If the joints in your ductwork are not properly sealed your forced air system can suck attic air into the ducts air that s either really hot in the summer or really cold in the winter.
Hot attic in winter.
September 8 2020 by zamira leave a comment.
Proper attic ventilation in winter prevents mold and mildew growth safeguarding your family against these harmful contaminants.
Best way to cool an attic 1.
Reverse stack effect in hot weather will create a highway of hot air from your attic into the house especially the upstairs.
Another reason your attic is so hot is because of insulation.
If the ducts aren t insulated the ductwork will be at the same temperature as the attic warming your cool air supply during the summer and cooling your heated air in the winter.
Seal cracks and gaps.
Sealed attics trap excessive heat and moisture which can lead to reduced shingle life.
Good attic ventilation helps keep temperatures even preventing hot and cold spots that cause damaging ice dams where water can back up and freeze beneath your shingles.
The attic is a huge determinant in keeping your entire home cool so the first place to start cooling your home should be the attic.
A thick insulation between 14 to 18 inches will help reduce heat from entering your home.
The opposite happens in cold weather thus your improved temperature balance in winter.
Attic too hot in summer cold winter.
Indoor air conditioning unit.
Frost snow and attic heat loss keeping a house cool in summer primex to vent or not deciding what vented vs unvented attics a consumer where to insulate in a home.
Not the overabundance but the lack of insulation in the attic.
Hang an outdoor thermometer in your attic making sure its range reaches at least 130 degrees fahrenheit.
The thermostat will usually start at 95 degrees fahrenheit which is the temperature that the attic fan usually starts at.
Poor insulation is usually the culprit although if you enter the attic on sunny winter day your attic space can be warmed by the sun more than your furnace.
And the extra heat is not just a summer concern come winter hot attic air can melt snow on the roof during.
But by adding powered attic fans you will draw more air into the attic.
Using insulation only keeps the attic s heat from traveling through your home.
Within the attic insulation is a must.
Hang pencil and paper next to the thermometer and record the outdoor and attic temperatures.