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 Apply a Ragging Faux Painting Technique Ragging is a faux painting technique that provides both warmth and texture to any room. How to Tune Up Central and Window Air Conditioners A well-maintained air conditioner will run more efficiently, saving you money on utility bills. Energy Efficiency Upgrade – How to Seal Up Exterior Walls Believe it or not, exterior walls can require sealing, too, especially in older homes. This is a straight-forward DIY job that can be completed in an afternoon.