Fenagy A/S

Leading the way in large-scale heat pumps

Fenagy is the top supplier of large CO₂ heat pumps for Danish district heating. We develop and manufacture industrial electric heat pumps using only natural refrigerants, ensuring eco-friendly, PFAS-free heating while eliminating fossil fuel use. We also provide industrial refrigeration and combined heating and cooling solutions, enabling waste heat recovery from data centers and other sources.

Who we are

Founded in 2020, Fenagy has rapidly grown to nearly 100 employees at our facilities near Aarhus, Denmark. Our vision is a greener, more sustainable energy system, and we are committed to natural refrigerants and energy-efficient solutions. As both an OEM and a project-driven company, we collaborate closely with customers and partners, offering 24/7 service support with highly praised reliability and responsiveness.

What we offer

Fenagy’s heat pumps and cooling systems use CO₂, propane, and isobutane – covering a wide range of applications. Our heat pumps deliver capacities from 300 kW to 6 MW per unit, with multi-unit setups exceeding 20 MW. Designed for renewable energy integration, they feature fast start/stop for optimal efficiency, patented ejector technology, robust defrosting for air-source heat pumps, stainless steel piping and Siemens PLC control.

NIS2 compliant

Cybersecurity is key to modern energy systems. As an NIS2-compliant company, we ensure our solutions are protected against digital threats.

Learn more at www.fenagy.dk and follow us on LinkedIn for weekly updates.