...
  • Partners
  • Directory
  • Marketplace
  • News
  • Events
  • About
  • Partners
  • Directory
  • Marketplace
  • News
  • Events
  • About
Advertise Your Products
Home » United States
An image of Rivacold's CO2 CDUs installed on the lower roof of the Brattleboro Food Co-op’s Vermont grocery store.

Rivacold CO2 CDUs and R290 Monoblocs Enable Sustainable Retrofit at Vermont Food Co-op

The units, totalling 32.1TR of capacity, support a piecemeal solution for the space- constrained store, according to contractor Turner Piping.

Read more
An image of the Roxsta G6 CO2 refrigeration system manufacturered by Vitalis for the Pennsylvania facility.

Pennsylvania Food Processor Installing 185kW Vitalis CO2 Refrigeration Compressor Rack

The Roxsta G6 unit will blast-freeze steamed dumplings at an evaporating temperature of −42°C at the Bethlehem facility.

Read more
The CO2One Single Condensing Unit from Hillphoenix

Industry Roundtable: CO2 Condensing Units Are Gaining Traction in North America

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.

Read more
The independent grocers panel at ATMO America 2026

ATMO America: Independent New York Grocers Embracing CO2 Refrigeration Ahead of State HFC Regulations

Despite a 15‒16% CO2 CAPEX premium, Uncle Giuseppe’s projects a six-year ROI through lower energy and refrigerant costs.

Read more
KW-rack

Kysor Warren Epta U.S. to Have Five FTE Transcritical Installations

Five stores in the southern U.S. will use FTE technology to increase efficiency in warm climates.

Read more
A Kroger supermarket. Photo credit: jetcityimage for iStock

Kroger Agrees to $100M Refrigeration Overhaul at 600 Stores to Settle Clean Air Act Violations

In addition, the retailer will pay a $2.5 million civil penalty for failing to promptly repair R22 refrigerant leaks.

Read more
Kroger Grocery Store

NGOs Urge Consumers to Pressure Kroger to End Use of HFCs

Green America and EIA invite consumers to sign a letter to Kroger’s CEO urging him to phase out HFCs in all facilities by 2030.

Read more
krogerAGM

Kroger Faces Pressure from Stakeholders and Consumers to Act on HFCs

Over one third of Kroger’s shareholders have voted in favor of a resolution requiring the chain to issue a report on its plans to ‘address its HFCs.’

Read more
The Boston waterfront

Boston Explores Heat Pumps for District Heating and Cooling Using Local Waterways

In 2025 members of the Boston Green Ribbon Commission visited the 30MW CO2 seawater heat pump system in Esbjerg, Denmark.

Read more
Dorin's 160HP six-cylinder CO2 compressor on display at IIAR 2026.

IIAR 2026: U.S. CO2 Sales Rising Alongside Industrial Demand for Larger Compressors

Danfoss and Dorin currently offer six-cylinder units, with both expecting to introduce eight-cylinder compressors around 2027.

Read more
An image of Heatcraft's booth at AHR Expo 2026, showcasing new CO2 products and training.

Heatcraft Unveils 90Bar CO2 Low-Profile Cooler and 15HP CO2 Condensing Unit

The U.S. manufacturer is also opening a new training center at its Georgia facility, with certification programs covering CO2 applications.

Read more
An image of a BiOS automated ultra-low temperature unit in a biobanking application. The unit used CO2, R290 and R170 refrigerants.

Hamilton Storage Transitions Automated Ultra-Low-Temperature Portfolio to Natural Refrigerants

The company’s BiOS line, designed for −80°C biological sample storage and management, now operates with CO2 and hydrocarbon refrigerants.

Read more
An image of St. Paul Steamfitters/Pipefitters Union (Local 455) where Flow Environmental Systems installed an ANSWR CO2 heat pump for training and demonstrations.

Flow Environmental Services, St. Paul Local 455 Team Up for CO2 Heat-Pump Training and Demonstrations

The ANSWR unit, connected to geothermal and outdoor air heat sources, will meet the base HVAC load of the 100,000ft2 union building.

