* Offers home energy conservation services to reduce household energy consumption. Testing, cleaning of furnace/heating systems. Indoor air quality testing and ventilation upgrades as necessary. Heating and/or hot water tank repairs or replacements as approved by Housing and Community Renewal. Installing perimeter, attic and/or wall insulation, possible window and door repair or replacement. Weather-stripping, caulking and/or repair of cracked glass and sash, sill and thresholds of doors and windows. Possible refrigerator replacement. Energy efficient air conditioners for those who can prove a medical need.