Troubleshooting Air Condition Ventilation

Here is my understanding of a HVAC system. I am not a professional, just documenting this and sharing my knowledge. Any comments is appreciated. Thanks for watching. Some asked where to buy a good HVAC book? I bought a few on Amazon. The following link goes to Amazon's HVAC books. http://goo.gl/261FT

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• #fix
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• #howto