Some units provide both cooling and heating.
Using attic air heat house.
And the extra heat is not just a summer concern come winter hot attic air can melt snow on the roof during the day only to refreeze when temperatures drop overnight creating ice dams that lead.
If you could do dryer loads using attic air when the attic is hot and then vent the air outside you save the dryer some heating and you avoid.
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.
The control is 2 thermostats i save old ones for this run in series.
While it does help to reduce the heat in your attic putting these fans in your attic costs more because of the loss of conditioned air.
So i know there is heat in the attic generated by the sun.
The air you lose from the attic is then drawn into your.
If you re using your attic as a functional space like a bedroom or workroom then you ll want to consider adding an indoor air conditioning unit.
Make sure to have a spring damper inline so air won t go out of the house into the attic.
Turn excess attic heat into hotwater.
But by adding powered attic fans you will draw more air into the attic.
If you had a thermostat in the house and in the attic so that it would only run when you need heat and the attic is hot.
One in the house in heat mode and one in the attic in cooling mode.
Room to 700 or so for cooling.
Prices range from 400 for cooling a 400 to 700 sq ft.
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.
Using insulation only keeps the attic s heat from traveling through your home.
Mark i haven t thought too much about what to do with the exhaust air other than running it out of the house from the first or second floor to create some sort of flow through the living spaces but not back into the attic.
I use a 24v transformer and a relay to control the fan so we just run a stat wire inside.
It draws cooler outside air in through open doors and windows to create a pleasant breeze that pushes hot air out through attic vents.
Best way to cool an attic 1.
The water for my hotwater heater has to pass through it and pick.
A double energy waste.
This sends hot air up and out cooling your house and your attic.
What do you think.
Using attic heat recorded attic temperatures.
It would need a damper to keep from losing heat when not in use.
What about using an attic fan in reverse to draw hot air out of the attic and into the house.
I was wondering if i could heat the water in my swimming pool using the heat in the house s attic and i started messing about with a large s heatsink s thermal battery.