Hillphoenix Releases Next Generation Flex Mini Transcritical CO2 Refrigeration System for Smaller Stores
The new CO2 rack is the follow-up to the Flex Mini, which Hillphoenix has offered since 2021.
Danfoss Multi-Ejector HP with Parallel Compression Reduces CO2 System Energy Use by 21% Compared to Traditional Boosters
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.
Danfoss Unveils ‘Large CO2 Ejector’ Designed for Industrial Refrigeration Systems and Heat Pumps
The ejector has a 140-bar pressure rating and can be used with industrial racks with high-pressure or low-pressure lift systems.
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.
Copeland’s Medium-Temp Scroll Compressor Seen as Expanding CO2 Market in North America
The unit supports smaller CO2 racks and condensing units, accommodating convenience stores and small supermarkets while enabling remodels of larger stores, Copeland says.
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.
California Grant of $1.5 Million to Fund Research on Risk of Propane in Outdoor Heat Pumps
The AHRTI will lead the research, which would facilitate the use of higher propane charges in standards and the adoption of ATWHPs in the North American market.
Part 2: BAC’s Heat Rejection and Single-Phase Immersion Technology Provide ‘End-to-End’ Cooling Solution for Data Centers
BAC’s COBALT immersion cooling system enables a Houston colocation facility to run year-round without the use of mechanical cooling.
Part 1: BAC’s Heat Rejection and Single-Phase Immersion Technology Provide ‘End-to-End’ Cooling Solution for Data Centers
Jan Tysebaert, Global General Manager for Data Center Cooling at BAC, details the company’s single-phase immersion cooling technology.
Canadian Researchers Find Marked Decline of Atmospheric TFA During COVID
They attribute the drop to the reduction in usage of short-lived precursor HFO-1234yf, notably in car air-conditioning.
AHR 2026: NDL Industries Details the CO2 Components It’ll be Exhibiting
In addition to the product lineup, Paul Millard, National OEM Sales Manager, also discussed the company’s outlook on CO2 refrigeration in the U.S.
BOCK CO2 Compressors Found to Vibrate Less at Ohio Supermarket
A new Danfoss whitepaper reports an 83% reduction in vibrations of compressors compared to legacy CO2 units.
NASRC Training Event to Address CO2 Knowledge Gap in New York
The three-day February event in Poughkeepsie will offer commercial and industrial technicians classroom and some hands-on sessions as well as an exhibit hall featuring natural refrigerant products and services.
Numerous CO2-Based Products to be Featured at AHR Expo 2026
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.
Noritz and Nihon Itomic to Develop Commercial CO2 Heat Pump Water Heater for the North American Market
The new heat pump water heater will be shown at the AHR Expo 2026, which will be held in Las Vegas February 2–4.
Call for Clean Cooling and Heating Case Studies for ATMO America 2026 in New York City
Submissions from manufacturers, contractors and end users are due by March 2.
U.S. EPA Says Enforcement of January 2026 Deadlines for Technology Transitions Rule ‘a Low Priority’
January 1 deadlines addressed by reconsideration of the rule apply to 150/300 GWP limits for cold storage and remote condensing units and to HVAC installation.
New York Supreme Court Rules Against Challenge to HFC Regulations
The AHRI and HARDI may appeal the ruling, which maintains New York’s aggressive restrictions on the HFC refrigerants.
The Expert Opinion: How a Different Approach to Recruiting and AI-Powered Predictive Maintenance Tech Can Help Close the Technician Gap in the U.S.
Amrit Robbins, CEO and Co-founder of Axiom Cloud, shares his thoughts on how to accelerate the transition to natural refrigerants in the U.S.
NASRC Launches Workforce Development Initiative Under California’s F-Gas Reduction Incentive Program
This includes strengthening existing programs, acquiring equipment for hands-on learning and curating an online troubleshooting platform.
Industrial End Users Go Back to School
The Industrial Refrigeration Consortium, based at the University of Wisconsin, helps U.S. food processors and warehouses optimize refrigeration systems using ammonia or other natural refrigerants, explains Director Doug Reindl.
Copeland Debuts CO2 Scroll Compressor in North America
The award-winning unit, already available in Europe, features dynamic vapor injection that eliminates the need for parallel compression.
New York Grassroots Group Leads Successful Refrigerant Recycling Drives
New Yorkers for Cool Refrigerant Management is recognized for organizing local appliance pickups that prevent the emissions of hundreds of thousands of pounds of CO2e.
ATMO America 2026 Is Set for June 2–3 in New York City
This is the 15th edition of ATMO America and the first time the event will be held in New York.
