MPM Caldo S-I 25 kW wood gasification boiler A+ (Ecodesign, class 5)

2026-02-04T22:37:49+01:00

Vendor: MPM
Type: Wood gasification boiler
Price: 3799.00

MPM Caldo SI 25 kW

Product description

The MPM Caldo SI 25 kW is a wood gasification boiler for logs with ceramic afterburner. Its design promotes efficient combustion with low emissions and is intended for operation with a buffer tank and return temperature boost – ideal for larger single-family homes or boiler rooms with higher heat output requirements.

Highlights

Ecodesign & Class 5, energy efficiency class A+

Logs up to 50 cm, large loading chamber 110 dm³ (approx. 40 kg)

Cooling coil including BVTS valve (overheating protection)

Requirement: Operation with buffer storage from 1000 l

Areas of application

Suitable for:

larger single-family homes,

Workshop/small business;

Systems with buffer storage and return temperature boost.

Not suitable for:

Operation without buffer storage/return temperature boost;

wet wood (moisture) > 25%);

fuels other than firewood.

Technical data

Nominal heat output: 25 kW

Efficiency: 91.2%; seasonal efficiency ηs: 80%

Exhaust/chimney:

Exhaust gas temperature 130 °C;

Flue pipe Ø178 mm;

Tension 0.12–0.20 mbar;

Minimum chimney height: 7 m

Hydraulics:

Boiler water capacity 85 dm³;

Maximum operating pressure 3 bar;

Maximum temperature 90 °C;

Return temperature min. 55 °C

Dimensions/Weight:

approx. 1200 × 560 × 1350 mm;

approx. 450 kg

Scope of delivery

MPM Caldo SI 25 kW incl. cooling coil,

BVTS valve,

Exhaust fan

User manual.

Conclusion

The perfect choice when 25 kW heating power is required – efficient (A+), low-emission (Class 5) and ideal in combination with a buffer storage tank.