Gas Furnace – 95% WFSU-B

GrandAire residential equipment is AHRI-Certified and ensures year-round comfort. We offer a full line of heat pumps, air conditioners, furnaces and package units that are built to last and environmentally friendly. No matter what your needs, GrandAire has the right fit for you.

Gas Furnace – 95% WFSU-B

Experience superior comfort and efficiency with our high-performance WFSU Gas Furnace. This unit is designed with enhanced diagnostics, providing an easy-to-read 3-digit display for faults and status. With up to 95% AFUE, you can count on efficient and economical heating. The furnace is approved for installations up to 5,400 ft and supports two-stage cooling units, offering versatility for various climates and home sizes. It features an insulated heat exchanger and blower compartment for improved energy efficiency. Importantly, it meets the ultra-low NOx emissions limit of 14 nanograms/joule, making it an environmentally friendly choice for homeowners in the South Coast Air Quality Management District and San Joaquin Valley Air Pollution Control District in California.

Our Gas Furnace is built to last, featuring a stainless steel tubular heat exchanger and a stainless steel secondary heat exchanger. The enclosed pre-mix burner with variable speed inducer ensures reliable and efficient operation. The furnace is equipped with an adjustable heating blower OFF delay and a factory-set blower ON delay, providing you with customizable comfort. The high-temperature limit control is designed to prevent overheating, ensuring safe operation. The pilot-free, hot surface igniter offers reliable ignition, and the high-quality, corrosion-resistant, prepainted steel cabinet ensures durability. With our 1-Year No Hassle Replacement™ Limited Warranty, 5-Year Parts Limited Warranty, and 20-year Heat Exchanger Limited Warranty, you can have peace of mind knowing your investment is protected.

FEATURES & BENEFITS

  • Enhanced diagnostics with easy to read 3 digit display for faults and status
  • Up to 95% AFUE
  • Approved for installations up to 5,400 ft.
  • Supports two-stage cooling units
  • Insulated heat exchanger and blower compartment
  • Ultra Low NOx – meets the nitrogen oxides (NOx) emission limit of 14 nanograms/joule for the South Coast Air Quality Management District and San Joaquin Valley Air Pollution Control District in California.
  • Cabinet air leakage less than 2.0% at 1.0 in. w.c. and cabinet air leakage less than 1.4% at 0.5 in. w.c. when tested in accordance with ASHRAE standard 193
  • 1-Year No Hassle Replacement™ Limited Warranty *
  • 5-Year Parts Limited Warranty *
  • Additional 5-Year Parts Limited Warranty upon timely registration *
  • 20 Year Heat Exchanger Limited Warranty *

      * See warranty certificate for details and restrictions

      SPECIFICATIONS

      • Stainless steel tubular heat exchanger
      • Stainless steel secondary heat exchanger
      • Enclosed pre-mix burner with variable speed inducer
      • Adjustable heating blower OFF delay
      • Factory set blower ON delay
      • High temperature limit control designed to prevent overheating
      • Pilot free, hot surface igniter
      • High quality, corrosion-resistant, prepainted steel cabinet