Hot
New
In stock
Pre-order
Out stock

WoodMaster 4400 Model Outdoor Wood Boiler

$12,145.00

Quick Shipment

SKU: WM4400

MANUFACTURER: WoodMaster

PRODUCT INFORMATION
More Information
FAQ
PRODUCT INFORMATION

Product Information

Built tough for long winters and large demands, the WoodMaster 4400 outdoor wood furnace is ideal for heating homes, shops, garages, and more, up to 5,000 square feet. Its titanium-enhanced stainless steel firebox is built to last, and its fan-induced draft system helps deliver fast recovery during peak usage.

This model is double-plumbed for multi-zone heating and compatible with domestic hot water, pool, and floor heat setups. Trusted by contractors and serious homeowners alike, the 4400 is your year-round heating solution.

Product Features & Benefits

Safe, Outdoor Operation

No fuel or combustion inside the home. Keeps your family safer by eliminating carbon monoxide, smoke, and soot indoors.

Maximum Efficiency

High-BTU output and improved air/water circulation mean longer burn times and fewer trips to refill.

Corrosion-Resistant Firebox

Made with titanium-enhanced stainless steel for superior durability against moisture, creosote, and acidic conditions.

Round-Chamber Design

  • 40% fewer weld seams vs. square fireboxes
  • No dead spots = less creosote buildup
  • Even heat transfer for better fuel economy

Digital ETC Control Center

User-friendly display with temperature control, blower settings, reset button, and built-in water level monitoring.

Installation

  • No slab needed, freestanding unit installs year-round
  • Rear access door simplifies plumbing
  • Compatible with most existing systems
  • Ideal for off-grid or supplemental heating setups
  • In the U.S., WoodMaster furnaces are intended for non-residential applications

Watch the WoodMaster 4400 In Action

Check out our YouTube walkthrough to get a closer look at this powerful outdoor furnace:

Watch on YouTube →

Warranty & Customer Support

Includes a 25-Year Limited Warranty when registered at the time of purchase.

Questions? Call our experts at (203) 881-1602 or contact us.

More Information

Technical Specifications

  • Heating Area: Up to 5,000 sq. ft.
  • Firebox Size: 38" x 44" Titanium Stainless Steel
  • Water Capacity: 117 gallons
  • Door Size: 24" x 24"
  • Draft Type: Fan-Induced
  • Overall Size: 5’2" W × 5’9" L × 8’1" H
  • Shipping Weight: 1,395 lbs.
  • Warranty: 25-Year Limited Warranty

Heating Applications

  • Whole Home Heating (Radiant Floor, Baseboard, Forced Air)
  • Domestic Hot Water (Showers, sinks, etc.)
  • Pools, Hot Tubs, & Spa Heating
  • Garages, Shops, Barns & Outbuildings
Size: 14
Brand: WoodMaster
Made In USA: Yes
FAQ

Frequently Asked Questions

How large of a building can the WoodMaster 4400 heat?

Up to 5,000 square feet, depending on insulation, climate, and usage.

What kind of wood should I use?

Seasoned hardwood is ideal. Avoid green or high-moisture wood to prevent creosote and maintain efficiency.

What does the ETC controller do?

The digital ETC system allows you to set and monitor your furnace’s temperature, blower operation, water level, and other controls easily.

Can I use the 4400 to heat domestic water or pools?

Yes. With proper plumbing and accessories, the 4400 can heat water, spas, pools, and more.

What maintenance is required?

Regular ash removal, water treatment, and system checks keep your furnace running efficiently. Add a test kit or cleaner.

WoodMaster 4400 Model Outdoor Wood Boiler

WoodMaster 4400 Model Outdoor Wood Boiler

$12,145.00