Read more
Copeland has a new R&D center in Pune, India, that will research natural refrigerants

Copeland Takes Step Toward Public Listing With Confidential U.S. IPO Filing

Since becoming a standalone company in 2023, Copeland has launched over 120 new products and 430 patents, says CEO.

Read more
An aerial overview of Boston. A 35MW ammonia heat pump is being installed in the area to serve a district heating network.

Vicinity Energy Preparing Boston-Area Facility for 35MW Ammonia Heat Pump Installation

The system will deliver steam at over 300°C and up to 50bar pressure using the city’s existing infrastructure, says Everllence.

Read more
A Target store. Target is using Skycool's heat rejection panels in stores with its CO2 refrigeration systems, among others.

FMI 2025: Target Prioritizing Skycool Heat Rejection Panels for Subcooling and Desuperheating Refrigeration Systems, Including CO2

The reflective panels kept a Texas CO2 store operating subcritical all summer, according to Target’s Director of Refrigeration.

Read more
The American Lung Association's Industrial Heat Pump study front cover

Broad Adoption of Industrial Heat Pumps in the U.S. Could Prevent More Than 77,000 Premature Deaths, Study Finds

Shifting from fossil fuel-based boilers to heat pumps in industrial applications could also provide roughly $350 billion in climate benefits.

Read more
Technicians at an NASRC Training Summit examining a compressor. Photo credit: The NASRC

The Expert Opinion: Technicians are the Key to Accelerating the Natural Refrigerant Transition in the U.S.

Morgan Vanzo, Senior Director of the NASRC, shares how the organization’s R-TRADE program is equipping technicians to work with natural refrigerants.

Read more
Copeland CO2 North America

ATMO America: Copeland Prioritizing CO2 Refrigeration Adoption in North America, Says Director of Solutions Strategy

The company operates a collaborative CO2 lab in Ohio and supports industry education with open knowledge sharing.

Read more
Heat Pumps ACEEE

Window-Mounted Heat Pumps Offer Lowest-Cost Solution to Decarbonize Multifamily Buildings, According to ACEEE Study

Units from Gradient and Midea are part of a pilot project being run by the New York City Housing Authority.

Read more
Joe Sigg, Senior Project Engineer at Wakefern, presenting at ATMO America 2025.

ATMO America: Connecticut Retailer Begins Transition to ‘Future-Proof’ CO2 Refrigeration

Cingari Family Markets has already remodeled three of its 12 ShopRite stores, with three more currently in the design stage.

Read more
Americold Ammonia CO2

ATMO America: Packaged Low-Charge Ammonia and Transcritical CO2 Systems are Blueprints for Future Cold Storage, Says Americold

The logistic provider’s newest warehouses include a 600TR ammonia system in Missouri and a 240TR CO2 system in New Brunswick, Canada.

Read more
Sandrine Benard, of the Norwegian Environment Agency

The EU, Norway Urge Precautionary Approach to TFA at 47th OEWG

The prevalence of HFO byproduct TFA in the environment and its potential toxicity belie a new report by the Montreal Protocol’s TEAP that TFA poses little risk, the delegates say.

Read more
Scott Timms, G&D Chillers, presenting about a propane chiller for a craft brewery at the ATMO America Summit 2025

ATMO America: New Belgium Brewing Sees Energy Efficiency Ratio of 8.85 with New Propane Chiller

The 30TR system from G&D Chillers supports the Colorado brewery’s CO2 recovery equipment.

Read more
Hussmann's Protocol CO2 rack.

Hussmann Launches Protocol CO2 Rack for Commercial Refrigeration Applications in U.S.

The new R744-based distributed rack system offers a sustainable retrofit solution with minimal operational disruption, the manufacturer says.

Read more
Dennis Flaherty, Charles Demirjian, Kara Demirjian Huss, Governor JB Pritzker, TCCI President Richard Demirjian stand in front of the new electric compressor manufacturing line

New TCCI Manufacturing Innovation Center in Illinois Will Research ‘Natural Refrigerant Technologies for EVs’

The facility will conduct both R290 and CO2 research and system-level testing, according to TCCI’s President, Richard Demirjian.

