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ASHRAE Committee Chair Expects ‘2025 or Later’ for Approval of Higher R290 Charge for Heat Pumps in U.S.
Studies and tests on indirect HVAC systems using flammable refrigerants may start this summer.
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EIA Supports ASHRAE Proposal for 4.9kg Propane Charge in Outdoor Heat Pumps in U.S.
ASHRAE has issued Proposed Addendum E to Standard 15.2-2022, which would raise the charge limit for flammable refrigerants in outdoor heat pumps and air-conditioning.
Hydrocarbon Projects in South America Selected for ASHRAE-UNEP Awards
The OzonAction Lower-GWP Refrigeration and Air-Conditioning Innovation Awards went to one project in Ecuador and two In Brazil.
Embraco Says Its R290 Compressor Cuts Ice Machine Energy Use by 34%
The fixed-speed EMX compressor will be on display at the manufacturer’s booth at AHR Expo in Atlanta February 6–8.
ASHRAE and OzonAction Call on NatRef HVAC&R Innovators for Award Submissions
Entries for the Lower GWP Refrigeration and Air-Conditioning Innovation Awards are due December 31, 2022.
ASHRAE Seeking Public Comments on Proposal to Boost Charge Limit for A3, A2L Refrigerants
Revisions to the ASHRAE-15 North American safety standard for commercial refrigeration would follow a UL proposal.
ASHRAE Committee’s Vote on Higher A3 and A2L Charge Limits Inconclusive
None of the three motions on flammable refrigerants before the ASHRAE-15 committee passed; new public meetings planned in January.
ASHRAE Committee Voting This Week on Whether to Exclude Higher A3 Charges in Safety Standard
A proposal allowing higher charges in commercial cases for only A2Ls is being considered by ASHRAE-15 committee.
IIAR’s ‘huge opportunity’ with hydrocarbons
Code consultant Jeff Shapiro thinks the trade group can offer safety guidelines for flammable refrigerants where ASHRAE and code bodies fall short.
IIAR to develop safety standards for HC systems
Ammonia group will work with ASHRAE as well as create its own standard for hydrocarbons in commercial and industrial applications.