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
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