The Preferred BW3 Boiler is our most versatile gas-fired, radiant heat system, engineered with an up to 84.4% AFUE rating for outstanding energy efficiency. Rugged cast iron construction and compact design make it a value-add fit for any home.

Preferred Series BW3 Boiler

    • Up to 84.4 AFUE.
    •  Cast iron heat exchanger.
    •  Gas-fired models.
    •  Stainless steel/titanium alloy composite burners.
    •  Fiberglass insulated casing.
    •  Small, compact design.
    •  5-year parts limited warranty and a 20-year parts limited warranty on heat exchanger section.
    • BW3A

35 years of servicing our community.

© 2020 by Gartner HVAC. 


Phone: 847-965-9645 


4543 Oakton

Skokie, IL 60076


Mon - Fri: 7am - 5pm

​​Saturday: Closed

​Sunday: Closed

Emergency 24hrs Service Available.


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