Electrical outlets on exterior walls are among the most overlooked air leaks in a home, quietly draining your heating and cooling budget year-round. A few dollars of foam and gaskets can seal these gaps and cut your energy bills by up to 20% with no tools required.
Replacing your windows is a major investment, but new glass alone does not stop drafts if the surrounding installation has gaps, failed caulk, or missing foam. This guide explains the real causes of post-replacement drafts and shows you exactly how to seal them for good.