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BNP Paribas Real Estate – Chiller Replacement

The existing chillers at Princes Exchange in Leeds were operating at less than 50% capacity and nearing the end of life, impacting the comfort conditions within the building.

We were instrumental in the design, specification, tendering and project management for new 2 air-cooled chillers that were both larger in cooling capacity and more energy efficient.


Energy & Technical Services was able to source new chillers which provided the required increased cooling capacity and were small enough to be installed in the confined location of the existing equipment. To minimise the disruption caused by necessary road closures, works were completed on the weekend at midnight, within a 6-hour time frame.

Added Value / Achievements

Since installation, comfort conditions have been restored throughout the building. The new chillers are not only operationally superior but also have an added benefit of being more energy efficient, providing further savings for the client.

HVAC review and upgrade support

ensured energy efficiency and tenant comfort


Date Palm Developments – Complete Building Solutions

Date Palm Developments (DPD) approached ETS to design, install, and commission a new Building Management System (BMS) for their proposed "Ottons Lab." Given the complex nature of the facility, which specialises in plant cloning, highly detailed designs relating to HVAC controls and operational security were necessary to maintain optimal conditions for both plant growth and occupant comfort in the office areas.

BNP Paribas – Simulated Power Failure

The power test was successful with back-up power supplies, fire alarms, emergency lighting, pedestrian access systems all operating as expected during power failure. All equipment operated correctly and efficiently when power was reinstated.

Harris Lamb – Mechanical & Electrical Performance Specification

Successful office fit-out project with upgraded VRF heat pump cooling, LED lighting and heat recovery ventilation. Improved energy efficiency and occupant comfort led to an increase in the Energy Performance Certificate (EPC) rating from C to B.