HeatMaster MF eSeries Wood Furnaces

HeatMaster MF eSeries Wood Furnace Overview

The Heatmaster MF eSeries is an outdoor multifuel furnace with a heating capacity ranging from 250,000 to 800,000 BTUs and a water capacity ranging from 130 to 555 gallons. Along with wood, the MF eSeries will burn coal and any type of biomass. Like the MF Series, the MF eSeries is manufactured with 409 stainless steel and features heavy duty double wall insulation, a large round firebox and a dual firebox door latch. In addition, it features an additional heat exchanger pass and an optional secondary air injection, allowing the unit to burn 20-30% less wood than the MF Series. It also has an insulated rear door which is hinged for quick and easy removal without the use of tools. The 2016 starting price of the MF eSeries is 8,495.00.

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Consumer Reviews of HeatMaster MF eSeries


  • Very Satisfied
  • Somewhat Satisfied
  • Neutral
  • Somewhat Unsatisfied
  • Very Unsatisfied
  • #1 of 4 HeatMaster Wood Furnace
  • 92.31% of customers recommended

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HeatMaster MF eSeries Wood Furnace Reviews

Showing 1-5 of 25 reviews

"Versatile unit"

5.0 rating
Very Satisfied

When we were unable to acquire wood anymore, we switched to coal and it worked beautifully. The only thing I would change is the read-out of the temperature sensor. One needs a flashlight to read it after dark.

Margit Schowalter

Alberta Canada

"Very happy"

5.0 rating
Very Satisfied

This wood boiler has saved me on average $2700.00 a year. Have not had a single problem in the three years I have owned it! Very happy!!

Jacob Schulz

Hartford, WI


5.0 rating
Very Satisfied

Looking for long-term use of the wood burner! 😎

Kevin Fredrick


"Wood Furnace Love"

5.0 rating
Very Satisfied

I actually enjoy when cold weather approaches because it means I can use my outdoor wood/coal furnace. The cost savings are wonderful and it heats up our home nicely. We have not had any issues out of it and can burn wood even if it is green or has gotten wet. I am glad we were able to get a unit that burns coal as well since this helps reserve our wood pile. I have told friends and family about the furnace and that we saved money by getting one.

Mary Beth Wriston

Copper Hill, VA


4.0 rating
Somewhat Satisfied

Love it, keep the family very warm. Heating house 50 x 40 shop and hot water

Tony meyer


Other MF eSeries Reviews

There are very few online posts regarding the MF eSeries on HVAC forums. A homeowner on outdoorwoodfurnaceinfo.com asked for opinions on the unit, but most members knew very little about it. There were mixed reviews on the post about the Heatmaster brand.

MF eSeries Warranty

Product registration is required within 30 days of purchase for maximum warranty coverage. The warranty for the Heatmaster MF eSeries wood furnace is comprised of the following:

  • Lifetime limited warranty against defects in workmanship and material of the firebox and water jacket, pro-rated after 5 years
  • 5-year warranty on grates and firebox door
  • 1-year warranty against ash pan corrosion
  • 10-year pro-rated warranty on all steel components

Water must be tested and maintained at least once a year to qualify for warranty. Labor and shipping costs are not covered by the warranty.

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