Is the AC/Heater Running?

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Posted in Technology3D-Printing

Introduction: Is the AC/Heater Running?

About: I am an author and a maker. My current project is Santa's Shop. I'm working on a science fiction type book--more later. @EngineerRigsby

If you want a visual clue that your cooling/heating system is blowing air, just add a fan to a vent.

Print the 3d files from:

http://www.thingiverse.com/thing:479302

Insert a pin into the base, then screw the base onto a vent using the vent's side screw. Rest the printed fan blade on the pin head and the thing will spin like crazy when air is moving through the duct.

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    Clever little device, definitely useful in the summer time to assure the house stays at a livable temperature. Thanks for sharing!