Are You Up to Date on the Newest HVAC Terminology?

Homeowners don’t need to know everything about their HVAC system to use it properly, but it doesn’t hurt to stay up to date on common HVAC terminology. There are dozens of terms that you could learn, but we’ve picked out some of the most important.


This term generally encompasses anything related to the heating and cooling of your home, including thermal, solar, and wind. You’ll see us use this all the time and it stands for heating, ventilation, and air conditioning.


This HVAC terminology stands for British Thermal Unit and refers to the amount of energy needed to increase a pound of water by a single degree. This measurement of heat will basically tell you how powerful an air conditioner is, but there are other factors at play too.


This piece of equipment removes heat from your HVAC system and is generally located outdoors. It can get clogged up because it’s outside, which is why it often shows up on summer HVAC maintenance to-do lists.


This unit is separate from your air conditioner and is tasked with removing excess moisture from your home’s air. This is often used by people with a sensitivity to airborne particles or by people who have various breathing abnormalities.

Energy Star

This HVAC terminology describes a certification is provided by the Environmental Protection Agency for energy-efficient equipment. Look for the Energy Star sticker whenever you’re shopping around for a new unit. You’ll pay a little more, but you’ll make that up with lower monthly utility bills.


This refers to the conduit that delivers air from your HVAC system to each room of your home. It must be properly sized and maintained to ensure that your heating and cooling efforts aren’t in vain.


Your thermostat is what controls the temperature of your home and determines when the HVAC system is running. Programmable and smart models give you more control over the settings, energy-usage reports, remote access, and other options.

Zoned System

A traditional HVAC system conditions your entire home while a zoned (or split) system sections off different areas. This allows you to concentrate heating and cooling efforts in designated areas, thereby lowering your energy bills.

For more HVAC terminology or any other questions, contact the experts at NisAir Air Conditioning and Heating. We’ve been serving Martin, Palm Beach, and Indian River counties since 1973.

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