DIY Greenhouse Heating: Full Explanation — Part 1 of 8
In Part 1, I introduce my custom greenhouse heating system and explain how I modified a 30,000-BTU natural-gas furnace. Stainless-steel tubing circulates heated water to the radiant floor while the furnace also warms the greenhouse air. #GreenhouseHeating #DIYGreenhouse #RadiantFloorHeating
Aug 5, 2026