During the winter months one of the features in the Arcosanti cafe is the ‘Heat Sock’. This is a tube of sturdy fabric that is suspended under the large skylight with a fan above it.

[photos by Sue Kirsch]

Here is the crew watching as the Heat Sock is slowly pulled up.

New maintenance manager Jeff Fisher is operating the pully system.

The Fan blows the warm air that collects under the skylight down through the Heat Sock to warm the cafe. It actually works quite well.

A steel ring is installed on the bottom with a simple set of velcro tape to keep the Heat Sock in shape.

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