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U.S. lags in flammable refrigerant safety
ASHRAE Research Project 1807 cites technician training, refrigerant odorization and other requirements in place in other regions.
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Sub-Zero tests 5-mm tubes with R600a
In a project with ICA and Optimized Thermal Systems, the home fridge manufacturer is examining the use of small-diameter copper condenser coils with up to 57 g of isobutane.
R290 split AC heads to Grenada
The island nation is making six energy efficient split air conditioners available to end users for demonstration purposes.
Propane air conditions METRO store in Italy
Two propane chillers provide cooling power and air conditioning to a METRO superstore in Padova, Northern Italy.
New survey to study barriers to flammable refrigerants
The survey will map the available technology, barriers, drivers and future trends for products using hydrocarbon refrigerants.
Germany awards ecolabel to R290 split AC
Chinese manufacturer Midea received the label for its split air-conditioning systems that use natural refrigerant R290.
Propane getting a boost in Germany
German company Kratschmayer GmbH is making cooling and heating installations with this natural refrigerant.
Sanhua making progress with ‘Green Tech Line’ in North America
Chinese manufacturer is finding acceptance for CO2 valves and for hydrocarbon valves and microchannel heat exchangers, which can cut charge by 50%.
EPA pulls charge boost for domestic fridges
But a proposal to raise the charge limit for three hydrocarbons to 150 g from 57 g is still expected to go forward.
AHRTI to begin A3 flammability tests
Study will include residential and commercial AC and commercial refrigeration, following similar tests on A2Ls; ASHRAE to examine risk of HF in A2L combustion.