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We connect end users, contractors and consultants with manufacturers and service providers, working with CO₂refrigeration, CO₂chillers and CO₂heat pumps.

We connect end users, contractors and consultants with manufacturers and service providers, working with CO₂refrigeration, CO₂chillers and CO₂heat pumps.

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Streamline XHP Copper-Iron Fittings
MUELLER STREAMLINE CO.
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XHP Copper-Iron Tube
MUELLER STREAMLINE CO.
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K65 Fittings
Conex Bänninger
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FR5A Hose
ZEC
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Transcritical CO₂ rack
Refra
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CO₂ Heat-Pump Water Heater 35kW
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Latest News

The 2022 Eurovent Summit will be held in Antalya, Turkey, on October 25–28.

2022 Eurovent Summit to Connect HVAC&R Stakeholders in Turkey

June 28, 2022

Konvekta bus final

New Software for CO₂ Heat Pump Boosts Efficiency of Electric Buses

June 28, 2022

Emerson’s Andre Patenaude and Future Green Now’s Samantha Bothma present findings from a recent study of transcritical CO2 efficiency at ATMO America 2022.

ATMO America: Study Shows Efficiency Impacts of Transcritical CO₂ Add-on Technologies in High Ambient Climates

June 28, 2022

Impact of Refrigerants - ATMO

ATMO America: Scientist Urges U.S. EPA to Broaden Definition of PFAS to Include F-Gases, TFA

June 20, 2022

John Tinsley, Co-Founder of Therm, presenting on refrigerant carbon credits at ATMO America 2022.

ATMO America: Refrigerant Carbon Credits Plan Aims at Cutting Cost of NatRef Transition

June 20, 2022

Ady Vyas presenting Neelands Group’s transcritical CO2 journey at ATMO America 2022.

ATMO America: Neelands’s Transcritical CO₂ Installations Surpass 40 Stores

June 20, 2022

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R744.com is an independent marketplace for ammonia HVAC&R products and services, and a trusted source for the latest ammonia news from around the world.