Here is an update on my greenhouse.  Many of you have been a great help.  So I thought I could get some more ideas.  The shell is pretty much done (aside from a little trim work and flower boxes my wife wants).  Also, the door needs finished.  More importantly - I need to figure out a ventilation system.  As you can see the greenhouse isn't very big.  The calculators they have say I only need around a 1000 cfm fan.  Should I buy a more powerful one?  Or is too much air circulation bad?  I'm hoping to use this to try and get an early start to the season and extend ripening time.  My wife has a million other ideas.   Thanks..Tony


 

Looks great. I just bought a Riga 7 x 7.

Tony,

That is a great looking greenhouse A+.

I am still fighting with the county about mine........government (rolls eyes).

Very clean work! I am fantasizing about building a little green house my self with all the left over wood from building our house. Your giving me some ideas, thanks!

Hey Wills, when big brother finally shuts you down I will gladly come pick up all your green house building material;)

Tony, Good job! It looks awesome!

No reason to go over one air exchange per minute if exhaust fan and intake are properly positioned. The fan needs to be as high as possible. That will be the warmest air and needs out. Cool intake air needs to come in down low. If that's not enough then go with shade cloth. Figs like it hot so a good fan should do the job.

Actual air movement will be less than advertized as with most things. And the more air resistance the lower the flow.

That greenhouse has style, I like, thumbs up!

LOL, good point Wills! I will be able to put one in, but Im sure she will have some input on how, where and what it needs to be. I wear the pants, she just tells me what size and color to wear;)

lol:)  

Tony , that is one great looking greenhouse!  Enjoy!

Very nice :)

Very nice greenhouse!

Thanks for all the positive feedback. It was fun to build with my kids - and we were able to recycle a lot of windows, wood, etc.

But I don't know anything about proper ventilation. So those of you who know please give me some specifics of what I need? Where is best place to get the equipment. And a good fig that likes it hot. Thanks..Tony

Very nice indeed.

Here is an idea for a DIY blower. Probably don't need it for a greenhouse, but it's a low cost solution. I'm building an autoclave to pasteurize straw and sawdust for raising mushrooms and it takes a high pressure blower that I pretty much have to make myself.

I'd get a 12, 16, or 20 inch fan here:  http://www.greenhousemegastore.com/product/shutter-fan/greenhouse-cooling

Since cost and amperage will be similar you might as well get at least the 16 inch. They are variable speed so can be turned down. They also can be bought as a kit with an intake shutter. Put the fan as high as possible and intake as low as possible and on opposite side.

Tony, Check out this link. It's his favorite fig for the greenhouse.
http://figs4funforum.websitetoolbox.com/post/best-100-greenhouse-grown-fig-6561610?pid=1279841830#post1279841830

calculate CFM
http://www.littlegreenhouse.com/fan-calc.shtml

Nice work.
Will double as your "dog house" when the wife gets mad, lol.

Would consider something for drainage along the front of
your greenhouse, going to get soggy there after a rain,
and eventually work its way under your structure.
Coat all interior wood with some water sealant or stain.
Might want to consider a small oscillation fan along with your intake fan.

I might be living in the all the time then.

Maybe I'm being thick? Do I need an intake fan too? I just thought I needed an exhaust fan and a intake shutter (either with or without a motor). I didn't think the intake had a fan. Then a thermostat control. I will also put in an oscillation am just to love some air around. But I really don't know.

You need an exhaust fan and possibly an intake shutter. The intake could be an open door. But having an intake shutter allows automation of the whole system. It opens and closes as needed.

One of these packages would work, possibly the 1620:  http://www.greenhousemegastore.com/product/hobby-ventilation-package/greenhouse-cooling


The 1212 would probably work but the bigger package isn't much more.

Notice both intake and exhaust have a shutter. That's needed in rainy conditions.

Hey Tony,  You should put that Chiappetta that I gave you in your greenhouse. The one that I left in my greenhouse has been awesome. The figs are smaller than the ones on the outside, but they are so sweet. I think this tree performs better in a drier environment.

Might be a good idea. But before I realized I was going to get so fig crazy I built 2 big fig boxes out of my old deck. They each hide a plastic barrel inside. They look ok but moving them (more than just winter storage) might be difficult. The chiapetta is doing well though. Here are a few photos. I hope they ripen! The other one has the conandria in it. It looks great - best grower of them all. But it only 3 or 4 figs?

Tony,  They are growing good! Hopefully they ripen for you.