A motor that automatically adjusts the flow of warm or cool air for ultimate comfort. Ventilator

A method of partitioning a home into independently controlled comfort zones for enhanced comfort and efficiency. Back to top

Provides two levels of heating or cooling output for greater temperature control, energy efficiency and improved indoor air quality. Upflow

Usually found on an inside wall, this device operates as a control to regulate your heating and cooling equipment, allowing you to adjust your home comfort at the touch of a switch. Ton

A heating and cooling system contained in one outdoor unit. Back to top

An HVAC system in which some components are located inside the structure of the house and some are located outside. Split systems should be matched for optimal efficiency. Thermidistat

A chemical that produces a cooling effect while expanding or vaporizing. Most residential air conditioning units contain the standard R-22 refrigerant, or Freon. Refrigerant Lines

A specially designed compressor that works in a circular motion, as opposed to up-and-down piston action. SEER

A thermostat with the ability to record different temperature/time settings for your heating and/or cooling equipment. Back to top

A unit of measure equal to one millionth of a meter, or one thousandth of a millimeter. Odors/Chemicals