Biodiesel is an eco-friendly alternative fuel made from vegetable oil. Biodiesel is much cleaner than fossil-fuel diesel.

The BRAC system recycles the greywater from the shower, bath and laundry, filters it, and reuses it for the toilet tank

The BRAC system recycles greywater from the shower, bath and laundry, filters it, and reuses it for the toilet tank

The Tempra unit completely replaces a conventional tank-type heater, with no disruptions to your comfort and hot water needs.

Stationary wind meters have not always been available at all sites where they are needed, such as sites for flying model aircraft, para-gliding, sailing, surfing and many other leisure activities.

The SunScope is a super-reflective, maintenance-free natural light system that allows daylight to illuminate your home.

Plain and simple, Kestrel pocket weather meters and pocket airflow trackers are made and tested the most rigid tolerances and standards, each and every Kestrel meter comes fully calibrated, fully certified, completely serviceable and absolutely reliable.

Cooking in a SUN OVEN® is easy, fun, natural, and nutritious, while helping the environment. SUN OVENS® are ideal for everyday use in your back yard, at picnics, while camping, or in the event of a power failure.