Our Most Efficient and Comfortable Gas Furnace

YP9C 98% AFUE Modulating Gas Furnace With Variable-speed, Constant CFM Blower

  • ENERGY STAR® Most Efficient qualifying efficiency up to 98% AFUE provides more heat for less cost.
  • Modulating burner design continuously adjusts heating level in small increments to match the degree of comfort you need precisely.
  • Variable-speed ECM fan motor provides quiet, efficient circulation.
  • Integrated ClimaTrak™ Comfort System tailors operation to the needs of your locale.
  • Lifetime heat exchanger, 10-year parts and 1-year labor limited warranties ensure years of dependability with industry-leading quality.
10 Year AssuranceConsumer Best BuyGood HousekeepingEnergy Starlife time heat exchanger warranty10 year parts warranty1 year labor warranty

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Tech Specs

Affinity™ Series




ClimaTrak™ Comfort System



Fan Motor:

Variable-speed ECM Blower Motor with Modulating Burner


60 - 120 MBH Input

Efficiency Rating:

Up to 98% AFUE

Energy Star:


Parts Warranty:

10-Year Parts Limited Warranty *

Other Warranty:

Lifetime Heat Exchanger Limited Warranty *

*Lifetime heat exchanger, 10-year parts and 1-year labor limited warranties require online registration within 90 days of installation. Otherwise, warranties revert to the standard 10-year heat exchanger and 5-year parts limited warranties.

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