Products

Looking for a no-fuss, passive, way to keep your DIY greenhouse ventilated? Or maybe you have a shed or other building that needs passive air cooli...

These are the controllers that take the wiring and the guess work out of environmental control. Choose for cooling or heating (or get both).  This ...

Want a reliable and economical way to control a light greenhouse or cold frame top hinged roof vent? The Univent Automatic Vent Opener does just th...

Need precise but economical temperature control for your greenhouse heating or cooling equipment? A familiar design, this Wall Thermostat makes it ...

Need a thermostat that can handle greenhouse humidity that will last countless trouble-free years? This Waterproof Thermostat is built to work in h...

Are you in an extra windy area or do you just need to keep rain and debris from coming through your greenhouse fan? This Weather Hood is designed t...