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Day & Night Gas Furnaces

Day & Night heating and cooling systems.

When you choose Day & Night® heating and cooling equipment, it means your home comfort is backed by superior engineering and quality manufacturing so you can enjoy more important things. Each unit is 100% run tested, and we design our products to give you the best in quality, energy efficiency and reliability. We take pride in delivering high efficiency and innovative design that exceeds your expectations for comfort every hour, every season.

Day & Night gas furnace.

Constant Comfort™ Deluxe 98 Gas Furnace (G9MAE)

Enjoy ultimate comfort even in the coldest weather with our highest efficiency gas furnace product. It features industry-leading modulating gas heat performance that delivers our ultimate levels of temperature control and quiet performance. The variable-speed blower also means you’ll enjoy better summer dehumidification and a possible SEER boost as your furnace works with your cooling unit to help pull moisture out of the air. Pair it with a compatible air conditioner for full functionality and a full communicating system using the Ion™ System Control. The ENERGY STAR® qualification on select models assures you of energy-saving performance year after year.

Features & Benefits

  • Up to 98% AFUE rating
  • Our best level of electrical efficiency
  • ENERGY STAR® qualified on select models
  • The ultimate in quiet performance
  • Variable-speed blower motor and modulating gas valve also provide our ultimate levels of even temperature control and comfort
  • Dual fuel capable with a compatible heat pump and thermostat for energy-saving heating performance
  • As a modulating furnace, it operates at lower stages most of the time to save energy, smoothly ramping up the heat as temperatures drop
  • Fully insulated cabinet keeps the heat moving to your ductwork
  • Air purifier and humidifier compatible for better home air quality
  • Wi-Fi® enabled remote access with the Ion™ System Control±
  • 10-Year No Hassle Replacement™ Limited Warranty*
  • 10-Year Parts Limited Warranty+
  • Lifetime Heat Exchanger Limited Warranty

  • * No Hassle Replacement™ Limited Warranty: If compressor, coil or heat exchanger fails due to defect during the applicable No Hassle Replacement limited warranty time period, a one-time replacement with a comparable unit will be provided.
  • + 10-Year Parts Limited Warranty: Timely registration required for 10-year parts limited warranty and lifetime limited heat exchanger warranty. Limited warranty period is 5 years for parts and 20 years for heat exchanger if not registered within 90 days of installation. Jurisdictions where warranty benefits cannot be conditioned on registration will receive the registered limited warranty periods. Please see warranty certificate for further details and restrictions.
  • ± Wi-Fi® is a registered trademark of the Wi-Fi Alliance Corporation.

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Day & Night gas furnace.

Constant Comfort™ Deluxe 96 Gas Furnace (G9MVE)

Stay out of the cold and keep warm with our high-efficiency gas furnace. Its reliable two-stage delivery and variable-speed blower provide enhanced temperature control for your comfort. The variable-speed blower also means you’ll enjoy better summer dehumidification and a possible SEER boost as your furnace works with your cooling unit to help pull moisture out of the air. Pair it with a compatible air conditioner for a full communicating system using the Observer® communicating wall control. The ENERGY STAR® qualification on select models assures you of energy-saving performance year after year.

Features & Benefits

  • Up to 96.5% AFUE rating
  • ENERGY STAR® qualified on select models
  • One of our best in quiet performance
  • Variable-speed blower motor and two-stage gas valve also provide enhanced levels of even temperature control and comfort
  • Dual fuel capable with a compatible heat pump and thermostat for energy-saving heating performance
  • Fully insulated cabinet keeps the heat moving to your ductwork
  • Air purifier and humidifier compatible for better home air quality
  • High temperature limit control prevents overheating
  • Wi-Fi® enabled remote access with the Observer® communicating wall control±
  • 10-Year No Hassle Replacement™ Limited Warranty*
  • 10-Year Parts Limited Warranty+
  • Lifetime Heat Exchanger Limited Warranty

  • * No Hassle Replacement™ Limited Warranty: If compressor, coil or heat exchanger fails due to defect during the applicable No Hassle Replacement limited warranty time period, a one-time replacement with a comparable unit will be provided.
  • + 10-Year Parts Limited Warranty: Timely registration required for 10-year parts limited warranty and lifetime limited heat exchanger warranty. Limited warranty period is 5 years for parts and 20 years for heat exchanger if not registered within 90 days of installation. Jurisdictions where warranty benefits cannot be conditioned on registration will receive the registered limited warranty periods. Please see warranty certificate for further details and restrictions.
  • ± Wi-Fi® is a registered trademark of the Wi-Fi Alliance Corporation.

