Merak Greenair: Thousands of Railway Heat Pumps on R744 and R290 in Serial Production
Merak has become the only rail HVAC supplier offering serial production units on both natural refrigerants — CO2 (R744) and propane (R290). According to the company, thousands of Greenair heat pumps have been installed worldwide, reducing energy consumption by at least 30% compared to resistive heating.
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