Napoleon NPX120S5A 120,000 BTU Single Stage Natural Gas Furnace

Napoleon NPX120S5A Front
  • Napoleon NPX120S5A 9500 Series 120,000 BTU Single Stage Gas Furnace Heater
  • Featuring the Shortest Highest Efficiency 95% AFUE Model on the Market Standing at 32 7/8"
Availability: Discontinued
List Price: $3016.00
Price Break: $696.00
Our Price: $2320.00


Enjoy heat that is safe, reliable and efficient with the Napoleon NPX120S5A 120,000 BTU natural gas furnace featuring an ultra-efficient ECM-X13 motor. This type of motor reduces electric consumption by up to 80% when compared to conventional blower motors. This is because the Napoleon NPX120S5A single stage furnace consumes 60-80 watts compared to 400 watts for a conventional motor.

High Efficiency
This model is very efficient with a 95% Annual Fuel Utilization Efficiency which translates into significantly lower fuel bills. Features like a tubular triple-pass heat exchanger create a larger surface area to maximize heat transfer. Also, it includes a stainless steel heat recovery coil to eliminate heat loss.

High Quality Components
This Napoleon furnace is unique from other brands because it includes a self diagnostic integrated furnace control the constantly monitors all safety devices. It contains LED service indicator lights making service calls quick and easy. Also, it easily interfaces with additional home comfort products.

Designed to Be Quiet & Durable
One of the number one complaints from furnace owners is the noise disturbance. This isn't the case with the Napoleon NPX120S5A furnace. It has been designed with an acoustically insulated blower compartment ensuring that operation is whisper quiet.

Easy Installation & Maintenance
One of the other great things about this furnace heater is that you can install it anyway that you'd like. Choose from upflow, downflow, and horizontal left or right. Zero clearance is required so it can easily be placed in a closet or alcove. Also, there are multiple intake/venting, gas pipe and electrical connection options.


  • Model: NPX120S5A
  • Product Type: 120,000 BTU Single Stage Natural Gas Furnace
  • Product Color: White/Red
  • Application: Ideal for efficiently heating your home
  • Type: Furnace Heater, Single Stage Furnace
  • Warranty: Lifetime heat exchanger limited warranty, 10 year parts limited warranty
  • Fuel Type: Natural Gas
  • Efficiency (AFUE): 95 %
  • Motor Type: ECM X-13
  • Motor Size: 3/4 HP
  • Input: 120000 BTU/HR
  • Output: 114000 BTU/HR
  • Minimum Vent Size: 3 Inches
  • Maximum Vent Size: 3 Inches
  • Minimum Vent Length: 15 Inches
  • Maximum Vent Length: 100 Inches
  • Blower Size: 12-10TDD
  • Maximum Air Flow: 1875 CFM
  • Minimum Air Flow: 750 CFM
  • Tonnages: 2, 3, 4, 5
  • Return Opening Size: 14x23
  • Additional Information: Simple conversion to propane


  • Factory-fired and tested for trouble-free start-ups
  • Includes a self diagnostic integrated furnace control for constantly monitoring all safety devices
  • Installation is versatile choose between upflow, horizontal left or right and downflow
  • Lower fuel bills with a 95% annual fuel utilization efficiency
  • No heat is wasted with the stainless steel recovery coil
  • Sound reducing insulated cabinet allows for whisper quiet operation
Our Guarantee
  • FREE return shipping
  • Hassle-Free return policy
  • Zero restocking fees