Energy Efficiency Upgrade – How to Seal Up a Basement Window July 27, 2011 ryw Energy Efficiency, Energy Efficient Products & Technologies, Step By Step Difficulty: 1 of 5 Basement windows are often a source of heat loss in a home. Follow the steps in this video to address the issue in your home. Materials: Related Posts How to Replace an Interior Door Interior doors can become damaged, difficult to operate or old-fashioned compared to the rest of the décor. Replacing an interior door is a one-day project for one or two people. How to Install Shutters Shutters add a rich detail and character to your home while protecting your windows from damaging winds and rain. How to Replace a Kitchen Faucet Replace an existing single-handle faucet with a new model that matches your sink configuration.