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Precision Refrigeration has launched its fi rst A+ fridge in addition to the several A energy rated models already in its commercial refrigeration range. The engineering department is always striving to off er customers more, and better value for money, so with this in mind, Precision is undergoing a continual improvement programme on its range of commercial refrigerators. With

some clever engineering enhancements, the team has already improved the energy ratings of some more of its models. The HSS 150 one-door space-saving undercounter is now A+ rated, from an A; the HWU 111 0ne-door wall counter is now B rated, from a C; the HWU 211 two-door wall counter is now C-rated, from a D. In addition, all offi cial energy tests conducted by Precision are to Climate Class 4 conditions, but the team also tests, where appropriate, those refrigerators to a Climate Class 5 environment, confi rming the equipment’s ability to operate in heavy-duty conditions.


Swegon has introduced its new range of high-performance Sky chillers onto the UK market. The new models have been designed to meet the twin regulatory challenges of the European Ecodesign Directive and the F-Gas Regulations.

Part of the energy effi cient Sky series, the Kappa Sky off ers a combination of state-of-the-art control technology

with inverter screw compressors and a choice of low GWP refrigerants.

The Kappa Sky products already meet the energy effi ciency requirements of the Ecodesign Directive Tier 2, which does not come into force until 2021, therefore giving end users a future- proofed solution.


Trane has introduced a series of new and upgraded solutions within its Light Commercial Systems. Trane Flex II comprises modular chillers and heat pumps designed for applications with

limited accessibility. All chillers are one metre wide to fi t in typical elevators. The modular design allows for building one air conditioning system based on numerous Flex II chillers managed by one FlexMaster controller. The micro-channel condenser coils and optimised refrigerant piping contributes to increased sustainability and low refrigerant charge. Trane’s Picco range features compact and small capacity heat pumps with inverter technology. The solutions are rated at Class A energy effi ciency in cooling and heating, delivering hot water for winter heating, sanitary hot water and chilled water for summer cooling. Trane’s Conquest range comprises new fans in these chiller and heat pumps for comfort and process cooling and heating applications. The they improve performances at part load and reduce operating cost over the full life of the product. The Cube HT range brings new models to the small capacity air-to-water heat pump portfolio, designed specifi cally for high hot water temperatures at very low ambient air temperatures. All models are rated at Class A+ energy effi ciency according to the latest European Ecodesign Regulation for heat pumps.

The new Swegon chillers operate with the very low GWP refrigerant R513A as a default option, although they can also operate with R134a. The former has a GWP of just 573, making it an attractive choice given the current phase-down of high GWP refrigerants. With higher GWP gases being removed from the market fi rst, this is leading to severe shortages of some widely used gases and signifi cant price rises. Opting for low GWP 513A, which is also non-fl ammable, insulates users from this problem. Swegon’s Sky range also off ers an ultra-low GWP option which uses the new industry breakthrough refrigerant HFO 1234ze. This has the lowest available GWP on the market of less than 1, and is therefore not subject to the F-Gas phase-down. The 32mm microchannel condenser coils allow the chillers to achieve higher capacities, but with a lower refrigerant charge than previous models. This means the chillers can deliver high effi ciency operation from a smaller footprint and Swegon has also manufactured special ‘compact’ models that are ideal for use where space is at a premium, such as in many replacement projects. Also available are modular ‘free cooling’ versions ideal for year- round cooling demand, taking advantage of the UK’s temperate climate to dramatically reduce energy costs.

Across the range, the proprietary BlueThink controls manage the operation of the inverter, compressor speed and variable valve ports. This allows for closely controlled part load operation of the chiller to maximise energy savings and extend operating life, as well as remote monitoring for service and maintenance purposes Swegon’s Sky chillers have two levels of inverter control – full inverter and hybrid – depending on the performance needed for the project in hand. There are also special low noise versions available.

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