Air Conditioning, Heating & Refrigeration Institute
American Society of Heating, Refrigerating & Air-Conditioning Engineers
Sheet Metal Workers International Association Local Union 66
Sheet Metal & Air Conditioning Contractors' National Association Western Washington
Washington State Department of Labor & Industries
Western Washington Sheet Metal Joint Apprenticeship Training Center
Common Heating & Cooling System Components
Air Conditioner — Also known as a condenser, this exterior unit is paired with a coil (also known as an evaporator) to comprise the system that cools the air in your building.
Furnace — This interior unit heats and circulates air throughout a structure's ducts.
Thermostat — This is the temperature control center of your heating and cooling system.
Components That Improve Indoor Air Quality
Germicidal UV Light — Uses UV technology to continuously sterilize and purify the indoor air you breathe and significantly reduce environmental stressors on your immune system.
Central Humidifier — Maintains the proper level of moisture in your building, which reduces static electricity and helps you feel warmer in winter and more comfortable year round.
Energy Recovery Ventilator — An indoor air quality component that brings fresh outside air into your space while expelling stale air.
Electronic Air Cleaner — Additional filtration intended to reduce airborne allergens, providing better air to breathe.
THINKING ABOUT REPLACEMENTS OR UPGRADES?
How to Tell if You Need a New HVAC System:
|• Your System is More Than 7 Years Old
• Your Current System Requires Frequent Repairs or Stops Working
|• Some Rooms are Consistently Too Hot or Too Cold
• Your Utility Bills Are High
|• Your Current System Runs Excessively or Constantly Turns On and Off