SPN FEB 2010 COMPLETE EDITION:SPN 2010 21/01/2010 06:33 Page 91
www.swimmingpoolnews.co.uk EnergySpecial FEB 2010 SPN 91
SANDCASTLE WINS MAJOR
ENERGY AWARD WITH HEATSAVR
Heatsavr liquid pool cover Heatsavr is a totally flexible
system’s claim to be one of the cover that works by forming a
most cost effective methods of transparent monomolecular layer
reducing energy and cutting on the surface of the water
CO
2
emissions has been whenever it is not too disturbed.
supported by the UK’s largest This layer significantly reduces
indoor waterpark, Sandcastle in evaporation, which not only
Blackpool. saves on water heating but more
The famous holiday pool has importantly, with indoor pools
just won a coveted Lancashire can significantly reduce the cost
Business Environment Award. of air heating and humidity
Since introducing Heatsavr control – and the pool water
into their large 1200 m
2
leisure doesn’t have to be completely
pool, Assistant Manager Paul still for Heatsavr to work – it
McEvoy reports that the annual works to a greater or lesser
gas use has been cut by a degree dependant on pool
massive 857,462 kWh which activity. So many pools that
equates to a reduction of over experience quiet periods or Heatsavr is a fully automatic, towards reducing CO
2
£21,000 per annum. periods of varying activity will simple and trouble free system emissions, without the practical
This energy saving also means still benefit from Heatsavr even which is available 24 hours a issues often associated with a
that they have reduced their during opening hours. day, unlike a conventional conventional cover.
CO
2
emission by over 158 A recent scientific study by cover which can only be
tonnes, a major contribution independent consultants who applied when the pool is
FOR FURTHER INFORMATION
toward their Carbon Reduction were commissioned by a major closed. Not only can Heatsavr
i
Commitment (CRC) which comes luxury hotel group concluded seriously cut energy bills but F HEATSAVR
into force for large energy users that Heatsavr reduced users may also take comfort ( 01737 271879
from April 2010. evaporation by 60%. that they are doing their bit :
www.heatsaver.co.uk
COMMUNITY POOL WINS ACCLAIM FOR
HOT ELECTRONS BREAKTHROUGH
IN SOLAR ENERGY FOR POOLS
ENERGY SAVING HEATING SCHEME
A breakthrough in the way solar panels can
heat swimming pools has come from
A community swimming pool in Yorkshire the ground,” he explained. Boston College in the United States.
has won national acclaim for its insistence “The heat pump will take the warm water Researchers have announced in the journal
on an energy saving scheme which will save and feed it through compressors, multiplying Applied Physics Letters that they have
£7,000 a year. enough heat to keep the pool at the desired developed a solar panel that can capture
A commitment to a green innovative new temperature of between 29 and 30 degrees, so-called hot electrons.
heating system at Epworth Community for 16 hours a day, 364 days a year.” Hot electrons are, as their name
Swimming Pool in Doncaster has won an A spokesman for the Carbon Trust said: suggests, hot. They possess a great amount
interest free loan from the Carbon Trust to “This community project deserves acclaim of kinetic energy though, making them
convert the pool’s current heating system and respect. Everyone has identified the need desirable for capture in electricity
from a traditional boiler to a ground source to cut back and save on energy consumption generation. But they typically shed heat
heat pump. and determination to go ‘green’ has worked.” quickly and are effectively lost.
Chairman of South Axholme Community The work is expected to finish in January The research was particularly aimed at
Swimming Pool, Don Stewart said: “The next year, with no disruption to the improving the efficiency for solar energy in
community swimming pool is provided as an operation of the pool in the meantime. heating swimming pools where the
extra amenity for the area at no cost to the Rob Jenkins, Manager of Epworth problem was raised that heating costs
public, and we need to ensure that we keep Community Swimming Pool, added: “We were disproportionately high.
this alive for generations after us, as well as initially looked at solar panels, but then The college researchers’ panels are ultra-
reducing our carbon footprint.” spoke to Heffalump Energy and they thin. By making solar cells thinner and
Heffalump Energy, a specialist renewable suggested this system instead. The project smaller, they say, hot electrons may be
energy company tendered for the project went out to tender, and we’re delighted that captured more easily. Researcher Krzysztof
and won the contract. Heffalump won the contract, and they have Kempa, lead author of the paper on the
“The new heating system will save over 50 been really helpful in securing the interest new technology, said if a pot of boiling
tonnes of CO
2
per year, and will reduce the free loan for us from the Carbon Trust, as water is dumped into a swimming pool, its
energy consumed from 533,500 kilowatt without this we wouldn’t have been able to heat won’t be felt at the pool’s edges
hours per year to just over 69,400 kilowatt go ahead with the project. because the heat gets lost in the time it
hours. This is a significant saving, and will cut “We need the local community to continue takes for the water to disperse. But a pot
the heating cost of the pool by nearly £7,000 using the pool,” continues Don Stewart. “The of boiling water poured into a sink of cold
per year,” says Mike from Heffalump Energy. Isle of Axholme has a population of 18,000, water will raise the temperature of the sink
“This is the equivalent of taking between and we are able to provide 160 hours of water because the sink is so much smaller.
eight to 10 average cars off the road a year.” swimming to schools free of charge. If there The new cells are less than 30
A drilling rig has arrived on site to drill four was no local pool then there would be an nanometres thick, compromising their
boreholes each 300 feet deep. These are for added cost for transport, both financial and potential efficiency. But if combined with
the heat pump that acts like a fridge in reverse. environmental, to take children to another more efficient light-trapping nanowires,
“We need to be able to tap into the warm pool outside the area, and this would also the thin cells can be made viable for
sub soil and water course that lies beneath result in a loss of educational time.” widespread use, researchers say.
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