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Air conditioning Efficiency
> systems. The demand for energy efficient buildings, The successful firms in the post-recession period
prompted by tougher requirements in Part L of the will provide a total service approach including non-
Building Regulations, means that chilled ceilings and technical aspects of a project such as access to finance
beams are increasingly being given higher priority by and help with planning applications, etc.’
clients and consultants.’ Berry envisages a future where the traditional
Keel believes that chiller technology has also started labels no longer apply and specialist suppliers work
to change with the introduction of new compressors, in partnership with consulting engineers to deliver
a point with which Carrier Air Conditioning’s the particular skills required on a project-by-project
engineering manager Andrew Keogh concurs – up basis. This would include buying in expertise in areas
to a point: ‘Developments in compressor technology like thermal modelling for firms who may not be
can bring improvements, but more can be achieved able to afford to permanently maintain an in-house
by better system design and the incorporation of other resource.
system strategies [such as free cooling, heat reclaim He adds: ‘Suppliers must work more closely with
and heat pumps].’ specifiers to come up with a complete technical
For Ted Berry, managing director of Samsung solution rather than just focusing on getting the best
The next distributor and CRM specialist Gallant Air price for a particular product. Price will always be
generation of
Conditioning, the long-term future of air conditioning an issue, but a properly integrated building services
will not be about pumping refrigerant around solution including lighting, heating and ventilation is
office buildings
buildings. He says: ‘We have to get out of our silos. really what we all should be aiming for.’ >
is likely to adopt
a mixed-mode
Case study Learning centre is inspired by VRF
approach –
John Staunton
The first UK installation of Sanyo’s gas-powered VRF Conditioning. The building requires 19 GHP VRF air
air conditioning system, which generates its own conditioning systems and 16 split systems. The units
electricity, is taking place at Suffolk One, a centre of are mounted primarily on the roof, in groups serving
learning in Ipswich. five ‘clusters’ which connect and surround the core
The £65m building is designed to provide of the building.
an inspirational learning environment and will The building uses 310 fan coils, mainly ducted
accommodate 2,000 16 to 19 year-old students when units for concealed mounting in ceiling voids.
it opens in September 2010. These are augmented by a small number of ceiling
The £11m M&E installation is being managed cassettes. All equipment operates on R410A
by Inviron. All air conditioning equipment for refrigerant. The VRF systems include both two- and
the project, with a combined cooling capacity of three-pipe technology, the latter used to harness
1.2MW, was supplied by distributor ESS and is waste heat generated within glass-clad parts of the
being installed by Adcock Refrigeration and Air building and transfer it to areas requiring heating.
42 CIBSE Journal December 2009 www.cibsejournal.com
CIBSEdec09 pp40-42,44 aircon.indd 42 19/11/09 16:27:09
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