PELLET DUO 150 Pellet Boiler, 500K BTU
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MBTEK Pellet Duo Boiler
Calibrate and adjust your boiler without leaving the comfort of your house.
Burning just 1 ton of pellets is released as much heat as: 3527lb of wood, 132L of diesel fuel, & 181L of oil.
Over 65k units sold worldwide. EN 303-5 and EIN certified.
Get instant feedback whenver temperatures change or feels needs to be refilled.
You won't hear it running from 10 feet away
We offer a 10-year guarantee and sell spare parts so you can keep your equipment running long-term.
Optimized for a variety of fuels—including pellets, grains, and cherry pits—the Pellet Duo features commercial-grade construction and a 6,200 ft² capacity, offering high-performance heating solutions for both large homes and commercial properties.
Enjoy convenient control with the all-in-one controller of the Pellet Duo boiler. Calibrate and adjust settings without leaving your house, ensuring optimal performance with ease.
Save energy with Pellet Duo. Burning just 1 ton of pellets releases as much heat as 3527lb of wood, 132L of diesel fuel, and 181L of oil, providing efficient heating while reducing environmental impact.
Rely on certified technology with over 65k units sold worldwide and EN 303-5 and EIN certification. Benefit from real-time monitoring, virtually silent operation, and a 10-year guarantee with spare parts available for long-term reliability.
Product-specific specifications for the Pellet Duo 150 boiler.
| Heat | 15,000 ft² |
|---|---|
| Weight | 3,000 lb |
| Width | 60 1/2 in |
| Depth | 44 in |
| Height | 66 in |
| Manual firebox | 56 gal · max log length 48 in |
| Automatic hopper | 265 gal · 1,260 lb of pellets |
This documentation covers many of the topics of interest to end-users and maintenance staff. For any additional inquiries, contact us.
Installation guide for Pellet Duo boiler setup, piping, startup, and commissioning.
Controller operating instructions, settings, menus, and programming guidance.
Full Pellet Duo boiler manual covering operation, maintenance, and safety guidance.
Large Pellet Duo FAQ
Answers for Pellet Duo 150, 300, 500, and 1000 boilers for commercial, industrial, and high-demand hydronic projects.
The large Pellet Duo models are high-output automatic pellet boilers for large hydronic heating projects. They are built for large homes, commercial buildings, farms, workshops, industrial spaces, and other high-demand heating loads.
Use the specs table as the source of truth: Pellet Duo 150 is listed for up to 15,000 sq ft, 300 for up to 30,000 sq ft, 500 for up to 55,000 sq ft, and 1000 for up to 110,000 sq ft. Final model selection should be confirmed by heat loss, operating schedule, domestic hot water load, and MBTEK sizing review.
They fit large heated areas, multi-zone hydronic systems, shops, greenhouses, commercial spaces, industrial heat, and district-style hydronic loops. They are not typical small mechanical-room appliances, so equipment access and fuel handling should be planned early.
Large Pellet Duo boilers are designed for automatic pellet operation and can also support multi-fuel biomass use such as pellets, corn, grains, and similar fuels when configured correctly. Fuel quality, moisture, ash content, and delivery logistics affect performance and maintenance.
Large Pellet Duo boilers are listed at up to 92% efficiency. Real performance depends on fuel quality, chimney draft, controls, return-water protection, cleaning, and how well the boiler output matches the building load.
Yes, a large Pellet Duo can support domestic hot water through an indirect tank, storage tank, or engineered hydronic design. Domestic hot water demand should be included in sizing because it can be a major load in commercial and multi-use buildings.
Plan chimney draft, venting, combustion air, fuel storage, ash handling, equipment access, buffer or storage tanks, controls, pumps, safety devices, and local code requirements. Commercial-scale systems should be designed as a complete mechanical room, not as a single appliance swap.
High-demand pellet boiler systems commonly benefit from thermal storage, hydraulic separation, or a properly designed buffer strategy. Storage size depends on the load profile, zoning, boiler output, cycling target, and domestic hot water design.
Autonomy depends on the model hopper, heating load, outdoor temperature, fuel quality, controls, and operating schedule. Use the specs table for hopper values, then size fuel storage and delivery around the actual project load.
Maintenance includes ash removal, burner inspection, auger and feed-system checks, heat-exchanger cleaning, flue inspection, seal checks, control review, and hydronic system service. Scheduled maintenance is especially important at commercial scale.