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PRO Series — Simple, Off-Grid Wood Heat
Heating Capacity: Up to 3,000 ft²
The larger PRO model, sized for bigger homes and shops needing more output while keeping the same no-electricity operation.
Shipping$759Free
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Installed in real homes and workshops
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.
Slash Your Heating Bills
Maximize savings with high-efficiency automated wood chip combustion.
High-efficiency manual-feed biomass boiler designed for off-grid and electricity-free operation, delivering reliable heating with clean combustion and thermostatic control for residential applications.
| Heat area | Up to 3,000 ft² |
|---|---|
| Weight | 590 lb |
| Width | 18 in |
| Depth | 28 in |
| Height | 55 in |
| Firebox size | 28 gal |
| Log length | 17 in |
| Power supply | No electricity needed |
| Water flow through boiler | 5.72 GPM |
| Hydraulic resistance | Up to 2.18 PSI |
| Chimney diameter | 6.25 in |
| Fuel types | Wood, coal, and briquettes |
| Efficiency | 86% |
| Operating limits | Max 185°F water temperature; water pressure must not exceed 15 psi (safety valve required per manual) |
Answers
No — PRO is a traditional, non-gasification wood boiler. It's the simpler, lower-cost option in MBTEK's wood-boiler line, built for buyers who want reliable off-grid heat without gasification-level controls.
No. PRO is the only wood boiler in MBTEK's line that runs with zero electrical draw — it needs no controller, fan, or power supply, which makes it a fit for off-grid sites or areas prone to power outages.
Yes — PRO burns wood, coal, or briquettes, giving it more fuel flexibility than MBTEK's other wood-boiler families, which are wood-only.
PRO 11 covers up to 1,500 ft², and PRO 30 covers up to 3,000 ft². Choose based on your building's heating load — final sizing should account for heat loss, insulation, and climate.
Yes — PRO can supply domestic hot water alongside space heating when paired with an indirect water heater tank such as the APOLLO DHW80.
Verified Google reviews from MBTEK customers across our heating and hydronic product lines.
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Need an installer?We made it easy for you.
Listed installers are independent contractors, not MBTEK employees. They're skilled professionals familiar with our products and capable of efficient installation.
Any questions?Reach out to us.
Our team can help with product questions, sizing guidance, and next steps.