Text/BRAND NEW. Illustrated cover/NF w/light edge & faint creasing to lower

Text/BRAND NEW. Illustrated cover/NF w/light edge & faint creasing to lower front corner. Principles of solar energy utilization. How to tap the sun's energy for the home. Illustrated text in 11 chapters: 1, Is Solar Heating for You? ; 2, Basics of Solar Heating & Cooling; 3, The Importance of Architectual Design; 4, Passive Solar System---The Simplest of All; 5, Active Liquid Systems; 6, Active Air Systems; 7, Heating Water for Kitchen, Bath & Laundry; 8, Cooling with the Sun; 9, How to Heat Swimming Pools; 10, Making a Liquide Collector; and, ii, Making a Hot-Air Collector.