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Day & Night gas furnace.

Constant Comfort™ Deluxe 80 Gas Furnace (G8MVL)

Keep the pesky cold out and the comfort in with our efficient gas furnace. It features a variable-speed blower motor and two-stage gas heat performance that together deliver temperature control and quiet performance. The variable-speed blower also means you’ll enjoy better summer dehumidification from your cooling unit, and you might even get a SEER boost as well. Pair it with a compatible air conditioner for a full communicating system using the Observer® communicating wall control.

Features & Benefits

  • 80% AFUE rating
  • Quiet performance
  • Variable-speed blower motor and two-stage gas valve also provide improved levels of even temperature control and comfort
  • Dual fuel capable with a compatible heat pump and thermostat for energy-saving heating performance
  • Fully insulated cabinet keeps the heat moving to your ductwork
  • Air purifier and humidifier compatible for better home air quality
  • Wi-Fi® enabled remote access with the Observer® communicating wall control±
  • 10-Year No Hassle Replacement™ Limited Warranty*
  • 10-Year Parts Limited Warranty+
  • 20-Year Heat Exchanger Limited Warranty

  • * No Hassle Replacement™ Limited Warranty: If compressor, coil or heat exchanger fails due to defect during the applicable No Hassle Replacement limited warranty time period, a one-time replacement with a comparable unit will be provided.
  • + 10-Year Parts Limited Warranty: Timely registration required for 10-year parts limited warranty and lifetime limited heat exchanger warranty. Limited warranty period is 5 years for parts and 20 years for heat exchanger if not registered within 90 days of installation. Jurisdictions where warranty benefits cannot be conditioned on registration will receive the registered limited warranty periods. Please see warranty certificate for further details and restrictions.
  • ± Wi-Fi® is a registered trademark of the Wi-Fi Alliance Corporation.

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Day & Night gas furnace.

Constant Comfort™ Deluxe 80 Gas Furnace (G8MTL)

Create warm, soothing comfort in your home with our reliable and efficient gas furnace that won’t break the bank. It features a fixed-speed blower motor and two-stage gas valve that deliver even levels of temperature control and quiet performance.

Features & Benefits

  • 80% AFUE rating
  • Quiet performance
  • Fixed-speed blower motor and two-stage gas valve provide even levels of temperature control and comfort
  • Dual fuel capable with a compatible heat pump and thermostat for energy-saving heating performance
  • Fully insulated cabinet keeps the heat moving to your ductwork
  • Air purifier and humidifier compatible for better home air quality
  • 1-Year No Hassle Replacement™ Limited Warranty*
  • 10-Year Parts Limited Warranty+
  • 20-Year Heat Exchanger Limited Warranty

  • * No Hassle Replacement™ Limited Warranty: If compressor, coil or heat exchanger fails due to defect during the applicable No Hassle Replacement limited warranty time period, a one-time replacement with a comparable unit will be provided.
  • + 10-Year Parts Limited Warranty: Timely registration required for 10-year parts limited warranty and lifetime limited heat exchanger warranty. Limited warranty period is 5 years for parts and 20 years for heat exchanger if not registered within 90 days of installation. Jurisdictions where warranty benefits cannot be conditioned on registration will receive the registered limited warranty periods. Please see warranty certificate for further details and restrictions.
  • ± Wi-Fi® is a registered trademark of the Wi-Fi Alliance Corporation.

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Day & Night gas furnace.

Constant Comfort™ 96 Gas Furnace (G9MXT)

Keep cozy when it’s cold outside with our high-efficiency gas furnace. Its reliable two-stage operation and multi-speed blower provide better levels of temperature control for your comfort. The multi-speed blower also means you’ll enjoy better summer dehumidification and a possible SEER boost from your cooling unit. The ENERGY STAR® qualification on select models assures you of energy-saving performance year after year.

