A GLOSSARY OF HVAC, HEATING & AIR CONDITIONING TERMS

Aerosol: An assemblage of small particles suspended in air

Agglomeration: The formation of larger airborne particles by the collision of two or more smaller particles

Air Flow: Quantity of air passing through a given cross sectional area at a stated velocity

Allergen: A biological or chemical substance that causes an allergic reaction

ASHRAE: American Society of Heating, Refrigeration and Air Conditioning Engineers

CADR: Clean air delivery rate

CFM: Cubic feet per minute

Dander: Small scales of animal skin

Dehumidify: To remove water vapor from an air stream

Dust: An aerosol of particles of any solid material

ERV: Energy Recovery Ventilator. A device that brings fresh air into the home, exhausting the same volume of air from the home

FPM: Feet per minute

HEPA: High Efficiency Particulate Air. These filters must have an efficiency of 99.97%

Humidifier: Device used to add moisture to air

IAQ: Indoor Air Quality

Ozone: A gas whose molecules are composed of three oxygen atoms. It is significantly toxic

Particles: Very small solid or liquid substances that are light enough to float in air

PPM: Parts per million

Radon: Radioactive pollutants which originate from rock, soil or groundwater

ULPA: Ultra Low Penetration Air. These filters have efficiencies of 99.999%

VOC: Volatile Organic Compound. VOCs are typically emitted from housekeeping and maintenance products

 

REVIEWS


We're proud to receive Angie's List (now Angi) Super Service Award for the fourth year straight. Find out what others are saying about us!

 


 

INCENTIVES


Sigman Heating & Air Conditioning is a registered Program Ally of the Ameren Illinois Energy Efficiency Programs.

 


 

FINANCING

SIGMAN HEATING & AIR CONDITIONING

6200 Old St. Louis Road
Belleville, Illinois 62223 US

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Ph: 618-234-4343
MO: 314-436-2600

sales@sigmanhvacr.com

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