Energy Efficiency Upgrade – Basement Overview June 27, 2011 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 Programmable Thermostat Replacing your home's mercury thermostat with a programmable unit will rid the home of dangerous mercury and help save on heating and cooling costs. How to Apply a Plastique Faux Painting Technique Plastique is a faux painting technique that provides rich, mottled texture to enhance any room. How to Replace a Kitchen Faucet Replace an existing single-handle faucet with a new model that matches your sink configuration.