Read more
G&D Chillers R290 Chiller

G&D Chillers Launches New Compact R290 Chiller Line for the U.S. Market

The line offers 0.5‒165TR refrigeration capacities in a smaller footprint than the company’s Elite 290, with variable speed fans.

Read more
CRS CO2 Package

IIAR 2025: U.S. Manufacturer CRS Releases 60 and 90TR Transcritical CO2 Skid Packages

The units offer a saturated suction temperature range from −32 to 35°F, with extended options dropping to −50°F for colder applications.

Read more
Mayekawa’s low-charge ammonia-based mCHILLER TAKA. Photo credit: Mayekawa USA

IIAR 2025: Mayekawa Introduces Standard Air-Cooled Ammonia Chiller to the U.S.

The mCHILLER TAKA unit is designed for industrial, semi-industrial and commercial applications, serving cooling capacities of 52kW to 1.7MW.

Read more
Carel R290/CO2 Case Controller

AHR 2025: Carel Adapts R290/CO2 Case Controller for the U.S. Market

The company is also making its CO2 ejector manager and STone, a programmable total store controller, available in the U.S.

Read more
As of 2024, 4,970 commercial and industrial facilities in North America had transcritical CO2 systems installed.

Adoption of Transcritical CO2 Refrigeration in North America Increased by 45% in 2024

There were an estimated 4,970 North American supermarkets and industrial sites using R744, along with 1,230 low-charge ammonia installations and 4.6 million hydrocarbon refrigerated display cases.

Read more
Wilo Pump Hydronic Systems

AHR 2025: Wilo U.S. Showcases 2 New In-Line Pumps for Hydronic Systems

Wilo plans to launch an up to 30HP in-line pump with variable speed drive and a 4-to-8in unit with a 1.5‒150HP range.

Read more
Multistack’s concept CO2-based hot water heat pump on display at AHR 2025.

AHR 2025: Multistack Unveils Concept CO2 Heat Pump for Commercial Hot Water Applications

The unit, which is not yet commercially available, can produce hot water temperatures up to 65.6°C with a 55.6°C lift.

Read more
Vitalis at the 2025 AHR Expo

AHR 2025: Universities Driving CO2 Heat Pump Adoption in North America, Says Vitalis

According to the Canadian OEM, universities are choosing CO2 heat pumps for their district energy networks due to the technology’s sustainability and favorable lifecycle costs.

Read more
Westermeyer Industries CO2 Products

AHR 2025: Westermeyer Industries Showcases 3 New Products for CO2 Applications

The company has brought an electronic sight glass, a no-calibration liquid level probe and an extended liquid level switch to the show.

Read more
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.

Read more
The DCT One, the CO2 heat pump from Dalrada

Dalrada’s CEO Has His Eye on the Emerging U.S. CO2 Heat Pump Market

Brian Bonar spoke with NaturalRefrigerants.com about the company’s new commercial CO2 heat pump, coming to market in 2025.

Read more
Frick Ammonia Heat Pump

Frick’s New Heat Pump Piggybacks on an Ammonia Refrigeration System to Produce Up to 190°F Hot Water

The unit replaces boilers for industrial processes, using the ammonia from the cooling system’s condensers as a heat source.

Read more
GreenChill supermarket awards

Target, ALDI US Recognized by EPA GreenChill Program for Certified Stores Using Transcritical CO2

At the GreenChill supermarket awards ceremony at FMI Energy & Store Development Conference in Orlando, Florida. From left: Kersey Manliclic, EPA; Kari Watts, Target; Erich Schwab, Target; Bella Maranion, EPA.

Read more
Coilpod

Coil-Cleaning Company Selected by U.S. Department of Energy as Promising New Innovator

CoilPod’s dust hood and impending pre-cleaner aim to keep condenser coils in commercial plug-in cases clean, thereby cutting energy costs.

Read more
Francisco Picazo, Project Manager for Grupo Bimbo, speaking at ATMO America 2023

Bakery Giant Grupo Bimbo Continues Transition to Natural Refrigerants

More than 10% of its sites are fully running natural refrigerant technologies, with an additional 10% to be added by the end of 2023.

