Once you turn on the cool filtered air keep the doors and windows closed to keep the unhealthy air outside.
Swamp cooler attic vent.
Eliminates excessive attic heat and the need to open windows and doors to vent air from cooler.
Swamp or evaporative coolers are a great way to cool down your home especially if you live in a dry climate.
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This lets you keep the windows closed and still provide a pathway to the outside.
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Low cfm similar to a bathroom vent 300cfm and only in the hot spots basically by adding an inline ducting fan to the return ducts for the hotspot rooms.
Swamp coolers add water to the air to cool it down raising the humidity in your home.
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The other option for ventilation is installing grills to the attic if your attic has ventilation.
Many evaporative cooling systems aka swamp coolers don t filter the air.
Most people open a window.
Up dux exhausts evaporative cooler air into attic.
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Evaporative coolers need to have an exit to the outside to work properly and efficiently.
When force fed into the attic by evaporative cooler air pressure the air passes to outside in.
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My idea is to vent the build up of hot air that has risen to the ceiling in the hotspot rooms into the attic so that air from cooler parts of the house can move in.
Up ducts release warm air into the attic and allows the cool air from the swamp cooler in.
Opening or closing windows regulates the temperature and humidity.
I have a shop in my attic for some of my hobbies and it get s very hot in the summer.
I have large attic with ridge vents and screened vents at either end of the attic to maintain air flow.
The home can be locked while cooler is operating.
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Can i put a small swamp cooler or ventless a c unit up there to cool it only to use while i am in my shop maybe an hour or two a couple times a week.
With attic vents unblocked and open normal circulation allows the air to pass to the outside.