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Summer is known as the primetime for heat and humidity, this is one of the most important seasons to make sure that your attic fan is adjusted correctly. When it comes to an attic fan’s temperature setting, it’s best to adjust it to anywhere from 90 to 110 degrees Fahrenheit.
What is normal summer attic temperature?
Ideally, your attic should not exceed 130 degrees Fahrenheit during the summer. Problems related to attics hotter than 130 degrees: It will make it harder to cool your home in the summer.
When should I run my attic fan in the summer?
During the summer the fan should operate anytime the attic temperature is above the comfort level desired for the indoor living quarters. For example, if the air conditioning thermostat is set to 74 degrees, the attic fan might be set to 75 degrees.
What humidity should attic fan be set at in summer?
For an attic fan, the best humidity level to be set on the humidistat is 50%. That is, if the relative humidity in the attic exceeds 50% then the attic fan will turn on.
Should I cover my attic fan in the summer?
Covering the attic fan vent saves energy and helps to prevent ice dams. Keeping attic vents open or closed in summer may be a personal preference, but you’ll almost certainly want yours closed in the winter.
How do I keep attic heat down in the summer?
4 Ways to Reduce Attic Heat in Your Home Seal spaces around plumbing, recessed lights and vents. Your attic can get as hot as 150 degrees in the summer. Install adequate insulation. Start by examining the insulation that is already in your attic. Install gable vents. Get an attic fan, and have it serviced regularly.
What should my attic fan be set at?
When it comes to an attic fan’s temperature setting, it’s best to adjust it to anywhere from 90 to 110 degrees Fahrenheit. It’s impossible to state a single number because your attic can effortlessly soar above 95 degrees (on average).
How do you cool down a hot attic?
Install electric ventilators and attic fans, which remove hot air from an attic. They have thermostats that turn the fan on at a recommended preset temperature of 100-110 degrees. Alternatively, install passive vents such as gable, soffit and ridge vents, which are openings in the roof that allow hot air to escape.
How many degrees does attic fan reduce temperature?
An attic fan operating on a hot day can reduce the temperature in your attic by as much as 50 degrees. And with reduced temperatures in the upper levels of you home, your air conditioner will begin working more efficiently to cool the rest of your home.
When should I turn on my attic fan?
Attic fans work best at night when the outside temperature cools and that air is drawn into your warm home to cool it off.
How hot is an attic on a 90 degree day?
More often than not, attic temperatures will be in excess of 125 degrees on a 90 degree day. This will overwork your air conditioning equipment, run up your utility bill and shorten the life of your roof. Ridge vents help – excessive heat can escape through ridge vents.
How do you tell if your attic is properly ventilated?
How to determine whether you need better attic ventilation Look at your eaves and roof. Touch your ceiling on a warm, sunny day. Thick ridges of ice on your eaves in winter are a sign of poor attic ventilation. Warm air that escapes living space also carries moisture that will condense on rafters or roof sheathing.
How long should an attic fan run?
Generally speaking, an attic fan should run as long as it takes to replace all the attic air with outside air. Usually, this takes roughly 15 minutes. However, you can calculate a much more accurate time by dividing the strength of your fan by the volume of your attic space.
Do attic fans have thermostats?
A powered attic ventilator, or attic fan, is a ventilation fan which regulates the heat level of a building’s attic by exhausting hot air. A thermostat is used to automatically turn the fan off and on, while sometimes a manual switch is used. An attic fan can be gable mounted or roof mounted.
Does cooling the attic help?
How Insulation Cools Your Attic. Insulation keeps the sun’s heat from radiating into the lower floors, meaning your home will be noticeably cooler. This means your AC won’t have to work quite as hard to maintain a cool internal temperature.
Is 85 degrees too hot for a house?
Be careful not to decrease your home’s temperature to less than 55 degrees in winter or allow your home to warm to more than 80 degrees in summer, as it may leave your home susceptible to damage. An indoor temperature of less than 55 degrees may lead to freezing pipes, while anything more than 80 may damage drywall.
How do I keep my attic cool in summer and warm in winter?
If your attic has windows, be sure to block the sun in the summer with heavy drapes or light-reflecting blinds. In the winter, open up the drapes or blinds, and let solar heat warm up your attic. Ensure attic windows are property caulked and insulated to prevent drafts and loss of heat.
