This is my greenhouse & I love it. 8' x 12' EasyGrow from Costco.
It is attached to a treated wood frame, which is secured to heavy duty augurs to keep it anchored in place
I put a thick landscape fabric and about 4" of small gravel for the floor
I have a Little Buddy Mr. Heater (propane) that has 2 setting 5000 BTU & 9000BTU. This isn't quite enough heat to heat a 8'X12' GH. This heater has a pilot light, no fan, and a low oxygen sensor - which means it will go out in the middle of the night with out air circulation.
So now I also have an electric heater that on high heat/fan it is 3000 BTU.
Last Oct, I had run 2 electric lines to the greenhouse. This is very cool. No extension cords & now I have extra plugs and I can have a circulating fan up high to circulate the heat.
