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You are here: Home > Fans & Ventilation Systems > Cooling Fans > Heyoka fans

The Comfort Stream is the only whole house comfort ventilator that we sell.  It offers a unique, distributed approach to hybrid, natural cooling.  It is the only whole house comfort ventilator that is designed to be vented directly to the outside.  We are proud that Comfort Stream is Certified by HVI and included on California's Title 20, Appliance Efficiency List.  (Ask other manufacturers when their fans will be Certified and Listed.)  Please check out the details and call us if you have questions.

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Fantech Positive Negative Pressure Fan Contol
Positive/Negative Pressure Fan Control
MSRP $55.00
Our Price: $43.75
You save $11.25!

Fan Proving Switch;
Positive/Negative or Differential Pressure Control Kit;
Can be used to control a zoning booster fan, dryer booster fan or to control a signal light indicating that a radon mitigation system has failed.
Motorized zoning damper and fan control for dual dampers and AC switched control
Heyokavent-120CB2
Price $108.00

This is a zoning, motorized damper control for two dampers and a booster or in-line fan.  Provides 24VAC plug-in control for two damper with RJ-11 plug in's and a switched receptical for the fan.