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Home » Interview
Noah Song, CEO of ArkRef, a Chinese industrial company making CO2 refrigeration systems

Interview: China Will Be the World’s Leading Market for Natural Refrigerant Systems, Says ArkRef’s CEO

NaturalRefrigerants.com spoke to Noah Song about the company’s work with CO2 and propane and the state of naturals in China.

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Interview: Güntner’s Head of Technologies and Innovation on the Transition to Natural Refrigerants and How Its Enhancing System Performance

Michael Freiherr shared the company’s vision for the future of the HVAC&R industry with NatrualRefrigerants.com.

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Carly CO2 oil separator

Carly’s CEO and Technical Director Detail the Design of the TURBOIL-R-P 14 Oil Separator for Transcritical CO2 Refrigeration Systems

The TURBOIL-R-P 14 recently received UL certification and will soon be available in the United States.

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Anton-Zupančič, CEO of Systemair Slovenia. Photo credit: Systemair Slovenia

Systemair Slovenia’s CEO Details the Next Step for Its AHU with an Integrated CO2 Heat Pump and Stance on PFAS

In addition to products and PFAS, Anton Zupančič also spoke with NaturalRefrigerants.com about the trends the company is watching.

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Server racks at a Google data center in New Albany, Ohio.

Part 2: After Decades in Data Center Cooling, This Is Where Carel Sees the Industry Headed Next

Enrico Boscaro, Group Marketing Manager for HVAC Industrial at Carel, shares his insights into Eurovent’s work in the sector and how he sees it evolving.

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An engineer at SWEP examining the plate of a brazed plate heat exchanger. Photo credit: SWEP

Interview: SWEP Shares Insights Into Its Work With Natural Refrigerants and 2025 Factory Expansion in China

Joakim Palmberg, Marketing Director at SWEP, also shared why the company joined the NaturalRefrigerants.com marketplace as a silver partner.

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RSG's factory in Ingelfingen, Germany. Photo credit: RSG

Interview: RSG’s Product Manager Discusses the Company’s Approach to Designing Compact, Custom Valves for CO2 Refrigeration Systems

‘We see it as our responsibility to develop resource-saving valve solutions that are both technically and ecologically sound,’ said Mathias Kreß, Product Manager at RSG.

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The 2025 Industrial Heat Pumps Conference will be held in Prague. Photo credit: Daniel Frank for Pexels.

District Heating, High-Temperature Steam, Financing and More Are on the Agenda at the 2025 Industrial Heat Pumps Conference

The event will be held November 4–5 in Prague and is being organized by Exergie.CZ.

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A DENSO building.

IAA 2025: DENSO Gives an Update on the R290 MAC Components Its Developing for EVs

NaturalRefrigerants.com spoke with Dr. Werner Hünemörder, Senior Technical Manager/Product Planning & Advanced Engineering, during the show.

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The supermarket’s R744-based HVAC&R system is powered by PV panels. (Source: Migros Ticino)

The Migros Group on CO2 Refrigeration in Its Supermarkets and the Progress It’s Making Toward Using Only Naturals by 2040

Natural refrigerants are used in 80% of Migros’s supermarkets, food processing facilities and logistics centers.

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Kriwan Gold Partner

Kriwan’s CEO Shares How His Company is Helping Solve Technical Challenges in Natural Refrigerants

The company is currently developing VSDs for compressors, pumps and fans operating in high ambient temperatures as well as a two-phase mixture sensor.

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Enex Technologies' headquarters in Vacil, Italy. Photo credit: Enex Technologies

Enex Technologies’ Product Management Director on the Company’s Strategy for Releasing One New Natural Refrigerant Product a Month

The company manufactures HVAC&R systems using natural refrigerants, including ammonia, CO2, propane and water.

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The Typhon Technologies TTLLS-Cable – Liquid Level Sensor

Typhon Technologies CEO on the Company’s ‘Breakthrough’ Ammonia Product and Emerging Trends in Liquid Level Sensors

The product is currently being tested in a pilot in Denmark.

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The Harvest Pod, which controls the Harvest heat pump system.

Harvest to Ramp Up Production of Its Smart CO2 Home Heat Pump After Receiving $1.6 Million California State Grant

The company can now go from producing hundreds of units per year to thousands and eventually tens of thousands, according to its CEO and Co-Founder.

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The logo of Triton Partners inside of its office

Private Equity Firm Triton Partners Aims to Create a Market Leader for Sustainable Refrigeration and Air-Conditioning Technology

Andi Klein, Head of the Smaller Mid Cap Fund, spoke with NaturalRefrigerants.com about how sustainability drives Triton’s investments.

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The interior of a Lidl supermarket in Germany

Bluu unit’s New CEO Shares His Vision for the Alliance of Natural Refrigerant-Focused HVAC&R Contractors

Frank Jansing also shared how the alliance supports its members in growing their businesses and with recruitment and training.

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Bluu Unit is building an alliance of natural refrigerant contractors in Germany, like the heat pump technician in this photo.

Bluu Unit Is Building an Alliance of Natural Refrigerant Contractors in Germany Backed by Private Equity

CEO Peter Hettich spoke with NaturalRefrigerants.com about the new organization and its objectives.

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Refra R290 HVAC

Refra CEO Predicts Big Growth for Its R290 HVAC Systems

R290 HVAC systems could be 80% of the business by 2030, says Aleksej Pavšukov in exclusive interview.

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Panasonic CO2 Condensing Units in Europe: Live Interview

CO2 Condensing Units in Europe: Interview with Panasonic’s Benjamin Tissot

With CO2 condensing units gaining traction with European retailers and foodservice operators, Benjamin Tissot, CO2 Business Development Manager for Panasonic Europe, will discuss the adoption of his company’s CO2 condensing units in a live interview…

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Live interview about CO2 refrigeration with Sergio Girotto from enex

CO2 Refrigeration: Live Interview with Enex President Sergio Girotto

Girotto will discuss his experience designing and manufacturing high-efficiency CO2 refrigeration systems on June 1, 3pm CEST (9am EST).

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Andreas Meier TEKO Natural Refrigerants

‘The Future is Natural,’ Says TEKO’s Managing Director

Andreas Meier described the German OEM’s transition from f-gas to mostly CO2 systems at the ATMO World Summit.

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CO2 Heat pumps: Live Interview with Fenagy CEO Kim Christensen

CO2 Heat pumps: Live Interview with Fenagy CEO Kim Christensen

NOTE: The live streaming has now finished, but you can watch the full  Fenagy interview here on YouTube. Heat pumps have gotten an enormous boost recently, with interest booming from a…

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