Close

Glossary

ZONE/ZONING

A home may be divided into several different areas, or zones, to better control the temperatures throughout the house. The process of dividing your home into different zones is called zoning.  

Read More

WATT/WATTS

Electrical power, also expressed as “W.” For example, a 100W globe consumes 100 Watts of electrical power. The W in Watt is always uppercased, because it is named after a person.

Read More

TON

The ton ratings you see here have nothing to do with the weight of the unit. In fact a ton is simply 12,000 BTUs (see BTU definition on this page). A typical home cooling/heating system uses heat pumps or air conditioners with a capacity of between 1.5 and 5 tons.

Read More

THERMOSTAT

A temperature-measuring device used to control the operation of home comfort systems to maintain a comfortable temperature within the house. Programmable thermostats allow you to program different temperatures for different times of the day.

Read More

SPLIT SYSTEM

A home comfort system that uses an indoor and an outdoor component to deliver comfortable air to a living environment.

Read More

SEER

Seasonal Energy Efficiency Rating. Used to express the efficiency of an air conditioning unit, or a heat pump in cooling mode. The higher the SEER rating, the more efficient the unit. The Department of Energy minimum is 10 SEER.

Read More

REFRIGERANT

The liquid used to absorb and transfer heat from one part of the home comfort system to another.

Read More

PACKAGE UNIT

Equipment in which all heating and cooling components are located in one cabinet. Installed either beside or on top of a home or business.

Read More

KWH

If a unit uses 1,000 Watts in 1 hour, it is said to have an energy rating of 1kWh.

Read More