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Dutch · April 9, 2018

Hi FourOaks,
I heat my 10'x20' greenhouse with a Mr Heat Big Buddy propane heater. The heat levels are 4,000 on low, 9,000 on medium and 18,000 on high. I am able to keep the night time temps in the greenhouse above 40F with the heater on low if it doesn't get any colder than 20F outside and on medium when the outside temp gets to the low teens.
The key for me was using a dropped canopy ceiling inside. Without the canopy the most I could raise the temp in the greenhouse was a degree or two with the heater on high. I just took some pictures between the snow squalls. It is in the upper 20s outside and heavily overcast. The greenhouse is almost 60F inside with the heater on low.
MrHeatBigBuddy.JPG
InsideGreenhouseTemp4-9-18.JPG
InnerCanapy.JPG
Dutch

April 9, 2018	#36
Dutch Tomatovillian™ Join Date: Jan 2011 Location: S.E. Wisconsin Zone 5b Posts: 1,831	Hi FourOaks, I heat my 10'x20' greenhouse with a Mr Heat Big Buddy propane heater. The heat levels are 4,000 on low, 9,000 on medium and 18,000 on high. I am able to keep the night time temps in the greenhouse above 40F with the heater on low if it doesn't get any colder than 20F outside and on medium when the outside temp gets to the low teens. The key for me was using a dropped canopy ceiling inside. Without the canopy the most I could raise the temp in the greenhouse was a degree or two with the heater on high. I just took some pictures between the snow squalls. It is in the upper 20s outside and heavily overcast. The greenhouse is almost 60F inside with the heater on low. MrHeatBigBuddy.JPG InsideGreenhouseTemp4-9-18.JPG InnerCanapy.JPG Dutch __________________ "Discretion is the better part of valor" Charles Churchill The intuitive mind is a gift, and the rational mind is a faithful servant. But we have created a society that honors the servant and has forgotten the gift. (paraphrased) Albert Einstein I come from a long line of sod busters, spanning back several centuries.