This is the chiller design we recommend for general purpose use. It can be
very inexpensive to make as an outdoor chiller, i.e. - one that you do not have
to worry about leaking. Smaller diameter dryer vent hose as well as a smaller
trash can is a good way to make this chiller fit in tighter spaces but still get
great results. The link below gives more detail and instructions on how to
build.
http://ghostsofhalloween.com/projects/fog_chiller/
Here is another link with information on different types of Fog Chiller
Designs:
http://wolfstone.halloweenhost.com/HalloweenTech/fogchl_FogChiller69.html
We will be adding our final design to this page soon as we have a few
modifications that make it easier to use year after year.