Annual Fuel Utilization Efficiency applies to furnaces – both gas and oil. It describes the percentage of heat produced for every dollar of fuel consumed.
The Air Conditioning, Heating, and Refrigeration Institute is the authority on HVAC ratings such as SEER, EER, HSPF, and AFUE
The process of installing dampers in ductwork to direct airflow throughout a building. The dampers allow the contractor to adjust the amount of air that enters a Room.
An IAQ control strategy to remove various airborne particulates and/or gases from the air. The three types of air cleaning most commonly used are particulate filtration, electrostatic precipitation, and gas absorption.
A device used to control temperature and humidity of the air.
In HVAC it is the control of the quality, quantity, and temperature-humidity of the air in an interior space.
Air Handler or Air Handling Unit (AHU)
Used instead of a furnace for electric heating applications. The equipment that includes a blower or fan, heating and/or cooling coils, and related equipment such as controls, condensate drain pans, and air filters. Does not include ductwork, registers or grilles.
A substance capable of causing an allergic reaction because of an individual’s sensitivity to that substance.
The air external to a building or device.
A fan mounted on an attic wall used to exhaust warm attic air to the outside.
HVAC term for a passive or mechanical device used to ventilate an attic space, primarily to reduce heat buildup and moisture condensation.