There is minimal maintenance to keep the water heater running good as new. Here is a quick link to some helpful steps http://www.wikihow.com/Maintain-a-Tankless-Water-Heater
There are new shingles on the market that are hail resistant, specifically GAF. And, Owens Corning TruDef shingles have a fantastic SureNail strip that gives them extra strength agains high winds. I ... read more