C Series

The design for our C Series outdoor coal furnace combines quality workmanship and materials with high performance and efficiency. They work with almost any existing heating system and follow the HeatMasterss standard for quality. The C Series is the industry leader in quality, efficiency, and performance for a coal burning furnace.

C375

Models

C150

Small but mighty, the C150 outdoor coal furnace incorporates all the workmanship and quality of a Heatmasterss furnace in a compact package while still heating a comfortably sized building.

C150
  • Approx. Heating Space* 3,000sq. ft.
  • Maximum BTU's** 150,000/hr
  • Water Capacity (US Gallons) 60
  • Firebox (L” x W” x H”) 24 x 28 x 32
  • Firebox Door (L” x W” x H”) 16 x 18
  • Weight (lbs) 950
  • Outlets 1 set of 1” feed and return
  • Chimney Size 6”
  • Dimensions*** (L” x W” x H”) 52 x 36 x 78
*Well-insulated building. **BTU’s are approximate and will vary depending on fuel quality. *** Height of the furnace is to the top of the lift hook
C250

The C250 has that bit of extra capacity for larger homes or out buildings coupled with all the design, efficiency and quality that Heatmasterss customers have come to expect.

C250
  • Approx. Heating Space* 5,000sq. ft.
  • Maximum BTU's** 250,000/hr
  • Water Capacity (US Gallons) 125
  • Firebox (L” x W” x H”) 31 x 34 x 38
  • Firebox Door (L” x W” x H”) 20 x 20
  • Weight (lbs) 1,300
  • Outlets 2 sets of 1” feeds and returns
  • Chimney Size 6”
  • Dimensions*** (L” x W” x H”) 56 x 49 x 84
*Well-insulated building. **BTU’s are approximate and will vary depending on fuel quality. *** Height of the furnace is to the top of the lift hook
C375

Our C375 furnace is a comfortable fit for adding a shop or shed with it’s 7,000 square foot heating capacity. A very flexible solution.

C375 e1566923102205
  • Approx. Heating Space* 7,500sq. ft.
  • Maximum BTU's** 375,000/hr
  • Water Capacity (US Gallons) 180
  • Firebox (L” x W” x H”) 34 x 46 x 40
  • Firebox Door (L” x W” x H”) 24 x 24
  • Weight (lbs) 1,700
  • Outlets 2 sets of 1 -1.5” feeds and returns
  • Chimney Size 6”
  • Dimensions*** (L” x W” x H”) 69 x 49 x 89
*Well-insulated building. **BTU’s are approximate and will vary depending on fuel quality. *** Height of the furnace is to the top of the lift hook
C500

The large capacity of the C500 makes it ideal for heavy duty heating. Make the most of your coal supply with this powerful unit.

C500
  • Approx. Heating Space* 10,000sq. ft.
  • Maximum BTU's** 500,000/hr
  • Water Capacity (US Gallons) 230
  • Firebox (L” x W” x H”) 34 x 56 x 42
  • Firebox Door (L” x W” x H”) 24 x 24
  • Weight (lbs) 2,000
  • Outlets 2 sets of 1.5” feeds and returns
  • Chimney Size 8”
  • Dimensions*** (L” x W” x H”) 81 x 51 x 93
*Well-insulated building. **BTU’s are approximate and will vary depending on fuel quality. *** Height of the furnace is to the top of the lift hook
C800

The largest unit we make is ready for anything. Four sets of feeds on the back make it a natural to heat multiple structures with ease.

