Carrier Transicold Charging With R 452 A

Carrier Transicold adds R-452A option

Dec. 29, 2020
Availability of ‘new-generation,’ lower-GWP refrigerant for new, existing equipment expected in first quarter of 2021

Carrier Transicold now is offering North America’s refrigerated haulers new-generation refrigerant R-452A as an option for new and existing equipment.

Starting in the first quarter of 2021, purchasers can specify R-452A on all Carrier Transicold trailer and diesel truck equipment orders, the company said. Carrier units with R-452A refrigerant have performance comparable to Carrier units with R-404A, the traditional transport refrigerant, in terms of refrigerant capacity, pulldown, fuel efficiency and reliability.

“R-452A has a global warming potential (GWP) of 2140, which is about half that of R-404A (GWP 3922),” said Bill Maddox, senior manager for product management at Carrier Transicold. “We are offering it for fleets that want to improve their environmental profiles and to prepare for compliance with evolving regulations.”

The California Air Resource Board (CARB) has proposed prohibiting high GWP refrigerants on new transport refrigeration equipment starting in 2022. Additionally, Canada has banned high GWP refrigerants for new transport refrigeration starting in 2025, in keeping with its plans to reduce greenhouse gas emissions in accordance with the Kigali Agreement of the Montreal Protocol. In the U.S., the Environmental Protection Agency (EPA) has approved the use of R-452A for transport applications but has not prohibited continued use of R-404A.

While there are currently no retrofit regulations proposed, Carrier Transicold units already in service can take advantage of R-452A. For Carrier units with an electronic expansion valve, converting requires only an operating software update, the company said. On Carrier Transicold truck units and older trailer units that use a mechanical expansion valve, the valve will require a manual adjustment or replacement, depending on the model.

Refrigerant cost may be a factor for some fleets considering conversion to R‑452A, Maddox said. Currently R-452A is three to four times more expensive than R‑404A, which will add somewhat to the initial equipment purchase and could affect refrigerant-related repair costs.

“Still, haulers should start to consider when transitioning to a lower GWP refrigerant will make the most sense for their fleets,” Maddox said. “While the EPA permits continued use of R-404A, the proposed 2022 California changes may ultimately drive use of R-452A as a de facto national standard, due to the large volume of refrigerated traffic that moves into that state.”

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Commercial Vehicle Staff

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