heating and ventilation
When ventilation is key to success
QUIETLY DOES IT
When Forest Way Special Educational Needs three ‘Quietflow’ twin fans, one Elta ‘Skyflow’ SSF
School was opened recently, 35 Elta Fans were in- roof unit, four domestic SE fans and two SCE fans. Keston has entered the air source heat pump
stalled as part of the system to provide a comfort- The 22 larger fans were supplied complete with all market with the introduction of Airgen; it’s
able, effective and well-ventilated learning required ancillaries and accessories such as mount- extremely quiet, highly efficient range of air
environment for the pupils. The school, situated in ing feet, silencers, speed controllers and sensors. source heat pumps, designed specifically for
the National Forest in Leicestershire, is a new co- The system is powered by renewable energy and au- UK applications. The Airgen has been de-
educational special school for 138 pupils aged 3 – tomatically controls the ambient environment in signed with British conditions in mind, bring-
19 years old with a wide range of special needs. De- each classroom. The main contractor for the devel- ing domestic hot water up to 65°C, with no
signed with sustainability in mind, the school incor- opment was Wilmot Dixon, with Fans and Spares need for the support of an immersion heater
porates several integrated, eco-friendly systems, Nottingham (Elta’s local distributor), providing the or direct resistance heater. At the same time
added to which is the low energy ventilation system Elta equipment to Derry Building Services Airgen provides space heating for radiators
that utilises the Elta fans. The ventilation system in- For further information telephone 01384 275 800 and under floor heating systems at variable
corporates eighteen Elta ‘Quietflow’ single fans, or visit www.eltafans.com temperatures from 35°C to 55°C. The Airgen
comes in three models, which include a 4.5
kW system designed for small flats, 9kW and
12kW for larger properties, giving a complete
spectrum of choice for the domestic market.
The 9kW and 12kW versions can be banked
together, with bespoke designs available for
light commercial applications. To optimise ef-
ficiency, all units have dual temperature oper-
ation. Larger units incorporate twin scroll
compressors to further maximise efficiency.
Despite the fact that the Airgen operates
from as low as -15°C, with functionality in-
cluding a heated drip tray and four minute
frost cycle enhancing its capabilities, as with
all air source heat pumps, efficiency is com-
promised when the temperature drops.
For further information
telephone 0208 462 0262
or email info@keston.co.uk
Time to
comply
The facilities management firm, Beacons Business
Interiors (Bbi) has sent out a warning to UK busi-
nesses that they have only six months left to pre-
pare for government legislation on reducing its
carbon emissions. Significant fines will be ordered
if facilites managers fail to comply with the new
legislation surrounding air conditioning units. Bbi
has sent a warning out to businesses about failing
to update their old format air conditioning sys-
tems, which use ozone-depleting gas HCFC R22.
For further information visit www.bbi-uk.com
Clever venting
natural ventilation, boasting a series of brick-clad
service and ventilation ducts around the main facade.
According to Passivent, the systems are proven to be
Swindon Borough Council’s Central Library has one of the building strategies to attain “up to an A
benefited from Passivent’s natural ventilation and rating” in the new Energy Performance Certificate.
has been recognized as a top example of sustain- The principles of Physics are applied to the Passivent
able design in the UK, according to the firm. The system. Natural variations in air temperature and
library, in its newly developed state has won the pressure cause air movement. In this instance the
Bespoke category in this year’s BREEAM awards, Aircool window inlets draw fresh air from the court-
with the Passivent ventilation scheme as the key el- yard into the building without the problem of sur-
ement in the £10m development. The library was rounding noise also getting in.
previously a single storey building; now it is a four- For further information telephone 0161 90505900
storey build and very much makes a feature of the or email info@passivent.com
Architects Choice 25
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