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Gas Furnaces

Today's new high efficiency furnaces can save up to 50% in operating costs over a ten-year-old furnace. Many 1990 and earlier model furnaces have Annual Fuel Utilization Efficiency (AFUE) ratings of 65% or less. The minimum AFUE rated furnace that can be sold in the United States today is 80%.

Our current product offering starts at 80% AFUE and goes all the way to a very efficient 96.6% AFUE rating. Depending on your average usage, higher AFUE rated furnaces can significantly reduce your gas bill.

We offer many furnaces with variable and multi-speed features that can provide enhanced indoor comfort by slowly ramping up to your thermostat setting rather than simply turning on at full speed. This alleviates the "cold air blow" often associated with single speed furnaces, and dramatically reduces system noise.

Gas Furnace Product Offering

987M

Evolution® System Plus 98MTM Gas Furnace

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Model Family: 987M
Annual Fuel Utilization Efficiency: Up to 98.3% AFUE
Energy Star Rated: Energy Star Rated
Blower Motor: Variable-speed full-featured ECM
Gas Valve: Modulating
Fan Heating Operation: Modulating
Factory Warranty Parts: 10-year parts limited warranty upon registration
Heat Exchanger Warranty: Lifetime limited warranty
Sound Level: QuieTech™
Manufacturer's Stated Benefits:
  • Precise gas modulation with movements in 1% increments
  • Variable-speed blower allows unit to operate at lower speeds up to 90% of the time, ensuring consistent airflow and temperature.
  • Perfect HeatTM technology monitors changing conditions to adjust heating
  • Perfect HumidityTM technology removes up to 127% more moisture than a standard furnace
  • Fan On PlusTM technology
315AAV

EvolutionTM Plus 80 Variable Speed Gas Furnace

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Model Family: 315AAV
Annual Fuel Utilization Efficiency: Up to 80% AFUE
Energy Star Rated: No
Blower Motor: Variable speed ECM
Gas Valve: Two-stage
Fan Heating Operation: Two-stage operation
Factory Warranty Parts: 10-year parts limited warranty when properly registered.
Heat Exchanger Warranty: Limited lifetime
Sound Level: QuieTech™
Manufacturer's Stated Benefits:
  • Quiet performance and even-temperature comfort from variable-speed air delivery
  • Perfect Heat™ technology closely manages your comfort by adjusting system operation to changing conditions
  • Perfect Humidity™ technology ensures optimal summertime cooling dehumidification when system components include multi- and
  • Fan On Plus™ technology lets you choose the speed of continuous fan operation with a compatible control
  • Insulated cabinet for quieter operation
314AAV

Preferred™ 80 Series 314AAV Gas Furnace

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Model Family: 314AAV
Annual Fuel Utilization Efficiency: 80%
Energy Star Rated: No
Blower Motor: Perfect™ ECM (PWM) Variable speed
Gas Valve: Two-stage
Fan Heating Operation: Two-stage
Factory Warranty Parts: 10yr limited warranty
Heat Exchanger Warranty: 20yr limited warranty
Sound Level: QuieTech™
Manufacturer's Stated Benefits:
  • Perfect Heat™ operation
  • Reduced operating sound through low-stage operation and sound elimination combustion system
  • Increased SEER ratings for AC and HP systems
  • Matches CFM to cooling system at all static points
  • Shorter in height-only 33 1/3
  • Microprocessor based
  • Adapts heating stages to meet demand
  • Continuous Fan speed adjustable from thermostat
  • Adjustable heating air temperature rise
  • Up to 12 cooling airflow selections with a wide range of capability
  • LED diagnostics, non-volatile status code memory, and self test feature
  • Patented blocked vent safeguard to ensure proper furnace venting
  • Insulated blower compartment
  • Heat pump compatible
  • All models are Chimney Friendly when used with accessory vent kit
  • Hot Surface Ignition (HSI)
  • Thirteen ways to vent
313A

Preferred Plus 80x Gas Furnace

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Model Family: 313A
Annual Fuel Utilization Efficiency: 80% AFUE Plus 80x
Energy Star Rated: No
Blower Motor: Multi-speed ECM
Gas Valve: Single-stage
Fan Heating Operation: Single-stage
Factory Warranty Parts: 10-year parts limited warranty when properly registered.
Heat Exchanger Warranty: Limited 20-year
Sound Level: QuieTech™
Manufacturer's Stated Benefits:
  • ECM Blower Motor included
  • Noise elimination combustion system
  • SmartEvap™ can lower the humidity level in the home by nearly 10%
  • Four-position furnaces: Upflow, Horizontal Right, Horizontal Left, Downflow Thirteen different vent options
  • Compact design only 33-1/3 in. tall
  • Microprocessor based
  • Patented blocked vent safeguard to ensure proper furnace venting
  • Insulatd blower compartment
  • HYBRID HEAT® Dual Fuel System compatible
  • Perfect™ Light Igniter
  • Thirteen different vent options
  • Heat pump compatible
  • All models are Chimney Friendly when used with accessory vent kit
  • Hot Surface Ignition (HSI)
310AAV

LegacyTM Series 80% Gas Furnace

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Model Family: 310AAV
Annual Fuel Utilization Efficiency: 80% AFUE
Energy Star Rated: No
Blower Motor: Fixed speed
Gas Valve: Single-stage
Fan Heating Operation: Single-stage
Factory Warranty Parts: 10yr limited warranty
Heat Exchanger Warranty: 20yr limited warranty
Sound Level: QuieTech™
Manufacturer's Stated Benefits:
  • Pilot-freePerfectLight™ ignition
  • Insulated cabinet for quieter operation
  • Hybrid Heat® system capable
  • Filter cabinet