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A cozy family gathering, a relaxing evening, a quiet winter morning - your comfort needs change throughout the day. That’s why York® invented the 33-inch Affinity™ modulating gas furnace to match your comfort level more closely by varying the heating rate continuously and precisely.

Small in stature. Big on efficiency.
  • The Affinity gas furnace is easy to install and offers you precise temperature control and heat regulation so you’re always comfortable.
  • Affinity comes with a 10-year guarantee on parts for your peace of mind, along with a lifetime warranty on the heat exchanger to warm your heart.
  • At just 33 inches tall, Affinity is the most compact unit in its class.

The hottest furnace around.

  • The Affinity gas furnace was rated as a “Best Buy” by the highly respected Consumers Digest magazine.
  • Affinity was a Gold Medal Winner for reliability and superior efficiency at the 2009 Dealer Design Awards.
  • Affinity’s Annual Fuel Utilization Efficiency (AFUE) of 98% makes it one of the most efficient gas furnaces in the industry.
  • As an Energy Star-rated furnace, Affinity reduces your energy costs by close to 40% compared to furnaces 20 years or older.