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Vitobloc 300

Viessmann CHPP
Vitobloc 300
Vitobloc 300

Vitobloc 300

Combined heat and power unit for natural gas and LPG operation

  • Electrical output: 15 or 20 kW
  • Thermal output: 38.3 or 46.5 kW
  • Smooth running 4-cylinder engines
  • H₂ ready 20 %
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Vitobloc 300

The Vitobloc 300 Type NG 15 / NG 20 is a compact CHP unit designed for small to medium‑scale applications with continuous heat demand. It simultaneously generates electricity and usable heat, delivering high overall efficiency and attractive operating economics.
With hydrogen‑blend readiness, flexible fuel options, long maintenance intervals, and Viessmann’s advanced ViNCI control system, the Vitobloc 300 is ideal for small businesses, apartment buildings, hotels, restaurants, leisure facilities, and commercial premises seeking reliable decentralised energy generation.

Vitobloc 300

Electrical Output Options

15 kW (Type NG 15) 20 kW (Type NG 20) Ideal for decentralised electricity generation with high self‑consumption.

Thermal Output

38.3 kW (Type NG 15) 46.5 kW (Type NG 20) Suitable for space heating, domestic hot water, or buffer charging.

Smooth‑Running 4‑Cylinder Engines

Four‑cylinder gas engines ensure low noise emissions and smooth operation, making the unit suitable for indoor installation.

Reduced Installation Effort

The water‑cooled generator minimises additional installation work and improves operational stability.

ViNCI CHP Control System

Viessmann’s proprietary ViNCI control platform manages:

Electricity and heat generation
Load‑dependent operation
Safety and diagnostics

Integral LAN Interface

Enables remote monitoring, diagnostics, and performance optimisation via network connection.

Flexible Parameterisation

System parameters can be adapted to plant‑specific operating requirements, supporting tailored energy strategies.

Remote Monitoring & Automation

Proven monitoring systems support automated operation, fault alerts, and reduced downtime.

Document Name Description Document Type Language Action
Technical Data Manual Vitobloc 300 NG 20 PDF English Download
Technical Data Manual Vitobloc 300 NG15 PDF English Download
How does hydrogen‑blend readiness benefit future operation?

H₂‑ready capability allows continued operation as gas networks transition toward hydrogen‑enriched fuels.

What makes this CHP unit economical in daily operation?

High self‑consumption, long maintenance intervals, and efficient CHP operation combine to lower overall energy costs.

Is the Vitobloc 300 suitable for noise‑sensitive locations?

Yes. The smooth‑running 4‑cylinder engine ensures low noise emissions suitable for installation near occupied spaces.

How does CHP benefit facilities with hot water demand?

Continuous hot water demand allows the CHP unit to operate longer, maximising electricity generation and efficiency.

How Can We Help?

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and information

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    calculation analysis, and technical data required for project design.

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    Aftermarket Service

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    scheduled maintenance, and genuine spare
    parts ordering.

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    For more information : ahi@ahi-carrier.com