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| I built this greenhouse last summer/fall. I started building it in early August and finished it in mid October. I'm actually still adding things to it (in the process of adding an exhaust fan and intake damper). The greenhouse is framed with a 3/4" PVC skeleton. The end walls are treated lumber. I also have a 4x6 beam that runs down the center with 2 posts that are cemented into the ground. In the back I have a concrete room built that has a metal roof. In this room I have a barrel stove that I use to heat the greenhouse. There is one layer of poly on the outside of the PVC skeleton and another layer on the inside -- so there is an air gap between the two layers. So far the greenhouse has been through 50 mph winds, heavy rains and heavy snow. The snow slides right off the plastic and never accumulates. Here are some pictures. Outside looking at greenhouse tonight.
Standing at doorway looking in.
Wireless router (yes I ran a network cable out there!!), wireless temp receiver (puts temperature on website every 10 mins for me to monitor), and one of my thermostats (I have 3 of these stats -- each one controls a 1500 watt electric heater that I use for backup heat for when I can't stuff the wood stove).
Exhaust fan. I'm still waiting for intake damper to arrive. Exhaust fan will kick on at 85 degrees -- this will also be controlled by a stat).
Croton, ficus sylvie, musa basjoo and other stuff.
Mandarin orange tree.
Meyer lemon tree in full bloom.
Late December strawberries.
Wood stove that uses outside air for combustion.
Inner layer of poly is held up by strings which are stretched tight across the length of the greenhouse. I use bungees where it bends down for extra support in the corner.
Almost 66F inside and it's 24F outside. Nice!
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Follow-Up Postings:
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| Nice! I hope you ran some big wire to power that baby! Those heaters will be pulling 37.5 amps plus your lights and other stuff! |
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- Posted by Cole_Robbie none (My Page) on Sun, Dec 30, 12 at 11:55
| The "snow slides off easily" roof is nice to have this winter, isn't it? I have swept a lot of snow off mine by hand. Nice job, everything looks great. |
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| Looks great! Nice way to enjoy winter. Ours is an unheated cold house for veggies. |
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| Very impressive, you've done a great job! Kevin |
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| Nice set up! Looking forward to see how your greenhouse fairs the middle of winter. Envious in Iowa!!! Thanks for sharing your ideas and photos! |
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| Oh, that December strawberry, wow! Of course if I had that, I would probably be so reluctant to pick it that it would rot before I could take the plunge. Beautiful setup! I always love the image of a lit greenhouse at night. So cozy and productive. :) |
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| Great idea for the attached cement room for the wood stove. I don't use my greenhouse in the winter, but if I had seen your idea sooner, I might have changed my mind! We have more wood down from last July's huge wind storm than we'll use up in our lifetime. Nice set-up! |
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- Posted by trianglejohn z7b NC (johnbuettner@hotmail.com) on Wed, Jan 9, 13 at 16:29
| Are those two tables covered in palm seedlings??? Whatchagonna do with all of those? I love heating with wood. It keeps the air dryer in my greenhouse. I have not had to fight any sort of rot or fungus because of it. Now that I have mastered the art of fire making I can get up to 25 degrees above outdoors if I need to. My space is larger, which makes heating harder. I have discovered that if you set up a simple greenhouse within the big greenhouse I can keep that area super warm. |
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| Looks great, I am looking to build a greenhouse this year. Looking for ideas to build as well as an energy saving way to heat it during the cold North Dakota Winters. |
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| Yes, they are palm seedlings. Here is another update. I spent yesterday working in the greenhouse making several improvements. It was a cold 18 degrees outside, but with the wood stove in the greenhouse fired up, it was a comfortable 75-85F inside. |
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| great job. It really has come along nicely! Mike |
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| Really neat! Looks like you are very good at figuring out how to build what you need. Do you sell your tropical plants? Or is there another purpose for them all? (not that anyone needs a purpose to have plants that you love!) |
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- Posted by rjbowinkle 6 (My Page) on Mon, Jan 28, 13 at 9:24
| I too spent the summer building a greenhouse. I have an album of photos on Flickr. http://www.flickr.com/photos/bowinkle/sets/72157631286705184/ |
Here is a link that might be useful: The Greenhouse
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