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EKO DUO 15 hybrid boiler, 65K BTU
EKO DUO 15 hybrid boiler, 65K BTU
EKO DUO 15 hybrid boiler, 65K BTU
EKO DUO 15 hybrid boiler, 65K BTU
EKO DUO 15 hybrid boiler, 65K BTU

EKO DUO 15 hybrid boiler, 65K BTU

$6,723.91

Recommended Area: 2,500 ft²

Guaranteed safe checkout

  • USA/CAN Shipping
  • 30 Day Return
  • Active Support
  • Since 2008
  • Multi-Fuel VersatilityEffortlessly burns coal, pellets, grains, and manual wood logs.
  • Extended AutonomyMassive hopper capacity provides up to 2 weeks of automated heating.
  • True Hybrid SystemFeatures both an automated stoker and a spacious manual firebox.
  • Smart Continuous CycleIntelligently keeps hot ashes to seamlessly auto-ignite the next fire.
  • Premium European BuildRugged, heavy-duty construction manufactured in Europe for extreme durability.

Product details

EKO DUO 15 hybrid boiler, 65K BTU

Automatic self-cleaning hybrid boiler for smaller hydronic systems, combining multi-fuel flexibility, smart control, and long unattended operation in a compact EKO DUO platform.

 

Key Benefits

  • Automatic self-cleaning burner with rotary cast iron design for reliable solid-fuel combustion
  • Flexible multi-fuel capability for coal, pellets, grains, and biomass up to 1 1/2", plus manual feeding for wood chips and peat briquette
  • Guaranteed 90% efficiency with a design focused on complete heat recovery
  • TIS tronic 481R controller manages combustion, pumps, mixing valves, storage, and hydronic operating modes
  • Extended autonomy from the automated hopper and ignition strategy reduces day-to-day intervention
  • Front-access maintenance with ASTM A106 boiler steel construction and wide cleaning access

 

Specifications

  • Heating Capacity: 65,000 BTU
  • Recommended Area: 2,500 ft²
  • Automatic Fuel Range: Coal up to 1 1/4"; also burns pellets, grains, and biomass
  • Manual Firebox: 18 gal with up to 15" logs
  • Hopper Volume: 72 gal / 585 lb of coal
  • Dimensions / Weight: 43" W x 25" D x 62" H; 1,000 lb
  • Coal Types: Anthracite and bituminous; rice, buckwheat, pea, and stoker sizes
  • Warranty: 10 years

Customer Success Stories

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We replaced our aging system with this MBtek wood boiler and the savings were immediate. It burns so efficiently, we're using significantly less wood to get much more consistent, powerful heat. It's transformed our monthly budget

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The construction quality on this MBtek boiler is absolutely phenomenal. It's heavy-duty steel all around—solid, dependable, and clearly built to last for decades. You feel the quality every time you load it

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I love the modern control panel on my Uni series boiler. It takes all the guesswork out of the burning process. It’s surprisingly simple to dial in the settings, and it manages the heat perfectly. Total peace of mind

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We need massive heat for our property, and this MBtek Uni 35 handles it effortlessly. Even in the dead of winter, it provides stable, powerful heat to both our house and workshop. It’s an absolute beast

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This wood boiler is hands down the best investment we’ve made in our home. It's efficient, durable, and works exactly as advertised. If you’re serious about wood heating, you need to check out MBtek. Highly recommended

Slash Your Heating Bills

Maximize savings with high-efficiency MBtek wood gasification

Built Like an Old-Fashioned Wood Stove

Heavy-duty steel construction and reliable performance for the long haul

Simple, Smart Heating Control

Intuitive screen and straightforward settings make operation effortless

Heating Large Properties with Ease

Consistent, high-output power for homes and workshops

A reliable, game-changing system backed by excellent support

A versatile solution that complements solar and gas systems for year-round comfort

Slash Your Heating Bills

Slash Your Heating Bills

Built Like an Old-Fashioned Wood Stove

Built Like an Old-Fashioned Wood Stove

Simple, Smart Heating Control

Simple, Smart Heating Control

Heating Large Properties with Ease

Heating Large Properties with Ease

A reliable, game-changing system backed by excellent support

A reliable, game-changing system backed by excellent support

Features
Specs
Reviews/Q&A
Manual

EKO DUO Hybrid Boiler

  • Automatic, Self-Cleaning Boiler

    Eko Duo is a state-of-the-art automatic coal boiler with a modern, self-cleaning rotary cast iron burner.

  • Flexible Multi-Fuel Capability

    Automatically burns coal, pellets, grains, and biomass up to 1 1/2", plus manual feeding for wood chips and peat briquette.

