Solar Home Heating and Cooling Demonstration Act, 1974 : hearing before the Special Subcommittee on the National Science Foundation of the Committee on Labor and Public Welfare, United States Senate, Ninety-third Congress, second session on S. 2650, to provide for the early commercial demonstration in residential housing and other buildings of technology for solar heating and combined solar heating and cooling by the Secretary of Housing and Urban Development, to establish a National Solar Energy Coordinating Council, and for other purposes : H.R. 11864, to provide for the early commercial demonstration of the technology of solar heating by the National Aeronautics and Space Administration and the Department of Housing and Urban Development, in cooperation with the National Bureau of Standards, the National Science Foundation, the General Services Administration, and other federal agencies, and for the early development and commercial demonstration of technology for solar heating and cooling, March 27, 1974.