To perform properly radiant barriers must be installed facing an open air space.
Radiant barrier for attic review.
Also sometimes heat radiant barriers are used around the exterior building wall so as to allow the heated air to rise upwards naturally into the attic.
When placed directly against another material these barriers actually promote heat transfer by conduction instead of blocking or reflecting it away.
On average it has been proven that about 10 20 are saved on heating bills if heat radiant barriers are used.
We installed the product and the attic temperature rarely exceeds 92 degrees.
Read honest and unbiased product reviews from our users.
After installing the radiant barrier our electric bills have been reduced by 50 even in the hottest months.
Our average electric bill without the radiant barrier in april may and june was 140 00.
If your house doesn t have continuous ridge and soffit vents so it s trapping excess heat in the attic that s a very cost effective improvement.