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Frequently Asked HVAC Questions
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HVAC 101
HVAC 101
What is two-stage cooling?
What is inverter, or variable speed, cooling?
What is modulating heating?
Should I zone my house?
What is AFUE?
What is HSPF?
What do all those air conditioner and heat pump ratings mean?
What Is a "properly matched" system?
What Is an AHRI-matched system?
Why should I choose an ENERGY STAR® product for my home?
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