Read more
Policy 1 1

U.S. DOE finances development of CO2-based energy storage

The U.S. Department of Energy (DOE) announced last week that it had given a $3-million grant to develop a low-cost, long-duration electrical energy storage system that uses a CO2 heat pump. This…

Read more
Tequs is displaying two of its CO2 heat pumps at Chillventa 2024.

Chillventa 2024: Tequs Targets U.S. Market with CO2 Heat Pump Expansion Plans

The Norwegian company is eyeing the North American market with UL certification underway and field testing slated for 2025.

Read more
NASRC’s latest Natural Refrigerants Training Summit took place in Irwindale, California, in May 2024. (Source: NASRC)

The NASRC Launches R-TRADE With the Goal of Training More Than 14,000 Refrigeration Technicians

Amazon, Costco and Walmart are some of the companies providing financial support to the program.

Read more
Attendees at the FMI Conference

CO2 Refrigeration Gaining Traction in U.S. Retail, Say Manufacturers at FMI Conference

‘We are selling roughly 50% more CO2 compressed gas than we were a year ago,’ says Eastern U.S. supplier.

Read more
Panasonic's 2HP, 4HP, 10HP and 20HP CO2 outdoor condensing units. (Source: Panasonic)

Panasonic Sees Growing Demand for High-Capacity CO2 Condensing Units in Europe and the U.S.

Interest has been rising as European supermarkets gain confidence in the technology, according to Gaku Shimada, GM of Panasonic’s Condensing Unit Engineering Department.

Read more
Evapco LMP CO2

Evapco LMP Sees ‘Big Trend’ in Demand for Industrial CO2 Systems in North America

The Canadian company has installed more than 430 transcritical CO2 systems, with one as far south as Costa Rica.

Read more
CO2 Heat Reclaim

Boosted Direct CO2 Heat Reclaim Recovers 3x More Heat Than Standard Reclaim, Says Canadian OEM

Flō Energy Solutions told NaturalRefrigerants.com that multiple grocery store chains will install the technology at stores this winter.

Read more
Echogen CO2 Heat Pump

Echogen Power Systems to Develop 500kW CO2 High-Temperature Heat Pump With $3M U.S. DOE Award

The company will build a pilot-scale system capable of generating over 300°C air from ambient sources for industrial applications.

Read more

Westermeyer’s Transcritical CO2 Centrifugal Oil Separator Operates in Temperatures from −20 to 500°F

The company’s sales manager outlines the completed patent application details to NaturalRefrigerants.com.

Read more
Load more

CONTACT US

By phone:

Europe: (+32) 2 808 90 57
United States: (+1) 332 223 4004
APAC: (+81) 80 2165 9629

By email:

info@naturalrefrigerants.com

JOIN US

  • Newsletter
  • Advertise Your Products
  • Terms of Use
  • FAQs

FOLLOW US

Linkedin Youtube Spotify Apple
Published by:
ATMOsphere_white_logo
Manage Consent
To provide the best experiences, we use technologies like cookies to store and/or access device information. Consenting to these technologies will allow us to process data such as browsing behavior or unique IDs on this site. Not consenting or withdrawing consent, may adversely affect certain features and functions.
Functional Always active
The technical storage or access is strictly necessary for the legitimate purpose of enabling the use of a specific service explicitly requested by the subscriber or user, or for the sole purpose of carrying out the transmission of a communication over an electronic communications network.
Preferences
The technical storage or access is necessary for the legitimate purpose of storing preferences that are not requested by the subscriber or user.
Statistics
The technical storage or access that is used exclusively for statistical purposes. The technical storage or access that is used exclusively for anonymous statistical purposes. Without a subpoena, voluntary compliance on the part of your Internet Service Provider, or additional records from a third party, information stored or retrieved for this purpose alone cannot usually be used to identify you.
Marketing
The technical storage or access is required to create user profiles to send advertising, or to track the user on a website or across several websites for similar marketing purposes.
  • Manage options
  • Manage services
  • Manage {vendor_count} vendors
  • Read more about these purposes
View preferences
  • {title}
  • {title}
  • {title}
Go to top
Close

Search

View more
Close

My Account

Login Register

Lost your password?

A link to set a new password will be sent to your email address.

Close

Cart

Shopping Cart 0

No products in the cart.

  • Shopping Cart 0
  • Login