How heat is generated

Heating · Introduction · printed page 110 (PDF page 111)

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Book index entries

Heat – How It Is Generated

Text in the illustration

outdoor coil
indoor coil
heat pumps
geothermal
solar heating
corn, sawdust, coal, peat
electricity
wood
fossil fuels:
-oil
-gas
-propane

Generated explanation

The illustration presents several sources and methods of residential heating. A house with connected indoor and outdoor coils represents heat pumps, while a volcano and the sun symbolize geothermal and solar heating. Piles of fuel are labeled corn, sawdust, coal, and peat. An electrical service connected to a house represents electricity, a burning fireplace represents wood heating, and a drilling derrick represents oil, gas, and propane. This is an informational overview rather than an installation detail or a depiction of defects.

Components

heat pump indoor coil outdoor coil coil connecting lines electrical service pole overhead electrical service conductors fireplace fireplace grate drilling derrick

Materials

corn sawdust coal peat wood oil gas propane