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Energy Assesments and Audits
Weather changes cost money! That's not news. One thing we can be sure of is that there will be weather! But the price of oil and gas is bouncing around like lacrosse ball in a handball court. You kno
Building Tightness Limits
  Building Tightness Limits (BTL) can provide a guideline for tightening up a house. (Parts of this are excerpted from The Residential Ventilation Handbook by Paul H. Raymer published by M