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Carrier UK - Chillers / Integrated HVAC Systems

Water Cooled Screw Chillers - Packaged Roof Top Units - Air to Water Heat Pumps

Our integrated offering brings together a complete range of high performance, energy efficient products and building controls, backed by nationwide service, maintenance and spares support.

30XW-V Variable Speed Screw Chillers

The latest development of the established 30XW range, the 30XW-V variable speed screw compressor chillers offer significantly enhanced part load efficiency. Typical EcoDesign SEER 12/7 levels are >8.0 and annual average system efficiencies ~10.

The Next Generation of AquaForce®

New in 2018, the 30KAV is the latest version of Carrier’s air-cooled, screw compressor chiller range. With a completely new variable-speed compressor design, new condenser coil configuration and variable-speed fans, the 30KAV offers exceptional performance and adaptability. All units in the range meet both the current Tier 1 requirements of the EcoDesign regulation and the Tier requirements due to be introduced in 2021.

Carrier has taken the lead in introducing the next generation of refrigerants for use with screw units. The company’s PUREtec™ HFO-R1234ze refrigerant has zero impact on the ozone layer and nearly zero global warming potential. In combination with our high-performance screw compress-based chillers, this provides a highly flexible solutions suitable for all requirements:

Air-cooled screw compressor chillers: 30XA-ZE (fixed speed) and 30XAV-ZE (variable speed);
Water-sourced screw compressor chillers: 30XWP-ZE, 30XW-ZE (fixed speed) and 30XWV-ZE (variable speed);
Water-sourced heat pumps: 30XWHP-ZE, 61XWH-ZE (fixed speed) and 30XWHV-ZE, 61XWH-ZE (variable speed).

These deliver all the proven benefits of the AquaForce range: reliability, efficiency, adaptability, and are available operating on HFO-R1234ze.


The Part L Building Services Compliance Guides acknowledge that the SEER method of representing chiller efficiency should only be considered as an approximation. Using our Chiller System Optimiser modelling tool, Carrier has developed a method of predicting chiller system efficiencies that matches much more closely the specific conditions of the proposed installation. This new approach takes account of all the factors that can influence actual chiller system performance, including:

  • Number of chillers
  • Chiller Size
  • EER of all chillers at every combination of load & operating condition
  • Chiller control sequence
  • Building load profile
  • Hours of operation
  • Local weather conditions

This PSEER approach not only produces predictions of chiller system efficiency that are much more representative of reality, but also provides answers that can be significantly higher than those produced by a simple, individual chiller SEER analysis. Improvements in annual average chiller efficiency ratings of 20-30% are typical, significantly reducing the electrical consumption and carbon emissions attributed to the cooling plant, with substantial benefits for the whole building's carbon profile.


Carrier’s AdvanTE³C is not so much a product as a design philosophy. AdvanTE³C draws on Carrier’s engineering and environmental expertise to deliver sustainable building services design in innovative ways. Solutions are developed in collaboration with clients to meet their specific needs by using Carrier’s unrivalled engineering expertise, modelling and simulation tools and in-house test facilities.

Projects include high energy density data centres (~3kW/m²), low energy building systems and district heating/cooling systems capable of delivering hot water at 85°C. Our AdvanTE³C Solutions Centre develops unique solutions to meet customer challenges, covering equipment, controls and bespoke algorithms.

For more information, please email salesenquiriesUK@carrier.utc.com

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Carrier UK
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Guildford Road
Surrey KT22 9UT

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Tel: 0870 397 2122
Carrier Sales: 0870 600 1133
Carrier Service: 0870 600 1166
Carrier Spares: 0870 600 1155

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