You can have it all, comfort, efficiency and durability

With American Standard Heating & Air Conditioning, you’ll never have to sacrifice efficiency to experience a higher standard of home comfort. That’s because American Standard craftsmanship ensures that every gas furnace we make is built to exacting levels of performance. So you can be sure they will deliver a higher standard of comfort for you and your family.

Premium Features:

  • Durable hot surface igniter – Starts burner electronically for safe, efficient operation. This eliminates the need for a fuel-burning pilot light.
  • Two-stage gas valve – Results in greater efficiency by using just the right amount of fuel for each stage, providing morecomfort with lower, longer run times and reduced temperature swings.
  • Variable-speed ECM blower motor with Comfort-R™ – Operates at a lower, more efficient speed than conventional blower motors, while our exclusive Comfort-R™ feature ensures greater humidity control during cooling.
  • Vortica® II Blower – Designed exclusively for American Standard, performs quietly and efficiently in both heating season and cooling season.
  • Stainless steel primary heat ex-changer – Withstands higher temperatures, resists corrosion, and is efficient at heat transfer, while improving airflow efficiency in both winter and summer.
  • Secondary heat ex-changer – Extracts even more heat from the combustion process and is made of corrosion-resistant 29-4C stainless steel.
  •  Heavy steel insulated heat ex-changer cabinet. Durable, quiet design holds more heat in the furnace to better warm your home.
  • Multi-port in-shot burners – Perfectly shape the flame cone to maximize heating while using less fuel.
  • Two-speed draft inducer – Works seamlessly with the two-stage gas valve to enhance efficiency, comfort and reliability.
American Standard S-Series Furnace
American Standard S-Series Furnace
American Standard S-Series Furnace
American Standard S-Series Furnace
American Standard S-Series Furnace

Sub Zero is a family-owned and operated mechanical contracting business.


636 Charlotte Street Duncan, BC, V9L2V6



Serving the HVAC needs of Vancouver Island and the Gulf Island communities with honesty and integrity.