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3 11 Chillers (Centrifugal
There is currently no ban on new HFC-based centrifugal chiller equipment in Annex III of the current F-Gas Regulation. Those who selected this sub-sector in the survey were asked how this lack of a market prohibition has affected the sector in terms of 1) increasing the uptake of climate-friendly alternative technologies; 2) increasing the development of climate-friendly alternative technologies; and 3) increasing the price competitiveness of climatefriendly alternative technologies.
Seventy-one percent of survey respondents said it slowed the uptake of climate-friendly alternative technologies, while 64% said it also slowed the development of such technologies. The same percentage (64%) believed that it negatively impacted the price competitiveness of alternative technology.
Respondents were asked if they thought this sector would have fully converted to natural refrigerants by now had a sectoral ban been included for 2020. The majority (57%) were positive that this would have happened by 2020.
Figure 3.11.1 Do you support a full ban on new HFC-based equipment in the centrifugal chillers sector by 2024?
When asked whether they support a full ban on HFC-based equipment in centrifugal chillers by 2024, 64% said they did.
With regards to refrigerant of choice in centrifugal chillers, the majority of responses selected HFOs (50%) stating reasons such as the unavailability of suitable alternatives in this sector. This is a clear opportunity for incentive schemes to drive further development of climate-friendly, natural-refrigerant alternatives in this sector. However, it should be noted that this sub-sector had the least participation (16.8%). In the “Other” category, water (R718) was mentioned repeatedly, showing potential.
