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Napoleon Timberwolf Economizer TPI35 Pellet Stove

Outstanding 76.3% Efficiency Rating

The Napoleon Timberwolf Economizer TPI35 provides an economical, environmentally friendly way out of the stressful bills caused by home heating. It is exempt from the Environmental Protection Agency. Unlike older open fireplaces which involve very high release of carbon dioxide and other fumes into the atmosphere, these modern stoves are very clean. In other words, they do not emit fumes into your living room like a traditional fireplace might. They are only made of materials that can be recycled such as steel and glass, and the cast iron arched doorway is protected by highly transparent, heat-resistant glass which allows you to clearly see the clean, burning flames. This stove uses pellets instead of wood, and is connected to electricity to operate the hopper. The stove comes with a digital control panel, but the optional hopper extensions of the TPS35 are not available for this model.

Timberwolf Economizer TPI35: Insert Stove Specification

The following specifications give Timberwolf Economizer TPI35 an outstanding 76.3% efficiency rating

  • BTU output (low – high): 12750 – 38250
  • 30 hours burn time
  • Comes with a fully refractory lined firebox which is long-lasting and produces low emissions
  • Optimal heating in rooms up to 2000+ square feet. This varies with other factors such as layout of the floor, insulations of the house, geographical location of the house and the type of fuel used
  • The diameter of the flue is 3 inches. This takes up a smaller place in the room as well as gets the job done
  • Heat exchanger and 120 CFM blower kit available
  • Conveniently-located air control lever
  • EPA (Environmental Protection Agency) exempt
  • Not approved for mobile homes.

Standard Features

  • Hopper Capacity :45 lbs
  • Area Heated** (sq ft) :800 – 2000+
  • Flue Diameter :3″
  • Minimum fireplace opening: 22″W x 21″H with adjustable depth (10 ½” to 12 ½”)
  • Painted black cast iron door included
  • Provides an economical heating source
  • Optional remote control
  • Certified for use with 50/50 mix of pellets and corn
The Timberwolf Economizer TPI35 is $1749.00
An Adjustable Black Insert Surround for the stove is $189.00
Hand Held Battery Operated Remote control is $139.00


Timberwolf Economizer TPI35 insert does not take much space as it is installed inside your existing fireplace. It is easy on the eyes with its black finish. It efficiently heats a home and keeps the heating costs to a minimum. At the same time, this modern stove gives off the same amount of carbon dioxide that an uprooted tree would. Therefore, unlike traditional open fireplaces, the Timberwolf Economizer TPI35 is a negligible contributor to the increasing greenhouse gasses in the atmosphere today. Its price may seem high at first, but the service it provides at home makes it a worthwhile investment.

Professional install, any applicable sales tax and some additional parts may be required.

* Timberwolf own test results showing realistic BTU with regular refueling. Small pellets will increase or decrease the stated burn times. Differences plus or minus 20% may occur depending on fuel quality.

** Figures may vary with individual conditions such as floor plan layout, insulation value/heat loss of the house, geographical location and pellets used.