Attic Fan V Radiant Barrier
However the fine print exists when the best available radiant barrier paint can only reflect about 75 of the radiant heat transfer.
Attic fan v radiant barrier. April 19 2012 at 10 23 am. Meanwhile the radiant barrier foil will reflect 97 of the radiant heat transfer. Finally if you re trying to reduce heat loss from the home into the attic you need to consider adding a radiant barrier over your insulation on the attic floor to help the home from radiating heat into the attic space. We typically recommend radiant barrier in addition to attic fans as a two prong approach in optimizing energy efficiency in your home.
A radiant barrier works best when it is perpendicular to the radiant energy striking it. For the record both the radiant barrier spray paint and the radiant barrier foil will reflect i e. Radiant barrier should always be installed to work with the soffit and ridge. Using radiant barrier in your attic will reduce radiant heat coming from the home preventing the warm air from getting into the attic and forming the ice dams.
Total diy radiant barrier installation costs w attic fan. Daniel the number one thing you can do to reduce heat in the attic is to install a radiant barrier. Keep in mind in order to get this price you must be very savvy with electrical and active venting solutions. The temperature of the attic space increases and that heat is transferred to the building below.
Increasing summer energy consumption and cooling costs. Not emit radiant heat. A radiant barrier can lower that heat transfer keep the attic space cooler and lower cooling costs by up to 17 in warmer climates. 95 of homeowners will not be able to install a roof mounted attic fan with temp switch or proper venting.
The key to preventing ice damming is to seal seal seal any heat escaping from the home is a potential contributor to ice dams forming. Total diy radiant barrier savings over the next 25 years. A radiant barrier reduces the radiant heat transfer from the underside of the roof to the other surfaces in the attic. Installing radiant barrier under the roof decking is the preferred method versus on top of the insulation because it gives an air gap for the heat to escape to the ridge vent without creating a potential moisture problem between the radiant barrier and the attic floor.
We recommend and install radiantguard radiant barriers. Our superperf radiant barrier is an excellent choice especially in cold climates where moisture is a significant concern. They block 97 of the radiant heat. Also the greater the temperature difference between the sides of the radiant barrier material the greater the benefits a radiant barrier can offer.