Besides growing veggies and such a sun room can help heat your house. My uncle had one in NV and heated his house with it nicely in winter.

Your girls are looking good.
rudy2010 Reviewed by rudy2010 on . Sunroom Grow I'm on day 6 of my very first grow, which I'm doing in a south-facing sunroom that's 8' wide and 20' long. The windows are single-pane, untreated glass 6 1/2 feet tall, and I have been using this sunroom to grow winter veggies (tomatoes, peppers, okra, herbs, eggplant, etc.) very successfully. My setup is very simple. I got a dozen or so 4-gal kitty litter buckets off Freecycle, which I filled with 10" of Miracle-Grow pre-fertilized potting mix. Yeah, I know that's not recommended, but I've Rating: 5