Water conservation is a growing priority for businesses and homeowners alike. With rising water costs and increasing environmental concerns, water-saving toilets have become a popular choice. But are they worth it? In this article, we explore the benefits of water-saving toilets, how to reduce the amount of water used in a toilet, and the advantages of vacuum toilet systems, including those supplied by EVDS, the UK agents of EVAC. Get in touch with us today if you have any questions with Vacuum Toilets or saving water in your drainage.
If you are looking to learn more about water savings, read more about, Benefits of EVAC Solutions as well as our Environmental page.
Are Water-Saving Toilets Worth It?
The short answer is yes! Water-saving toilets provide multiple benefits, including:
- Lower Water Bills – Traditional toilets use around 6 to 9 litres per flush, while water-saving models use as little as 3 to 4.5 litres. This can significantly reduce water usage over time.
- Environmental Impact – Reducing water consumption helps conserve natural resources and supports sustainability efforts.
- Regulatory Compliance – Many businesses and new developments must meet water efficiency standards, making water-saving toilets a smart investment.
- Improved Plumbing Efficiency – Modern designs ensure effective waste removal while using less water, reducing strain on plumbing systems.
Have a look at some of the videos showing how our toilets work. Video Tutorials.

How Do You Reduce the Amount of Water in a Toilet?
If you’re looking to save water without replacing your entire toilet system, consider the following:
- Install a Dual-Flush Mechanism – These allow users to choose a lower or higher flush volume depending on waste type.
- Use a Cistern Displacement Device – These small devices, often provided by water companies, reduce the amount of water used per flush.
- Check for Leaks – A leaking toilet can waste thousands of litres of water each year, so regular maintenance is crucial.
- Upgrade to a Vacuum Toilet System – Unlike traditional gravity-fed toilets, vacuum toilets use air pressure to transport waste with minimal water use.
What is a Vacuum Toilet?
Vacuum toilets operate using air pressure to remove waste, requiring only about 1 litre of water per flush. This makes them far more efficient than standard toilets. Some key advantages include:
- Significant Water Savings – Up to 90% less water usage compared to traditional flush systems.
- Flexible Installation – Vacuum systems do not require extensive pipework, making them ideal for retrofitting into existing buildings.
- Reduced Blockages and Maintenance – The powerful vacuum system prevents clogs and reduces the need for repairs.
- Ideal for High-Traffic Areas – Used in transport systems, commercial buildings, and eco-friendly developments.
Do Vacuum Toilets Save Water?
Yes, vacuum toilets significantly reduce water usage compared to traditional gravity-flush systems. While a standard toilet typically uses 6–9 litres per flush, a vacuum toilet only requires around 0.5–1.5 litres. This is because vacuum drainage technology uses air pressure to transport waste efficiently, reducing the need for large volumes of water. By installing vacuum toilets, businesses and facilities can cut water consumption, lower utility costs, and contribute to sustainability efforts. This makes them an ideal solution for eco-friendly buildings, transport systems, and locations with limited water supply.

Industries That Benefit from Water-Saving and Vacuum Toilets
Water-saving and vacuum toilet systems provide immense benefits to a range of industries, including:
- Airports and Shopping Centres – These large facilities experience high footfall daily, meaning traditional toilets can waste thousands of litres of water. Vacuum toilet systems reduce costs and enhance efficiency in such high-demand environments.
- Supermarkets – Large retail stores benefit from water-efficient toilets as they help cut down on operational costs and support sustainability initiatives.
- Mobile Toilets and Events – Festivals, concerts, and outdoor events require temporary restroom facilities. Vacuum toilets are an excellent choice as they use minimal water, are easy to install, and reduce waste management concerns.
- Trains and Cruise Ships – Vacuum toilets are widely used in transportation sectors as they require minimal plumbing infrastructure and are highly efficient in confined spaces.
- Stadiums and Arenas – High-traffic venues that see thousands of visitors in a short span of time can greatly reduce water usage and maintenance costs with vacuum toilet technology.
- Hospitals and Healthcare Facilities – Water-saving toilets contribute to improved hygiene while reducing water costs in healthcare settings where sanitation is crucial.
Why Choose EVDS and EVAC Vacuum Toilets?
EVDS is the UK agent of EVAC, a global leader in vacuum drainage technology. EVAC’s vacuum toilet systems are trusted worldwide in marine, rail, and commercial sectors. By choosing EVDS for your water-saving toilet needs, you benefit from:
- Expertise in vacuum drainage solutions
- High-quality, sustainable toilet systems
- Custom installations tailored to your facility’s requirements
Conclusion
Water-saving toilets are a smart choice for both residential and commercial applications. Whether opting for dual-flush systems or advanced vacuum toilets from EVDS and EVAC, reducing water use benefits both the environment and your budget. If you’re looking for innovative, cost-effective, and eco-friendly toilet solutions, contact EVDS today to explore how vacuum toilet technology can work for you.