Success story: Cambridge Cleantech member Propelair raises £3 million



Investment will fuel the global growth for its water and energy-efficient toilet system with unique hygiene benefits.

Propelair, the UK-based developer of what is believed to be the world’s lowest water-flush toilet system, has secured £3 million in new equity. Global impact investment firm Earth Capital led the funding round. This funding is in addition to a very successful Seedrs crowdfunding campaign, as well as investment from other investors.

Watch what they are doing…

Propelair in a few numbers… 

Propelair uses air to propel just 1.5 litres of water per flush, into existing drains, compared to 6-9 litres per flush for conventional toilets. It thus saves money, reduces water processing (thereby saving carbon), is quick to refill and is more hygienic than a conventional toilet, reducing aerosolised germs, including COVID-19, by 95%.


To date, Propelair has installed nearly 4,800 units in the UK and South Africa. Commercial customers include service stations, shopping centres, universities, restaurants and banks.

Propelair is already saving customers an estimated 800,000,000 litres of water per year.


(This article was originally published here)