Surveys the various systems of solar conversion, insulation, wood stoves, and humidity controlTypes of Thermostat Units The units come in a variety of styles and are produced by several manufacturers. There are some units that replace heat- only thermostats, which have two or three wires. Other units will replace thermostats that areanbsp;...
|Title||:||Heating, cooling, ventilation solar and conventional|
|Publisher||:||Creative Homeowner Pr - 1982-01|