Water Source Heat Pump
How to Get Home Heating and Cooling From your Own Back YardPrinted Ephemera - 1989?
Publisher: [Knoxville, Tenn.?] : Tennessee Valley Authority, [1989?]
Branch Call Number: Y 3.T 25:2 W 29/16
Characteristics:  p. : ill. ; 28 cm
Alternative Title: How to get home heating and cooling from your own back yard