camelot-forum.co.uk

Part of me remembered Canada today, thus the Canadian news posts..
Its a good piece, good luck to the fellow.

https://www.cbc.ca/news/canada/calgary/ ... -1.6289155

A former geologist imports a popular Chinese model to grow veggies year-round in Alberta's harsh climate

Olds, is north of Calgary.
Wiki temp info.. https://en.wikipedia.org/wiki/Olds%2C_Alberta

That's an impressive greenhouse, be good if you could get them on a smaller scale.

Podcast on the passive greenhouse.

https://rr2cs.ca/podcast_/2/

& His YouTube page
https://m.youtube.com/channel/UCgs_cmCc-3Nczf6_RQpqmYg


Looks like Eden North is employing some of this on a larger scale with their layered system (gas filled)

Fintray wrote: ↑Tue Feb 01, 2022 7:28 pm That's an impressive greenhouse, be good if you could get them on a smaller scale.

Well , the design idea could be coppied and more research in the www and , built similar on a diffrent scale

My first try probably 14 years old now , was this one attached to the log cabin in Ireland , was also our tumble dryer , passiv heating into the house , and a greenhouse , in the ground i placed 4 inch drainpipe and a strong direct PV driven ventilator to suck the top and very warm air into the ground to cool the growing room but warm the soil ...

Well as i said it was more like an experiment and the 2 inch plastic pipe frame is not strong enough ( see the bends ) , i was there last Oktober , still standing but the polytunnel plastic foil is at its last legs ....
I guess on can get galvanized steel pipe rolled/bent to the right frame , or reinforce those platic tubes
I think i paid about 800 Euro for the whole lot (material only )