King’s College London
The Great Hall, Case Study
12 Propelair toilets have been installed in washrooms serving the Great Hall, Maughan Library and Virginia Wolf building at King’s College London’s Strand Campus. The Great Hall is used for a variety of purposes and the washrooms are heavily used on a daily basis. Propelair’s robust design is well-suited to high-usage areas, and the new toilets have provided the University with substantial environmental, financial and hygiene benefits.
“Excellent initiative! Every step towards a more ecological KCL is worth supporting!”
“Great toilets! It’s important to save water; thanks for being environmentally aware. Thumbs up.”
“Great idea – it’s very practical and ecological. I hope you put this system in all the toilets!!”
Statistics
Annual Savings
(All figures represent a single Propelair unit)
Metered Water Charge
£2.15/m3
Flushes per Day
100
Previous Flush Volume
7.5 litres
Water
180,000 litres
Financial
£387.00
Payback
2.4 years
Environmental
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The installation of 12 Propelair toilets will achieve a 80% water saving
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Annually this will save 2,160,000 litres of water (building utilisation = 300 days)
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An annual carbon reduction of 2,230 kg
Financial
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2,160,000 litres of water saving = £4,644 reduction in water bills annually
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Payback achieved in 2.4 years
Hygiene
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Propelair’s unique displaced air technology efficiently removes all waste with one flush
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Reduces airborne germs by up to 95%
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Removes up to 99.9% of waterborne contaminants
