Electrical boxes behind wall sockets penetrate into the wall cavity, which make them potential sources of air leakage. These polyethelyne foam gaskets install behind electric outlet plate covers to reduce drafts. For double or triple gang boxes multiple gaskets can be overlapped and trimmed to fit.
The utilities & energy efficiency providers below work with EFI to extend discounts through EFI online stores. Offers are grouped by those for residential customers and this for non-residential customers.