Energy Efficiency Upgrade – Basement Overview September 3, 2018 ryw Energy Efficiency, Energy Efficient Products & Technologies, Step By Step Difficulty: 1 of 5 An unsealed basement can be a major contributor to home heat loss. This overview takes a look at a typical basement and targets the main sources of potential heat loss. Materials: Related Posts How to Install a Ceiling Fan Replacing a light fixture with a ceiling fan can bring comfort and energy savings to the home. How to Replace a Toilet Replacing a toilet is an easy job that requires basic tools and skills and can usually be accomplished in under an hour. How to Hang Drywall Finished walls begin with drywall that is level and smooth. Simple tricks will help you hang drywall like a pro.