67
Alternative to Air-conditions?
(lemmus.org)
The space to discuss Solarpunk itself and Solarpunk related stuff that doesn't fit elsewhere.
Join our chat: Movim or XMPP client.
The best you can do quickly and for free is to close blinds to let a small amount of light in when its hot, and when it's below 20°, open windows and have as much ventilation as possible. This is easiest and I find that in some rooms it can cool them significantly.