I am in the process of finishing a large bonus room in my ohio home.
Reclaiming attic heat.
Pulling the heat from the sun into the pool before it heats the roof attic and room below has worked out well.
I posted this in passive solar but if there s a better forum please move it.
Reclaim your attic space.
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.
If it is and you plan to provide heating and cooling to the finished attic space you need to remove.
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.
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.
Rescue that wasted space.
We routinely perform manual j thermal analysis when we size air conditioning equipment.
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.
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.
This video describes the steps for installing a venmar air exchanger ea 1500 replacing an older air exchanger.
What about using an attic fan in reverse to draw hot air out of the attic and into the house.
Some rough conclusions so far for our sw montana climate.
On most mid winter days the attic daily high temperatures are 70f or less.
The attic floor which is the ceiling of the living space below often already is insulated.
By friga inc remodeling attic remodels attic space general contractor remodeling 0 comments.
Like you i have wondered if attic heat could be used to heat my home.
Also we will most likely need to insulate the space to keep the heat and cool in since the attic is directly under the roof.
It would need a damper to keep from losing heat when not in use.
In other words when you get the basics right your attic insulation and air barrier you then need to focus on other energy.
What do you think.
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.
Potential uses of attic heat.
The installation is in the attic of a house.
