HVAC Glossary

Common Residential HVAC System Terms and Definitions

  • For a homeowner, many residential HVAC terms can be obscure or difficult to understand
  • By understanding these terms, homeowners can be empowered in discussions with their local HVAC dealers
  • This guide covers equipment, efficiency ratings and other key terms

Heating, ventilation and air conditioning (HVAC) terminology can be confusing – and for good reason. With a variety of acronyms and an abundance of industry-specific language, it can feel overwhelming. But this guide to common residential HVAC terms will help you understand what many of those numbers and phrases actually mean.

Residential HVAC System Equipment

Unit Components

Efficiency Ratings/Measurement

Other Common HVAC Terms

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Have Additional Questions?

Your local YORK® dealer is your best source for information, tips and advice about your home comfort system. They can also answer any questions you may have about proper operation and maintenance. Visit our dealer locator page to connect with your local dealer.
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