Features & Benefits

  • Up to 96.2% AFUE rating
  • ENERGY STAR® qualified on select models
  • Sound-reducing operation for quieter comfort
  • Multi-speed blower motor and two-stage gas valve also provide improved levels of even temperature control and comfort
  • Dual fuel capable with a compatible heat pump and thermostat for energy-saving heating performance
  • Fully insulated cabinet keeps the heat moving to your ductwork
  • Air purifier and humidifier compatible for better home air quality
  • High temperature limit control prevents overheating
  • 5-Year No Hassle Replacement™ Limited Warranty*
  • 10-Year Parts Limited Warranty+
  • Lifetime Heat Exchanger Limited Warranty

  • * No Hassle Replacement™ Limited Warranty: If compressor, coil or heat exchanger fails due to defect during the applicable No Hassle Replacement limited warranty time period, a one-time replacement with a comparable unit will be provided.
  • + 10-Year Parts Limited Warranty: Timely registration required for 10-year parts limited warranty and lifetime limited heat exchanger warranty. Limited warranty period is 5 years for parts and 20 years for heat exchanger if not registered within 90 days of installation. Jurisdictions where warranty benefits cannot be conditioned on registration will receive the registered limited warranty periods. Please see warranty certificate for further details and restrictions.

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Day & Night gas furnace.

Constant Comfort™ 96 Gas Furnace (G9MXE)

Enjoy warming comfort inside when it's chilly outside with our efficient gas furnace. Its multi-speed blower motor provides improved levels of even temperature control and also means you’ll enjoy better summer dehumidification and a possible SEER boost from your cooling unit. The ENERGY STAR® qualification assures you of energy-saving performance year after year.

Features & Benefits

  • Up to 96.2% AFUE rating
  • ENERGY STAR® qualified
  • Sound-reducing operation for quieter comfort
  • Multi-speed blower motor provides levels of even temperature control and comfort
  • Dual fuel capable with a compatible heat pump and thermostat for energy-saving heating performance
  • Fully insulated cabinet keeps the heat moving to your ductwork
  • Air purifier and humidifier compatible for better home air quality
  • High temperature limit control prevents overheating
  • 1-Year No Hassle Replacement™ Limited Warranty*
  • 10-Year Parts Limited Warranty+
  • Lifetime Heat Exchanger Limited Warranty

  • * No Hassle Replacement™ Limited Warranty: If compressor, coil or heat exchanger fails due to defect during the applicable No Hassle Replacement limited warranty time period, a one-time replacement with a comparable unit will be provided.
  • + 10-Year Parts Limited Warranty: Timely registration required for 10-year parts limited warranty and lifetime limited heat exchanger warranty. Limited warranty period is 5 years for parts and 20 years for heat exchanger if not registered within 90 days of installation. Jurisdictions where warranty benefits cannot be conditioned on registration will receive the registered limited warranty periods. Please see warranty certificate for further details and restrictions.

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Day & Night gas furnace.

Performance® 95 Gas Furnace (N9MSE)

Keep cozy with our affordable and efficient gas furnace. Its reliable single-stage operation and fixed-speed blower provide even levels of temperature control for your comfort. It offers an up to 95% AFUE rating that may significantly increase efficiency over older models.

Features & Benefits

  • Up to 95% AFUE rating
  • Sound-reducing operation for quieter comfort
  • Single-stage operation and fixed-speed blower motor for even levels of temperature control and comfort
  • Dual fuel capable with a compatible heat pump and thermostat for energy-saving heating performance
  • Air purifier and humidifier compatible for better home air quality
  • High temperature limit control prevents overheating
  • 10-Year Parts Limited Warranty*
  • 20-Year Heat Exchanger Limited Warranty

  • * 10-Year Parts Limited Warranty: Timely registration required for 10-year parts limited warranty and lifetime limited heat exchanger warranty. Limited warranty period is 5 years for parts and 20 years for heat exchanger if not registered within 90 days of installation. Jurisdictions where warranty benefits cannot be conditioned on registration will receive the registered limited warranty periods. Please see warranty certificate for further details and restrictions.

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Day & Night gas furnace.

Performance® 92 Gas Furnace (N9MSB)

Bask in the warmth of our efficient gas furnace that won’t break the bank. Its reliable single-stage operation and fixed-speed blower provide even levels of temperature control for your comfort. Designed to deliver heat with an affordable price tag, it offers an up to 92% AFUE rating that may significantly increase efficiency over older models.

