This is most notable in the case of attics.
Attic room too hot in summer.
Hang pencil and paper next to the thermometer and record the outdoor and attic temperatures.
Just like properly sizing your furnace and air conditioning unit you want precisely the right amount of attic ventilation for your home.
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.
Having a properly vented attic is the best way to keep attic cool because it allows the hot air to escape during the summer.
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Insufficient ventilation can lead to moisture problems during the winter and decreased energy efficiency during the summer but too much ventilation can be just as bad if not worse.
During the summer this leads to the hot air from the attic seeking out the cooler conditioned floors below.
If hot air is allowed to sit in your attic it could overheat the shingles on your roof and cause damage.
Not the overabundance but the lack of insulation in the attic.
An unventilated attic can reach 150 degrees in the heat of summer 50 degrees higher than it should be.
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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.
During the summer heat a poorly insulated attic will allow heat into your home.
Your air conditioner will have to work harder to keep your home cool which means higher energy costs for you.
Not only will the attic heat up but if the floor of your attic isn t insulated properly that heat will come right into your home.
Within the attic insulation is a must.
Many attics contain ductwork that supplies cool air to upstairs rooms during the summer and heated air during the winter.
Attic room too hot in summer.
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.
Another reason your attic is so hot is because of insulation.
Why reflective roofs beat pavs and radiant barriers as you might expect it s not hard to show that reflective materials keep things cooler.
Each summer has been consistent with air temperatures in attic tracking below outdoor ambient until mid afternoon where it then tracks with outdoor ambient.
In addition hot air in your attic could increase moisture levels which could result in wood rot and mold growth.
September 8 2020 by zamira leave a comment.
