BioThermŽ - The invention that changed modern growing
Since 1980, growers have enjoyed supreme on-bench temperature control using BioTherm microclimate heating systems. Now, our original product has evolved! Roll-N-Grow mat makes installation a snap - just roll it out, connect to the hot water source, and stand back and watch your plants thrive!

Take this challenge!

Heating Efficiency Calculator


What is your greenhouse efficiency?

Take this simple challenge to find out where you are. Just answer the following questions to see how efficient your greenhouse is.

Please note that this is a rough gauge of how efficient a greenhouse is looking at only a few parameters.

What is your total greenhouse production area?


Area to be tested?


Type of fuel that you use:


Average cost of gallon or therm?


Tell us the type of system you have:
Boiler System
Unit Heater