Gas Furnace – 80% WFEU-B** (Ultra Low NOx)

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 – 80% WFEU-B** (Ultra Low NOx)

Our ultra-low NOx gas furnace is an easy choice for California residents in the South Coast Air Quality Management District and San Joaquin Air Pollution Control District looking for a heating solution with reduced NOx emissions. This 80% AFUE furnace reliably heats your home while significantly reducing emissions that contribute to smog, acid rain, water quality deterioration and more. Its reliable single-stage operation and 5 speed blower provide even levels of temperature control for your comfort.

  • 80% AFUE rating

Our ultra low NOx furnace designed for California brings the heat during winter with proven reliability and a 65% reduction in NOx emissions compared to a standard, low-NOx model. 80% AFUE and a multi speed blower motor provide consistent comfort.

FEATURES & BENEFITS

  • Ultra-low NOx emissions – 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.
  • Two-stage cooling capability
  • Four-position furnace: Upflow, Horizontal Right, Horizontal Left, Downflow (6 different vent options)
  • Versatile venting for tight-fit applications
  • Category I venting
  • 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 *
  • 10-Year Parts Limited Warranty upon timely registration *
  • 20-year Heat Exchanger Limited Warranty  *

* See warranty certificate for details and restrictions

SPECIFICATIONS

  • 80% AFUE
  • Multi 18-Speed, Constant Torque (MCT) ECM blower motor
  • On-board NFC antenna makes setup a tap away when using the service technician app
  • Stainless steel, tubular heat exchanger
  • Pilot free, hot surface ignition
  • High temperature limit control designed to prevent overheating
  • Blocked vent switch
  • Noise reduction combustion system, insulated blower compartment
  • Variable speed inducer motor

**Ultra-Low NOx

Specifications

Physical

Blower Motor Type: Fixed Torque
Blower Motor HP: 1/2
Blower Motor Speeds: 5 (Five)
Blower Motor RPM: 1050
Blower Wheel: 11″ x 8
Drive Type: Direct Electronically Commutated Motor (ECM)
Stage: Single-Stage
Maximum Pressure: 13.6
Gas Connection Size: 1/2
Heat Exchanger Type: Stainless Steel Tubular
Ignition Type: Silicon Nitride Hot Surface

Electrical

Cycle: 60
Phase: Single
Voltage: 115
Maximum Fuse Size: 15amp
Minumum Circuit Breaker: 15amp

Performance

BTU Input: 40000, 60000, 80000, 100000
BTU Output: 32000, 48000, 64000, 80000
AFUE: 80

Find a Dealer

Use our guide below to find not only the right system for your needs, but the right dealer to fulfill those needs.