411 Mason Street
Onalaska, WI 54650
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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. L.B. White also carries a wide range of products for greenhouses including evaporative cooling systems, doors, motors, pumps, filtration, and plumbing supplies.