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Caluwe Inc. is one of America’s preeminent designers and builders of advanced biomass heating installations.

With over fifteen years of experience and over 350 projects nationwide, Caluwe will provide turnkey solutions to your most challenging heat and combined heat and power (CHP) energy needs.

We carry a full range of modern biomass heating and combined heat and power technology to meet residential, institutional, commercial, and industrial needs for heat energy from renewable and low carbon woody biomass fuels.


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Caluwe, Inc. is a renowned company specializing in biomass heat and power solutions. With a commitment to sustainability and renewable energy, Caluwe, Inc. offers innovative technologies and comprehensive services to meet the heating and power generation needs of various sectors, including residential, commercial, industrial, and institutional.

As a leading provider of biomass heating systems, Caluwe, Inc. designs, manufactures, and installs state-of-the-art equipment that utilizes biomass fuels such as wood chips, wood pellets, and agricultural residues. Our biomass boilers, furnaces, and cogeneration systems are known for their exceptional performance, efficiency, and reliability.

Caluwe, Inc. takes pride in its focus on customized solutions tailored to the specific requirements of each client. Their team collaborates closely with customers to understand their energy needs, facility characteristics, and sustainability goals. This personalized approach ensures that Caluwe, Inc. delivers the most efficient and cost-effective solutions that optimize energy utilization and minimize environmental impact.

The company’s expertise extends beyond equipment manufacturing. Caluwe, Inc. provides comprehensive project management services, encompassing feasibility studies, system design, installation, and ongoing maintenance and support. We can handle every aspect of the project, ensuring a seamless transition to biomass heat and power solutions.

Caluwe, Inc.’s commitment to quality and performance is evident in its adherence to rigorous industry standards. The company’s products comply with international certifications and safety regulations like EN, UL, CSA ans ASME, guaranteeing the highest standards of reliability, efficiency, and operational safety. Caluwe, Inc. stays up to date with the latest technological advancements in biomass heat and power, consistently improving their offerings to provide cutting-edge solutions.

In addition to their core product range, Caluwe, Inc. offers a wide array of auxiliary equipment and accessories that complement their biomass heating systems. This includes fuel handling systems, automated feed mechanisms, emission control devices, and energy storage solutions. By providing a comprehensive suite of equipment, Caluwe, Inc. ensures that customers have everything they need to maximize the benefits of biomass energy.

One of the standout features of Caluwe, Inc.’s solutions is their emphasis on sustainability and environmental responsibility. By utilizing biomass fuels, Caluwe, Inc. helps reduce greenhouse gas emissions and dependence on fossil fuels. Their systems are designed for optimal combustion efficiency, ensuring minimal air pollution and low emissions. Caluwe, Inc. also promotes sustainable forestry practices by encouraging the use of responsibly sourced wood chips and pellets. The company supports certifications such as the Forest Stewardship Council (FSC) and the Sustainable Biomass Program (SBP), ensuring that the biomass fuel used in their systems comes from sustainable and well-managed sources.

Caluwe, Inc.’s customer-centric approach is reflected in their commitment to providing ongoing support and maintenance services. The company offers training programs to equip customers with the knowledge and skills to operate and maintain their biomass heating systems effectively. Our responsive technical support is available to address any inquiries or issues promptly, ensuring uninterrupted operation and optimal performance of the systems.

With a strong track record of successful projects across various sectors, Caluwe, Inc. has established a reputation as a trusted partner in the biomass heat and power industry. Their solutions have been deployed in residential buildings, schools, hospitals, manufacturing facilities, district heating networks, and more. Caluwe’s clients benefit from substantial energy cost savings, reduced environmental footprint, and enhanced energy security.

Caluwe, Inc. is a leading provider of biomass heat and power solutions, offering customized systems and comprehensive services to meet the diverse energy needs of their clients. With a focus on sustainability, innovation, and customer satisfaction, Caluwe stands as a reliable partner in the transition to renewable energy and the achievement of a greener and more sustainable future.