Hot Air From Attic Behind Wall

However for best results you must have sufficient vents to allow for the free airflow.

Hot air from attic behind wall. Install electric ventilators and attic fans which remove hot air from an attic. 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. It is placed at the highest point of your roof so that the hot air rises to get out. Hot or cold attic air can go right under the floor of the adjoining conditioned space.

If attic air can reach the drywall there s little resistance to heat flow between the attic and conditioned space. 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. I have large attic with ridge vents and screened vents at either end of the attic to maintain air flow. Energy vanguard figure 6.

Hot air exhaust vents located at the peak of the roof allow hot air to escape. Floor joists below kneewall with no blocking. The idea behind them is simple. Taking advantage of this natural process referred to as passive ventilation is the most common way to vent an attic.

They have thermostats that turn the fan on at a recommended preset temperature of 100 110 degrees. If your house is too cold or too hot despite the furnace or air conditioner constantly running you may begin to wonder what s going on. This will keep your attic cooler which will reduce the cooling load on your home. As long as you have effective windows good weatherstripping and attic insulation your house should stay at a moderate temperature with the hvac system running intermittently.

Energy vanguard figure 5. They differ from whole house fans which are attic installed fans intended to cool the entire home rather than simply maintain proper attic temperature. Attic ventilation fans are a type of attic fan that cools attics by pushing hot air outside while pulling in cooler air from soffit and gable vents. A powerful fan draws cooler early morning and evening air through open doors and windows and forces it up through the attic and out the roof vents.

For instance for air conditioning to work properly air returns the large ducts that carry air back to the central unit need to be installed high up on the wall of each upper floor to capture. 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. I have a shop in my attic for some of my hobbies and it get s very hot in the summer.