NaturalRefrigerants.com spoke with leaders at Danfoss, Heatcraft, Hillphoenix Kysor Warren Epta US and Zero Zone about the development of the CO2 CDU market in North America.
Danfoss and Dorin currently offer six-cylinder units, with both expecting to introduce eight-cylinder compressors around 2027.
‘With our new semi-hermetic screw compressors, we already have propane delivering hot water up to 70°C and isobutane systems producing 90°C, with testing underway to up to 100°C,’ said Industrial Heat Pump Director Ivan Rangelov.
The Turbocor TNS385 has a maximum capacity of 385kW and is designed for air-cooled chillers.
U.S. field tests show that the device reduces compressor cycling by as much as 47%, with savings starting in temperatures as low as 50°F.
The ejector has a 140-bar pressure rating and can be used with industrial racks with high-pressure or low-pressure lift systems.
A new Danfoss whitepaper reports an 83% reduction in vibrations of compressors compared to legacy CO2 units.
CO2 heat pumps, racks, condensing units, compressors, valves, tubes and oil separators will be exhibited at the event, scheduled for February 2–4, 2026, in Las Vegas.
Danfoss is working with the Danish Technological Institute and Fenagy on a modular propane/butane heat pump capable of generating steam at 200°C.
In addition to what we published this week, these stories caught our eye.
The new CO2 store could cut energy use by 20–30% compared to a similar R404A-based refrigeration system and chilled-water AC.
Manufacturers are pressing ahead even with the potential changes to the Technology Transitions rule.
By 2032, hydrocarbons, CO2 or ammonia are set to be dominant refrigerants in residential, commercial and industrial stationary refrigeration across the EU.
The unit, slated for use in a South Island dairy farm, provides thermal storage for roughly 500kg of ice.
The event, organized by Bitzer and held June 6–7, also featured presentations on a butane high-temperature heat pump and a CO2 chiller system that cools the Large Hadron Collider.
The event was held April 27‒29 in Shanghai and featured Pansonic, Dorin and Bfresh, among many others.
The Innovation of the Year short list features products from Hillphoenix, OLAB, Bitzer and Danfoss.
With a propane charge of less than 2.5kg, the new unit provides a heating capacity of 87kW with an outlet temperature of up to 75°C.
The dew point technology kept an Adelaide supermarket’s CO2 system condensing below 26°C, even in ambient temperatures as high as 43°C.
NeoCharge has been installed in 25 facilities, four of which are in North America.
The company has also released a PLC universal programmable controller compatible with third-party equipment for total store control.
Strand, currently the company’s Divisional President of Commercial Compressors, will succeed Jürgen Fischer upon his retirement in April.
The Danish HVAC&R company manufactures components for commercial and industrial CO2, hydrocarbon and ammonia systems.
The six-cylinder compressor is designed for industrial refrigeration, cold storage, ice sports facilities and heat pumps industrial applications.
The water-to-water heat pump has a capacity of 4.7kW and a COP of 3.85.
Amman, Jordan, store is saving 40,000kWh per year in a high-temperature climate after leap-frogging from R22 to CO2, bypassing HFCs.
The short list consists of products from Energy Recovery, OLAB and Danfoss.
Ejnar Luckmann, the store’s Technical Manager, gave ATMOsphere an exclusive tour of the smart store.
Technical presentations and product showcases highlight the industry’s evolving regulations, trends and products.
Danfoss called the acquisition of BOCK’s reciprocating CO2 compressors a ‘natural fit’ for Danfoss’ existing compressor and component portfolio.
The Danish HVAC&R manufacturer’s new scroll range VZN includes five variable-speed compressors covering 25–68kW and features a brand-new drive.
The air-to-water unit provides 200‒600kW of heating capacity, and the OEM said it can be installed in just one day.
In departure from norm, the heat pump will supply hot water for both space heating and domestic use in small commercial operations.
The EU funded MultiPACK project tested Integrated CO2 heat pump systems in two Italian hotels and found COP values up to 6, depending on the ambient temperatures
The OUB range includes serviceable and sealed models, with capacities ranging from 89 to 1,400kW.
In addition to what we published this week, these stories caught our eye.
