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How to install "shrink and seal" all around your house

Conserving energy and saving on heating bills is the goal of most homeowners today and although drafts and heat loss can occur at many points in a home, a major source of energy loss is the windows, especially if they are old. One answer is to add storm windows; another is to install new replacement windows that have a high R-value. Either remedy, however, can be costly. A less expensive option is to seal the windows using sheets of heat-shrink plastic.