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Furnaces

The furnace is the heart of your home—out of sight, out of mind, and still keeping you and your family comfortable all year round. Our quiet, energy-efficient furnaces are designed to provide warmth to keep you cozy in winter and to circulate clean, refreshing air from your cooling system in the summer.

Infinity® Series

Top-of-the-line comfort, performance, and efficiency:

  • Energy efficient—AFUE rating up to 98.5 percent
  • Ultra-quiet comfort—modulating furnaces are our quietest models
  • Excellent humidity control

Infinity® 98 Gas Furnace With Greenspeed™ Intelligence

59MN7

ENERGY STAR® certified. Our highest efficiency and most advanced furnace with up to 98.5% AFUE for premium energy savings with excellent humidity control and premium comfort

Top Features

  • Initial Cost: $$$
  • Overall Efficiency: All sizes ENERGY STAR® certified
  • Heating AFUE: Up to 98.5%
  • Gas Valve Technology: Modulating
  • Blower Motor Type: Variable-speed

Infinity® 96 Gas Furnace

59TN6

ENERGY STAR® certified. Up to 96.7% AFUE for premium energy savings with enhanced comfort features.

Top Features

  • Initial Cost: $$$
  • Overall Efficiency: All sizes ENERGY STAR® certified
  • Heating AFUE: Up to 96.7%
  • Gas Valve Technology: Two-stage
  • Blower Motor Type: Variable-speed

Infinity® 80 Ultra- Low NOx Gas Furnace

58CU0

Designed to meet California regulations. 80% AFUE for moderate energy savings with standard comfort features.

Top Features

  • Initial Cost: $$$
  • Overall Efficiency: Not ENERGY STAR® certified
  • Heating AFUE: 80%
  • Gas Valve Technology: Single-stage
  • Blower Motor Type: Variable-speed

Infinity® 80 Gas Furnace

58TN

80% AFUE for moderate energy savings with enhanced comfort features.

Top Features

  • Initial Cost: $$$
  • Overall Efficiency: Not ENERGY STAR® certified
  • Heating AFUE: 80%
  • Gas Valve Technology: Two-stage
  • Blower Motor Type: Variable-speed

Infinity® 95 Ultra-Low NOx Gas Furnace

59CU5

Designed to meet California regulations. Up to 95% AFUE for enhanced energy savings with standard comfort features.

Top Features

  • Initial Cost: $$$
  • Overall Efficiency: All sizes ENERGY STAR® certified
  • Heating AFUE: Up to 95%
  • Gas Valve Technology: Single-stage
  • Blower Motor Type: Variable-speed

Performance™ Series

Perfect balance between performance and cost:

  • Energy efficient—AFUE rating up to 96.5 percent
  • Improved comfort features
  • Moderate humidity control

Performance™ 96 Gas Furnace

59TP6

ENERGY STAR® certified. Up to 96.5% AFUE for premium energy savings with enhanced comfort features.

Top Features

  • Initial Cost: $$
  • Overall Efficiency: All sizes ENERGY STAR® certified
  • Heating AFUE: Up to 96.5%
  • Gas Valve Technology: Two-stage
  • Blower Motor Type: Variable-speed

Performance™ 80 Gas Furnace

58SP

80% AFUE for moderate energy savings with standard comfort features.

Top Features

  • Initial Cost: $$
  • Overall Efficiency: Not ENERGY STAR® certified
  • Heating AFUE: 80%
  • Gas Valve Technology: Single-stage
  • Blower Motor Type: Variable-speed

Performance™ 96 Gas Furnace

59SP6

ENERGY STAR® certified. Up to 96.5% AFUE for premium energy savings with standard comfort features.

Top Features

  • Initial Cost: $$
  • Overall Efficiency: All sizes ENERGY STAR® certified
  • Heating AFUE: Up to 96.5%
  • Gas Valve Technology: Single-stage
  • Blower Motor Type: Variable-speed

Performance™ 80 Gas Furnace

58TP

80% AFUE for moderate energy savings with enhanced comfort features.

Top Features

  • Initial Cost: $$
  • Overall Efficiency: Not ENERGY STAR® certified
  • Heating AFUE: 80%
  • Gas Valve Technology: Two-stage
  • Blower Motor Type: Variable-speed

Contact Knope

We know that your comfort and well-being are important. That’s why we offer 24-hour, same-day service for urgent matters. For other inquiries or to speak with an expert regarding a routine service, please reach out to our office.

Mon-Fri: 8am-5pm

24hr Emergency Service

Call Knope

715-524-4215

Request Service