L.B. White Company, LLC

411 Mason St
Onalaska, WI 54650

About L.B. White Company, LLC

Greenhouse heaters and greenhouse horticulture heating and cooling systems

The full line of L.B. White forced air greenhouse heating solutions are manufactured to ensure heat goes into the greenhouse, unlike indirect-fired heaters that lose 20% of heat out of the chimney. L.B. White's Therma Grow‚ and Guardian forced air direct-fired greenhouse heating systems are the new standard for efficient, reliable greenhouse heaters. Drying and storing hemp properly is as important as planting and harvesting, so rely on our Premier heat line to help!

L.B. White provides more than a great greenhouse furnace—our technical experts and customer service teams provide expertise and support to create complete heating solutions that protect L.B. White greenhouse heater investments.

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