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Whether you’re an energy efficiency nerd or trying to reduce those massive monthly Washington DC utility bills, ensuring precise attic insulation and ventilation is vital. In essence, all ventilation is about circulating air to keep it fresh and to reduce moisture levels. Some estimates claim that up to 90% of US homes have unreasonably high levels of moisture. Understanding whether your home could benefit from attic ventilation improvement might be a real a roof-saver. Insulation on

I was driving in DC, avoiding traffic, when I saw a house with a solar-shingled roof! Very Cool! Solar shingles are photovoltaic cells designed to look like and integrate with conventional roofing materials. Recently they have become price-competitive with bolt-on panels resulting in increased popularity. One of the issues I face when recommending energy saving solutions regarding solar panels is the appearance. The advantage of solar shingles is that they look and function like a regular