Over the past three years, AHRTI has conducted many tests with several types of display cases that used A2L and A3 refrigerants at multiple charge levels and different scenarios. November 12, 2020 ...
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The new refrigerant question that instantly tells you if a contractor is up to date
The fastest way to tell whether an HVAC contractor is living in the past or tracking the future is to ask a single, pointed ...
Solution is the first with full UL Recognition for the use of R454A, R454B, R454C, and R32 under the 4th edition of UL 60335-2-40 Sensata Resonix™ RGD Sensor detects the presence of A2L refrigerant ...
The testing facility at Danfoss, which is known for being its energy-efficiency technology, allows companies to get their products to market faster.
FIGURE 1 - A TALE OF THREE TESTS: This minimum ignition energy (MIE) testing illustrates that much stronger ignition sources are required to ignite A2Ls than A3s. Once ignited, the A2Ls also burn much ...
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HVAC refrigerant rules changed in 2025 and homeowners are still getting bad advice from installers
Federal rules that took effect in 2025 quietly rewired how new home air conditioners and heat pumps are built, yet many ...
Within the commercial refrigeration industry, A2L refrigerants have long been recognized as potentially viable alternatives to high-global warming potential (GWP) hydrofluorocarbon (HFC) refrigerants.
SAN JOSE, Calif., Dec. 04, 2024 (GLOBE NEWSWIRE) -- Posifa Technologies today announced that its PGS6454 MEMS A2L refrigerant leak sensor has received a recognized component certification from ...
SAN JOSE, Calif., July 29, 2024 (GLOBE NEWSWIRE) -- Posifa Technologies today announced that it is supporting its move into the market for A2L refrigerant and hydrogen sensors with a major expansion ...
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