Low cost vertical aquaponics

here. Good for growing herbs, but probably not much else.

Also, about winter, there's this from the comments. Sounds like they haven't worked out all the details yet:

This build is in Denver, Colo. Part of the challenge in colder areas is to get the system through the winter. We saw a system that heated the water, rather than the entire greenhouse, and it saved tons of power, especially compared to dirt farms in greenhouses right next door.