2006 Mandates - Louisville Courier Journal Article on Equipment Efficiency

Water Furnace - Geothermal Equipment Manufacture Home Page

Climate Master - Geothermal Equipment Manufacture Home Page

York - York International Heating & Air Equipment

GHPC - Geothermal Heat Pump Consortium

IGSHPA - International Ground Source Heat Pump Association

EEM - Energy Efficient Mortgages

Kentucky HVAC - Associated Mechanical Contractors Kentucky