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Jae O. Haroldsen

Jae O. Haroldsen has covered the HVAC&R industry for three years with a focus on natural refrigerants in residential, commercial and industrial applications. With her professional civil engineering background, Jae brings a technical lens to her reporting. As a staff writer for NaturalRefrigerants.com, she covers global policy shifts, emerging technologies and industry trends that are shaping the future of cooling.

2025-11-18Mobile Air ConditioningEurope

ATMO MAC: Aurora Involves TÜV Süd in Safety Approach to Develop and Test R290 HVAC for Electric Buses

An electric bus in Washington, D.C. Aurora's R290 MAC system is for electric buses.

2025-11-14PolicyEurope

U.K. Government Asks for Input on Revised HFC Phase-Down Regulation

A graphic of the Tower Bridge in London. The U.K. Government seeks input from industry stakeholders regarding the proposed options to revise the country's HFC phase-down regulation.

2025-11-13

GIZ to Host Webinar Showcasing Benefits of Natural Refrigerant-Based Heating and Cooling in Building Retrofits

The European Patent Office in Vienna. The building was recently renovated with ammonia heat pumps installed for heating and cooling.

2025-11-11Transport refrigerationWorld

Tecumseh Launches Mobile Refrigeration R290 Compressor Under Masterflux Brand

2025-11-07Commercial RefrigerationNorth America

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

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

2025-11-06Heat PumpsEurope

Lloyds Bank Offers U.K. Homeowners Free R290 Heat Pump with New or Renegotiated Mortgage

2025-11-05District HeatingEurope

Strabag Building 165MW Isobutane Heat Pump for District Heating Network in Mannheim, Germany

An image of executive officers of Strabag and MVV as part of the agreement to build an isobutane heat pump system to supply district heating to 40,000 Manheim households.

2025-11-04Commercial RefrigerationAfrica

Makro Opens ‘First-of-Its-Kind’ Integrated 1.6MW CO₂ Store in South Africa

The graphic shows a Makro store operated by Massmart in South Africa. The company is opening a new Makro CO2 integrated store in New London, South Africa.

2025-11-03Commercial RefrigerationWorld

Castel Obtains Environmental Product Declarations for Its Ball Valves and Solenoid Valves

A graphic from Castel showcasing Environmental Product Declarations, and the benefits for the world, as represented by a globe.

2025-10-30Mobile Air ConditioningWorld

Interview: Shanghai Highly Could Double Natural Refrigerant Business in 3 Years, Says Project Manager

A graphic of Shanghai Highly's corporate office in Shanghai China. The company produces CO2 and R290 compressors.