Radiant Loss In Attic

Even the insulation in your attic gives off radiant heat to the cold attic space in the winter and to the living space in the summer.

Radiant loss in attic.

A radiant barrier is designed to increase the effectiveness of your thermal envelope. It s usually installed in the attic to cut heat gain in the summer and heat loss in the winter. By reducing the amount of radiant heat reaching the insulation in your attic the insulation remains cooler and is able to keep your home more comfortable. Radiant barrier reflects radiant heat back towards its source reflecting as much as 97 reducing summer heat gain and winter heat loss reduces attic temperatures by up to 30 degrees f.

A radiant barrier is a layer of metallic foil that blocks heat. We take a look at how radiant barriers work the different types of radiant barriers and some of the. All objects and bodies give off radiant heat. Radiant heat must be reflected with a radiant barrier.

When applied with a air space. It is meant to supplement insulation not replace it. According to the us department of energy radiant barriers are more effective in hot climates than in cold ones and can reduce cooling costs 5 10 percent in a warm sunny climate. A radiant barrier can lower heat transfer from attics to the building below keep the attic space cooler and lower cooling costs by up to 17 in warmer climates.

Radiant barriers are utilized to reduce summer heat gain in attics and help to improve the efficiency of green building envelopes. Regular insulation won t stop radiant heat loss.