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 Build a Jig to Make a Tapered Leg Using a jig is a great way to make accurate, angled cuts. How to Prepare a Room for Painting Preparing a room for painting will save on cleanup time and will make the finished job look professional. How to Paint High Stairwells Excessively tall staircase paint jobs that require scaffolding might be best left to the experts. For moderately tall jobs, a few easy steps will have the walls and ceilings looking new in no time.