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May 25, 2019

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Dept. of Energy article on Whole house fans.

September 16, 2017

 

There is some useful information in this article about Whole house fans and how they work. The last bit about using your existing Hvac system to ventilate your home is inaccurate however. 

You cannot use your closed Hvac system to ventilate. It can only recycle the air in your home. 

 

https://energy.gov/energysaver/cooling-whole-house-fan 

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