Systems and components [india] provides power miser chillers. The power miser series is built incorporating j & e hall`s single screw compressor; wieland`s high heat flux tubes; siemens` plc for control panel; danfoss` motorized expansion device; and s & c`s 20 years of system design experience. These chillers are made for: high efficiency and reliability; and for all refrigerants and applications. Scil`s wchc `power miser` series are r-22 based factory-built self contained-ready to commission water cooled water chillers for indoor installation. They are optimized for applications such as central air-conditioning and process chilling. These chillers, when used with glycols of appropriate concentration can be applied for brine chilling down to minus 30Âșc.