I'm interested in starting seedlings mostly and someplace to keep my hanging baskets and brugs when the weather turns nasty in the spring. Here in NE OH our springs are unpredictable....one day hot the next day cold and wet. I'm mostly interested in what type everyone has how sturdy the construction of brands are and how they hold up to windy conditions. I think I'm going to go with either 8x10 or 10x12.

My GH is 10 X 14 and works very well for me. It is cedar framed, twin-wall polycarbonate covered. If one of your considerations is a harbor freight GH, which I believe is available in the sizes you mention, there are literally hundreds of posts all about them on this site. Just check here: http://www.gardenweb.com/gardenweb/query/hfgh/topic=strucs

Thanks!!!!

Regarding harbor freight. too much frustration. If you don't do a ton of mods to it, it will be gone first wind. Also the panels break down fairly quickly. I did a video on some mods I did to mine if you choose to go that way.

https://www.youtube.com/watch?v=WYhQa6GyvCg

Two general comments from my experience long, long, ago.......Get as large a house as you can afford. (without over doing it) The more air you have trapped inside the more efficient the house is to heat and cool which, of course = $$$$$saved.

Also as mentioned above use framing that allows you to easily double wall the house. 4" of trapped air between the outer and inner walls is the best insulation you can purchase.

Bill

I bought a RIGA and love it. It isn't cheap but is very sturdy. I'm an engineer as is my husband and father. All three of us worked to put it up and were impressed with the quality of construction of the thing. (You need 2 people to put it up, 3 just made things easier.) I like the onion sides for allowing the snow to slide off.