One static vent style is the turbine vent which uses wind to power its enclosed fan all it takes is a light breeze to rotate the blades and suck heat out of the attic view example on the home.
Refurbish old house vented attic now heat and air consdition.
Vents come in various styles.
Help purchased home 8 years ago with 2 power attic vents.
Grab a flashlight and inspect your attic during the winter.
Put it in an attic full of blown insulation.
So why put an hvac system up in the attic at all.
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.
Most updated central air conditioned homes have a new air conditioner split system meaning the ac is broken up into parts.
Noticed one of the attic vents was not working.
Well mainly it s a way to save space.
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.
For the best results place roof ventilation near the roof s peak and soffit vents in the eaves.
Air flows in through the soffit vents and out through the roof vents.
Attic hvac systems save space.
If you see dampness or frost you need better roof ventilation and some attic vents.
Told that the 2 attic power vents are the only attic ventilation i have the house does have vented soffits every other soffit cover is vented.