Features & Benefits

  • Up to 92% AFUE rating
  • Sound-reducing operation for quieter comfort
  • Single-stage operation and fixed-speed blower motor for even levels of temperature control and comfort
  • Dual fuel capable with a compatible heat pump and thermostat for energy-saving heating performance
  • Air purifier and humidifier compatible for better home air quality
  • High temperature limit control prevents overheating
  • 10-Year Parts Limited Warranty*
  • 20-Year Heat Exchanger Limited Warranty

  • * 10-Year Parts Limited Warranty: Timely registration required for 10-year parts limited warranty and lifetime limited heat exchanger warranty. Limited warranty period is 5 years for parts and 20 years for heat exchanger if not registered within 90 days of installation. Jurisdictions where warranty benefits cannot be conditioned on registration will receive the registered limited warranty periods. Please see warranty certificate for further details and restrictions.

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Day & Night gas furnace.

Performance® 80 Gas Furnace (N8MSN)

Now you can savor the warmth of your home at an affordable price with our efficient and reliable gas furnace. It features a fixed-speed blower motor and single-stage gas heating that delivers reliable temperature control and quiet performance.

Features & Benefits

  • 80% AFUE rating
  • Quiet performance
  • Fixed-speed blower motor and single-stage gas valve also provide even levels of temperature control and comfort
  • Dual fuel capable with a compatible heat pump and thermostat for energy-saving heating performance
  • Air purifier and humidifier compatible for better home air quality
  • 10-Year Parts Limited Warranty*
  • 20-Year Heat Exchanger Limited Warranty

  • * 10-Year Parts Limited Warranty: Timely registration required for 10-year parts limited warranty and lifetime limited heat exchanger warranty. Limited warranty period is 5 years for parts and 20 years for heat exchanger if not registered within 90 days of installation. Jurisdictions where warranty benefits cannot be conditioned on registration will receive the registered limited warranty periods. Please see warranty certificate for further details and restrictions.

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Day & Night gas furnace.

Performance® 80 Gas Furnace (N8MXL)

Relish in the warmth and energy savings of our efficient gas furnace when it's cold outside. It features a multi-speed blower motor and single-stage gas heating that delivers even levels of temperature control and quiet performance. The multi-speed blower motor also means you’ll enjoy better summer dehumidification and a possible SEER boost from your cooling unit.

Features & Benefits

  • 80% AFUE rating
  • Quiet performance
  • Multi-speed blower motor and single-stage gas valve also provide improved levels of even temperature control and comfort
  • Dual fuel capable with a compatible heat pump and thermostat for energy-saving heating performance
  • Fully insulated cabinet keeps the heat moving to your ductwork
  • Air purifier and humidifier compatible for better home air quality
  • 10-Year Parts Limited Warranty*
  • 20-Year Heat Exchanger Limited Warranty

  • * 10-Year Parts Limited Warranty: Timely registration required for 10-year parts limited warranty and lifetime limited heat exchanger warranty. Limited warranty period is 5 years for parts and 20 years for heat exchanger if not registered within 90 days of installation. Jurisdictions where warranty benefits cannot be conditioned on registration will receive the registered limited warranty periods. Please see warranty certificate for further details and restrictions.

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Day & Night gas furnace.

Performance® 80 Ultra-Low NOx Gas Furnace (N80ESU)

Our ultra low NOx gas furnace is an easy choice for those who are looking for a heating solution with reduced NOx emissions outside. This 80% AFUE furnace reliably heats your home while significantly reducing emissions that contribute to smog, acid rain, water quality deteriorating and more. For even greater efficiency and comfort, consider adding a compatible thermostat and heat pump to create a dual-fuel system. A dual-fuel system can save energy by optimizing the efficiency of the heating source based on outside conditions.

Features & Benefits

  • 80% AFUE rating
  • Ultra-low NOx Model
  • Quiet performance
  • Multi-speed blower motor and single-stage gas valve also provide improved levels of even temperature control and comfort
  • Dual fuel capable with a compatible heat pump and thermostat for energy-saving heating performance
  • Fully insulated cabinet keeps the heat moving to your ductwork
  • Air purifier and humidifier compatible for better home air quality
  • 10-Year Parts Limited Warranty*
  • 20-Year Heat Exchanger Limited Warranty

  • * 10-Year Parts Limited Warranty: Timely registration required for 10-year parts limited warranty and lifetime limited heat exchanger warranty. Limited warranty period is 5 years for parts and 20 years for heat exchanger if not registered within 90 days of installation. Jurisdictions where warranty benefits cannot be conditioned on registration will receive the registered limited warranty periods. Please see warranty certificate for further details and restrictions.

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