C800
  • Approx. Heating Space* 20,000sq. ft.
  • Maximum BTU's** 800,000/hr
  • Water Capacity (US Gallons) 555
  • Firebox (L” x W” x H”) 52 x 60 x 52
  • Firebox Door (L” x W” x H”) 42 x 30
  • Weight (lbs) 4,000
  • Outlets 4 sets of 1.5” feeds and returns
  • Chimney Size 10”
  • Dimensions*** (L” x W” x H”) 98 x 82 x 100
*Well-insulated building. **BTU’s are approximate and will vary depending on fuel quality. *** Height of the furnace is to the top of the lift hook

Four Reasons to Choose
a HeatMasterss Furnace

Easy on You

1
Built to Last

2
Cost Savings

3
The HeatMasterss Advantage

4

Easy on You

At HeatMasterss we appreciate that your time is precious and we focus on provid- ing time saving and convenient features to make running your furnace quick and simple. Some of our most popular include:

  • Cast Iron shaker grates and removable steel ash pan make cleaning a breeze. Just shake the grates and pull out the ash pan to remove the ash.
  • The forced air fan pushes air through the grates at the bottom of the firebox, ideal for coal burning and fast heat recovery.
  • The insulated hinged rear door provides wide open access to the rear of the furnace for installation and servicing.
  • Deep oval firebox with convenient loading height provides an easy loading experience by allowing you to drop the fuel into the firebox rather than lifting.

What does that mean for you? A more comfortable coal burning experience.

Built to Last

HeatMasterss combines the best materials with expert engineering to create the most rugged, longest lasting furnaces available. We use 409 Titanium Enhanced Stainless Steel which is the only product that provides the right blend of longevity and cost effectiveness to meet our very high standards of excellence.

Titanium Stainless Steel is the best choice for your furnace because:
  • It resists corrosion. Titanium Stainless Steel is coated with a chromium film so it will not corrode from:
    – Wet ashes or creosote in the firebox
    – Sweating on your water jacket
    – Corrosive element in your water
  • It can withstand higher continuous temperatures.
  • It transfers more heat. Heat gets to your water at a higher rate which will save you fuel.
  • It has a low Thermal Expansion Rate. It won’t crack and warp in the high heat environment.

Cost Savings

Substantially reduce your heating bill with coal heat.

Fuel prices can fluctuate erratically but coal costs are consistently economical. It’s a secure feeling when you take control of your heating budget. You’ll even use less coal with our efficient and reliable technology.

Economical

C Series furnaces are very economically priced. This gives you the features, efficiency and BTU output you want with a short payback period. Whether you choose to finance your furnace or buy it and install it yourself, you will be delighted at the long term savings that coal heating provides.

The HeatMasterss Advantage

When you’re looking to heat your home, it’s good to know that they are backed by an extensive network of professional dealers. HeatMasterss dealers are there to help you with expert installation, advice, after sales service and so much more. We take pride in our products, service and ensuring your needs are met.

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Easy View Water Level Gauge

Highly visible from a distance.

Deep Oval Firebox

This design allows for more efficient heat transfer, extra strength and fewer welds with no corners for ash to collect in. The extra deep firebox works particularly well for coal burning and keeps the door cooler.

Timer

Keeps the coal bed alive when idling.

Forced Air Draft

Creates a very hot burn allowing your furnace to quickly react to your heating demands.

Triple Pass Exhaust

Provides maximum heat transfer into the water jacket.

The C800 uses a double pass exhaust.

Dump Feature

Opens the grates wider to easily clean out ash and clinkers.

Heavy Duty Shaker Grates

Racking the grates allows the ash to drop into the stainless steel ash pan.

Easy Clean Ash Pan

Removable ash pan makes ash clean up quick and easy.

c500 internal
Easy View Water Level Gauge

Highly visible from a distance.

Deep Oval Firebox

This design allows for more efficient heat transfer, extra strength and fewer welds with no corners for ash to collect in. The extra deep firebox works particularly well for coal burning and keeps the door cooler.

Timer

Keeps the coal bed alive when idling.

Forced Air Draft

Creates a very hot burn allowing your furnace to quickly react to your heating demands.

Triple Pass Exhaust

Provides maximum heat transfer into the water jacket.

The C800 uses a double pass exhaust.

Dump Feature

Opens the grates wider to easily clean out ash and clinkers.

Heavy Duty Shaker Grates

Racking the grates allows the ash to drop into the stainless steel ash pan.

Easy Clean Ash Pan

Removable ash pan makes ash clean up quick and easy.

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