  • High Energy Efficiency

    Unique design ensures complete heat recovery, guaranteeing 90% operational efficiency.

  • Smart TIS tronic 481R Control

    Intelligent controller manages combustion based on parameters, weather, and fuel, adapting to modern hydronic systems.

  • Extended 4-10 Day Autonomy

    Large hopper and automation provide significant operational autonomy, with comprehensive system control features.

  • Durable & Easy Maintenance

    Built with certified ASTM A106 steel, offering wide access for simple, front-only cleaning and long-term, trouble-free use.

Eko Duo Boiler Image
Eko Duo Boiler Image

Multi-Fuel Versatility

The Eko Duo's automatic burner efficiently handles coal, pellets, grains, and other biomass up to 1 1/2". For even more flexibility, the middle chamber allows for manual feeding of coal, wood chips, peat briquette, and various other biomass types, adapting to your available fuel sources.

Superior 90% Efficiency

Experience significant energy savings with the Eko Duo's guaranteed 90% efficiency. Its unique design is engineered for complete heat recovery, ensuring optimal heat utilization and reducing fuel consumption while delivering powerful heating performance.

Intelligent TIS tronic Control

The advanced TIS tronic 481R controller intelligently masters combustion, adapting to user settings, weather, and fuel quality. It seamlessly integrates with modern hydronic heating systems, offering functions for pumps, mixing valves, buffer tanks, and providing 4 to 10 days of autonomous operation.

Robust Build & Easy Maintenance

Built from top-quality ASTM A106 certified boiler steel, the Eko Duo ensures long-term, trouble-free performance. Its wide door openings allow easy cleaning of the heat exchanger and ash removal, with all maintenance conveniently front-accessible, requiring no unscrewing.

Customer video reviews

  • It is wonderful, we finally made it work. I have to say that Allan and Jesus are wonderful.
    ★★★★★

    Jocelyne,

    A Happy Customer
  • The quality is very impressive! Don't over pay for other brands. Allen, Jesus and the MBtek team are very helpful both before and after the sale. Thank you for the great experience guys.
    ★★★★★

    Todd,

    A Happy Customer
  • Product arrived well packed, and undamaged.
    Customer service was great! Very helpful over the phone. Looking forward to doing more business in the future.
    ★★★★★

    Greg,

    A Happy Customer

Frequently asked questions

Where can I find a dealer?

You can speak directly with one of our sales agents via phone, email or text message for more information.

Who will install my heat pump?

Mbtek does not complete the installation. Any HVAC professional will be able to install your purchase. If you require assistance finding one, we are here to help.

Where can I find parts?

Here We have spare parts ready to ship the following business day.

When will I receive my unit?

As soon as the unit is in stock, we will book the shipment following business day. The availability (or ETA) of a specific unit is mentioned on the top of each product page. Depending on your location, delivery can take anywhere from 3 to 12 days

Do I have to pay customs fees if my unit is coming from another country?

No. We take responsibility for these charges.

Are your products shipped in the U.S. or Canada?

It varies for each product. However, we have warehouses in Pennsylvania (U.S.), Alberta (CAN), and Quebec (CAN).

What is the product warranty?

The compressor includes a 5-year warranty.

Need an installer?

We made it easy for you.

Please note that listed installers are independent contractors and not employees of MBTek.
They are skilled professionals familiar with our products and capable of efficient installation.

Any Questions?

Reach out to us

Technical Specifications

Basic Information:

Model Unit Eko 15 Eko 35 Eko 55 Eko 95
Capacity KBTU 27 - 68 51 - 137 85 - 205 154 - 338
Heat Area ft² 2000 4000 6000 9000
Relief Valve psi 30 30 30 30
Water Volume gal 21 32 36 46
Connection inch 1 ½" 1 ½" 2" 2"
Chimney inch 6" 6" 8" 8"
Hopper Volume gal 72 111 143 238
Hopper Width inch 22 31 33 ½ 33 ½
Boiler Width inch 21 27 27 31
Boiler Depth inch 25 34 36 40
Boiler Height inch 62 56 58 67
Boiler Weight lb 1000 1300 150 1950

Reviews

Customer Reviews

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G
Geronimo Caldwell (Concord, US)
Well designed. Quality build.

We switch between burning pellets, cord wood, or coal depending on price fluctuations. The build quality is excellent. Nothing else on the market even competes.

Technical & User Manuals

This documentation covers many of the topics of interest to end-users and maintenance staff. For any additional inquiries, contact us.

EKO DUO Hybrid Boiler

Technical & User Certifications

This documentation covers many of the topics of interest to end-users and maintenance staff. For any additional inquiries, contact us.

Single Room Energy Recovery Ventilator (ERV) Certification

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