If it is and you plan to provide heating and cooling to the finished attic space you need to remove.
Reclaiming attic heat.
On most mid winter days the attic daily high temperatures are 70f or less.
Before beginning the project i considered how the roof heat could be used and designed and integrated an automatic system to bring the heat from the space just between the roof and the insulation layer into the room.
We routinely perform manual j thermal analysis when we size air conditioning equipment.
A well insulated and air sealed attic in phoenix will only comprise 10 15 of the sensible cooling load.
What do you think.
This video describes the steps for installing a venmar air exchanger ea 1500 replacing an older air exchanger.
On the hottest days the solar turns off early as the pool reaches the desired temperature so the removal of heat stops at that point.
Once the solar radiation is absorbed some of the heat still gets ejected to the outside but much of it conducts downward through the roofing materials and roof deck.
Some rough conclusions so far for our sw montana climate.
In other words when you get the basics right your attic insulation and air barrier you then need to focus on other energy.
I posted this in passive solar but if there s a better forum please move it.
It was an unanticipated but positive side effect.
There it radiates down into the attic heating up the insulation the framing the ductwork and the boxes of christmas tree ornaments.
Reclaim your attic space.
I would guess that for 3 months of the year spring and fall we have heat in the attic that could be of use in the dwelling underneath.
Rescue that wasted space.
It would need a damper to keep from losing heat when not in use.
The installation is in the attic of a house.
Potential uses of attic heat.
But in the attic it is a toasty 80 since the sun is out.
Space heating in the mid winter there are only a few days when temperatures get up into the 80 s which is pretty much the threshold for useable heating.
I am in the process of finishing a large bonus room in my ohio home.
What about using an attic fan in reverse to draw hot air out of the attic and into the house.
By friga inc remodeling attic remodels attic space general contractor remodeling 0 comments.
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.
Like you i have wondered if attic heat could be used to heat my home.