
HEAT WAVES
Before the predominance of air conditioning,
swamp (evaporative) coolers were a common
solution (Figure
Y
). DIY swamp coolers are an
easy build and can be battery or solar powered.
backyardboss.net/diy-swamp-cooler,
makezine.com/projects/rem-hist-air-conditioning
and youtu.be/aHbQYajfGqM
DEEP FREEZES
Emergency heating often carries the risk of
carbon monoxide poisoning. Build a DIY CO
detector. hackster.io/greenpak/diy-carbon-
monoxide-detector-03a5cf
There’s no substitute for learning how to
dress warmly in the first place (no cotton!)
commonsensehome.com/best-cold-weather-
clothing
And pack your winter car kit now!
familyhandyman.com/list/things-you-need-in- ...