Simple, DIY greenhouses may not have heat pumps or ... Before winter hits, you should also check on the greenhouse’s water systems. Drain both the hot and cold water tanks and reset the pressure.

But in a greenhouse, it's common to have a mix of plants, often from diverse ecosystems and with varying sun and water requirements. Because of this, many growers opt to build lighting systems in ...

There’s also [Instrument Tek]’s similar 10’x10′ greenhouse Arduino based system that, in addition to fan and watering control, also controls heat and has wireless communication to a remote ...