Geiser® greywater heat exchanger – Reclaim heat, save energy
Greywater is an underestimated energy source with untapped potential – and Geiser® helps you make the most of it. Our innovative heat exchanger recovers thermal energy from greywater and uses it to preheat cold water for your property’s hot water system, reducing both energy consumption and costs.
Geiser® is designed to meet the high demands of energy efficiency – today and in the future. With an impressive 70% efficiency, compact footprint, and minimal maintenance requirements, it’s a solution fit for both buildings and industrial settings. Lower your environmental impact, optimise operations and save money – all with Geiser®.
Want to know how Geiser® could improve energy efficiency in your operations?
Geiser® isn’t just a solution – it’s an investment in the future of sustainable energy management
What is grey water?
Greywater from showers is tempered water containing moderate levels of dirt and particles. This means the heat cannot be recovered using a traditional plate heat exchanger.
Why choose Geiser® – Maximise energy, minimise cost
- High and consistent efficiency: Delivers reliable performance across a wide flow range
- Low maintenance: Reduced operational costs and long service life
- Compact design: Requires only 0.5 m² of floor space
- Short payback time: Typically less than five years
- Easy installation: Suitable for both new and existing buildings
- Energy meter included: For monitoring and verifying energy savings
- Modular system: Can be connected in parallel for higher flows
- Safety first: Complies with category 1–3 greywater requirements under SS-EN 1717
Watch our video for a technical overview of Geiser®.
A smart solution for many sectors
Geiser® is the ideal solution for various sectors and facilities that produce greywater, including:
- Multi-residential buildings (new builds or refurbishments)
- Swimming and leisure centres
- Sports facilities and gyms
- Industrial sectors such as food processing and laundries
- Hotels and spas
- Healthcare facilities
By preheating incoming cold water for domestic hot water systems, Geiser® helps reduce energy use, peak power demand and heating costs.
Is Geiser® right for your project?
When you choose to work with us, we ensure a transparent, professional process to assess whether Geiser® is the right fit for your needs. We offer:
- Objective advice – We’re transparent and will let you know if Geiser® isn’t the best match for your project.
- Professional expertise – Our energy specialists support you from analysis to implementation.
- Proven performance – Geiser® comes with an energy meter to ensure you achieve the expected savings. We also offer flexible financing based on your energy reduction.
Contact us to explore how Geiser® could add value to your project.
Contact
Filip Strömgren
Product Manager Geiser –
Greywater Heat Exchanger
Consat Innovation Partner
filip.stromgren@consat.se
+46 (0)724-65 66 73