Warm and Cool Homes

Field Guides

Nine free, printable field guides for hands-on exploration of energy and the natural world — built for the classroom, the backyard, or anywhere curiosity strikes. Each one dives into a different piece of how we power our lives.

The First Fuel: Energy Efficiency
Reading the Sun: Solar Resource and Passive Solar
Heat from the Sun: Solar Thermal
Electricity from Light: Photovoltaics
Catching the Wind
Heat from Below: Geothermal
The Water Battery: Hydro and Tidal
Energy from Plants: Biofuels
The Grid and Storage

Download any guide below to get started.

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