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.
Hillphoenix Launches First Industrial CO2 Rack Platform, the AdvansorUltra
The move is a reflection of the growing adoption of transcritical CO2 systems in the industrial market and the uptick of Hillphoenix’s industrial CO2 business.
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.
Pressure Exchanger Device for CO2 Refrigeration Found to Cut Energy and Water Use at Stores in U.S. and Europe
Energy Recovery’s PX G1300 device provided up to 15% in annual energy savings and up to 460,000gal in annual water savings, the company says.
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.
U.S. EPA Proposes New SNAP Rule Supporting Hydrocarbons in HVAC
Proposed Rule 27 includes an option for accepting refrigerants based on certification by a Nationally Recognized Testing Laboratory.
Copeland Named Winner of 2026 AHR Expo Innovation Award in Refrigeration Category
The award recognizes Copeland’s transcritical CO2 scroll compressors with dynamic vapor injection technology.
Zero-C Products Sold in 2024 Avoided the Lifetime Release of 873,000 Metric Tons of CO2e and 21.5 Metric Tons of TFA
The calculation was based on a 20-year GWP and done as part of the process for reapproving Zero-C for the ATMO Approved Natural Refrigerants Label.
Zero Zone Launches New Services Division and Its First R290 Self-Contained Merchandiser
The U.S. R290 self-contained merchandiser is designed for small-format shops, including dollar stores.
FMI 2025: Manufacturers Still Moving Ahead with Natural Refrigerant Products Despite Regulatory Uncertainty
Manufacturers are pressing ahead even with the potential changes to the Technology Transitions rule.
EIA Report Supports Full Harmonization of Flammable HVAC Refrigerant Standards in U.S. with Global Standard
The current partial harmonization proposals and research considering expanded hydrocarbon charge sizes leave many current HVAC system types not yet addressed, says the EIA.
High-Temperature CO2 Heat Pump Team Is Runner-Up in New York’s Empire Technology Prize
Flow Environmental Systems, Ambient Enterprises and Gil-Bar Industries are announced as $100,000 second-place prize winner.
Canadian Researchers Find More Atmospheric TFA in the Summer and in Urban Areas
Using a novel air sampler, the study revealed trends consistent with the leakage of HFO-1234yf in car air-conditioning.
California Seeks Proposals for Risk Assessment of Residential A3 Heat Pumps
Coordinated by NASRC, the FRIP-funded project to update North American standards requires proposals from subcontractors by October 3.
The Expert Opinion: Why the AIM Act Isn’t Going Anywhere and What That Means for Natural Refrigerant Planning
Amrit Robbins, CEO and Co-founder of Axiom Cloud, on how AIM Act compliance can help operators prepare for a transition to natural refrigerants.
U.S. Developer of Water-Based Refrigeration System Moving Toward Commercialization
Inspired by CoolScupting, CleanCold Technologies’ system has a wide range of applications, including supermarkets and cold storage refrigeration, commercial air-conditioning, data centers and water-treatment facilities.
Illinois and New Mexico Exclude F-Gas Refrigerants from PFAS Laws
Though they define these refrigerants as PFAS, the states exempt those that are EPA-approved, contrary to PFAS bills in Maine and Minnesota.
Natural Resources Canada Announces Funding for Industrial Energy Efficiency Projects
Up to CA$5 million is available for eligible projects, including new zero-emissions heating and refrigeration systems.
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.
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.
NASRC Launches R-TRADE Supporters Program to Accelerate Natural Refrigerants Training for Technicians
Last year, R-TRADE provided over 25,000 hours of training to more than 2,200 technicians, according to Danielle Wright, Executive Director of the NASRC.
U.S. Federal Court Upholds HFC Reduction Under AIM Act
The ruling rejected efforts by Choice Refrigerants and IGas to stop the EPA from reducing production and imports of HFCs by 40% between 2024 and 2028.
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.
IIAR and ASHRAE Update Memorandum of Understanding
The trade groups share a common goal of enhancing cooling, freezing and heat pump industry standards and practices.
ATMO America: Energy Recovery’s PX G1300 Could Improve the COP of Transcritical CO2 Refrigeration Systems by up to 15% at 95°F, Says Hillphoenix
In a Salinas, California, store operated by Vallarta Supermarkets, the device slashed the adiabatic gas cooler’s water consumption by 98%.
ATMO America: Integrated Transcritical CO2 System Supports Walgreens’ Net-Zero Energy Store
The R744 rack from U.S. OEM Zero Zone serves the store’s refrigeration, HVAC and hot water needs and is largely powered by onsite renewables.