Think of solar greenhouse heaters as a way to supplement existing heating systems. They're out there, but some assembly may be required.

Researchers in Canada found that 69%-transparent crystalline silicon semitransparent PV modules can improve tomato greenhouse yields by up to 38% while maintaining healthy plant growth through ...

But oftentimes, the heat comes from burning propane, which is expensive and warms the climate. Tim Clymer, co-owner of Threefold Farm in Pennsylvania, says he’ll sometimes drive by a commercial ...