Preservation Brief 24—Heating, Venting, and Cooling Historic Buildings by Sharon C. Park, AIA
Air Conditioning Contractors of America—Homeowner Resources
American Society of Heating, Refrigeration and Air-Conditioning Engineers (ASHRAE)—Publications and technical information on HVAC in historic buildings
Energy Efficiency: Mechanical Systems—Common Sense Preservation
Historic Fredericksburg Foundation, Inc.
1200 Caroline Street
Fredericksburg, VA 22401