49.
For some homeowners it s the kid s bedroom that burns up in the summertime.