coolingpost.com
Spool compressor could offer an R410A-free future - Cooling Post
USA: A new design of compressor using refrigerant R1234ze could provide a long-term, low GWP solution for packaged air conditioning and VRF. A spool compressor being developed by Torad Engineering of Cumming, Georgia, is said to have achieved EERs that are within 2.5% of a similarly operating R410A scroll but with greater volumetric flow. The …