PRODUCTS IN ACTION HEATING SYSTEMS
Substantial energy and cost savings through heating system upgrade
Kepier School in Northeast England has undergone a phased transition to low- carbon heating technologies from CIAT, resulting in significant energy and cost savings within a year of installation. CIAT worked with BREng Hull Ltd, AA Projects, Quora Group, and Cool Designs Ltd to initiate the school’s journey to net zero in 2022, returning to measure performance and optimise the system. The project involved replacing
conventional radiators with high-efficiency heat emitters, including seven CIAT MajorLine surface-mounted high-level units and 31 CIAT Coadis fan coil units. The school’s existing gas boilers installed in 2019 were integrated into the new system’s infrastructure, allowing them to be replaced as needed to improve efficiency. A review of gas usage before and after the pandemic-related school closures showed an 8.6% reduction in consumption, equivalent to around 31,446 kWh. This translated to an 8% annual cost saving of approximately £800. After commissioning, CIAT project
partners BREng Hull and installer Quora Group returned to optimise the system’s
operation, addressing imbalances and sub-optimal temperatures to further improve occupant comfort and reduce energy use. “The comfort level has improved
significantly,” says Brian Dixon, Kepier School estates manager. “We had already gained control over specific rooms and areas, as opposed to the old 'on or off’ heating system, and the latest work seems to have improved things even more. Future phases in our decarbonisation plan will yield even greater energy and cost savings for the
school.” ■
www.ciat.uk.com
LIGHTING
Premium lighting for CAT A upgrade
Lighting experts TRILUX played a pivotal role in illuminating the prestigious 2 More London project, as the commercial office space located on London’s South Bank underwent a CAT A fit-out. The project aimed to transform the third
floor of the building into a premium grade, sustainable workspace. Consultantcy firm Chapman BDSP led the project, with the goal of creating an attractive, high- quality office space to appeal to top-tier tenants. The lighting solution needed to meet strict efficiency standards while also complementing the building’s architectural aesthetic. The 14,362ft2
office space presented key challenges, including minimising VENTILATION
Heat recovery system fitted in carbon negative offices for sustainable contractor
glare and maintaining consistent, energy-efficient illumination across the floor-to-ceiling glazed space. Trilux’s solution included the Inperla Ligra Plus LED downlight, Sonnos LED downlights, and over 500m of a bespoke LED light channel. These products were selected for their quality, flexibility and sustainability – the luminaires are highly recyclable, and the light channel can be reconfigured for different tenant requirements. The project was executed in partnership
with electrical contractor Paul Earl Ltd. Luke Facer, electrical project manager at Paul Earl Limited, says: “Working with Trilux was a pleasure, with exceptional communication on the phone to answer any queries. The Trilux light fittings themselves were of A1 quality and easy to assemble on-site, with a sleek finish that really set off the hanging rafts that they
were installed into.” ■
www.trilux.com
PHOTOVOLTAICS
Solar panels slash emissions by 150 tonnes
A national floorcoverings distributor is reducing carbon emissions by 150 tonnes per year thanks to a large-scale solar panel system designed and installed by AZTEC SOLAR ENERGY. A total of 1,727 photovoltaic (PV) modules, seven inverters and 870 optimisers feature on the roof of the company’s headquarters. The system is expected to generate more than 776 megawatt hours (MWh) annually, reducing carbon emissions which equate to planting 6,899 trees. Designed with glass-on-glass modules, the solar array increases heat dissipation
20
to maximise efficiency and the power transmitted. The use of double glass also offers enhanced protection from fire, humidity and ammonia emissions. The inverters incorporate built-in smart safety features and were integrated into the main fire alarm system, with a manual stop button also installed. The size of the project demanded
a 280-tonne crane to manoeuvre the PV modules onto the roof. Ensuring no impact on the distributor’s operation, the Aztec Solar Energy team carried out the crane lifts during two weekends, beginning work at 4am each day. Nick Jones, contracts manager at
Aztec Solar Energy, says: “This project was carefully phased to minimise any potential disruption for this busy site, which is home to a large warehouse as well as support functions such as the
sales and finance team.” ■
www.aztecsolarenergy.co.uk
The Sentinel Apex ventilation system from VENT-AXIA has been installed in the new carbon negative offices of commercial contractor ECO MEP in Ashford, Kent. ECO MEP, which focuses on delivering sustainable solutions, chose the Sentinel Apex to provide energy efficient ventilation with heat recovery for its new highly- efficient office building. Paul Hooker, owner and MD of ECO
MEP, comments: “Energy efficiency is at the heart of everything we do for our customers, so for our own new workplace, we wanted to demonstrate the capability of today’s products in delivering carbon neutral buildings in operation, and hopefully inspire others.” The Sentinel Apex was selected due to its industry-leading features, including up
to 93% heat recovery efficiency, integral air quality sensors, automatic summer bypass for free cooling and ultra-low sound levels. The product was developed by Vent-
Axia as the next generation of commercial heat recovery ventilation products to help specifiers create low carbon buildings as we head towards the UK’s 2050 net zero target. Designed to be highly energy efficient with low specific fan powers (SFP), the Sentinel Apex has a low embodied carbon too. Occupant comfort has also been a priority in its development, with the Apex operating quietly as it efficiently improves IAQ. Meanwhile, to make specification simpler for consultants the Sentinel Apex features many components and controls
as standard. ■
www.vent-axia.com
EIBI | JULY / AUGUST 2024
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