Evolution™ 80 Variable-Speed Ultra-Low NOx Gas Furnace 830CA


An excellent choice for environmentally conscious homeowners. Our Evolution Line ultra-low NOx gas furnaces deliver warm winter comfort and 65% lower NOx emissions compared to a standard, low-NOx model.

AFUE Efficiency: 80%
Gas Valve Type: Single-Stage
  • Quiet performance and even-temperature comfort from variable-speed air delivery
  • Ultra Low NOx burner technology- meets 14 ng/J NOx emissions limit for California's South Coast Air Quality Management District and San Joaquin Air Pollution Control District.
  • Perfect Humidity® technology aids with summertime cooling dehumidification when system components include multi- and variable-speed cooling products.
  • Fan On Plus™ technology lets you choose the speed of continuous fan operation with a compatible control
  • Insulated cabinet for quieter operation
  • Lifetime heat exchanger limited warranty upon registration1
  • 10-year parts limited warranty upon registration2