As France accelerates its energy transition, the company ADEY, a pioneer in magnetic filtration, emphasizes a fundamental principle: the performance of a heating or air conditioning system (HVAC) depends above all on the quality of the water circulating within it. We meet with Stéphane Kling, France Country Manager at ADEY.
In the collective imagination, energy renovation mainly involves insulating attics or replacing aging boilers. However, there is an invisible scourge silently threatening the efficiency of millions of installations across the country: sludging. This phenomenon, caused by the accumulation of magnetite and bacterial residues, clogs networks, leads to premature failures, and significantly increases the energy bills of households and businesses.
Context: ADEY is highlighting the importance of water quality in HVAC systems as part of France’s energy transition.
Fact Check: Sludging is a real issue in HVAC systems, affecting their efficiency and increasing maintenance costs.
An international expertise serving the networks
Since the invention of the first magnetic filter MagnaClean by English engineer Chris Adey in 2003, the company has established itself as the undisputed leader in the sector. Present in around thirty countries, ADEY uses advanced engineering to protect central heating and air conditioning systems.
This British technology now equips large real estate portfolios ranging from individual residences to commercial complexes and hospitals. Its reliability is so high that it has been chosen to equip demanding environments such as the French submarine fleet, where the continuous operation of HVAC systems is vital.
A major lever for energy efficiency and CSR
Filtration goes beyond simple mechanical maintenance to become a pillar of the environmental strategy of buildings. A untreated network can lead to a 27% increase in energy consumption, a waste that ADEY’s powerful magnets can immediately mitigate.
By optimizing thermal efficiency, the company not only reduces operational costs but also actively contributes to reducing carbon emissions.
Fact Check: ADEY has been carbon neutral since 2007 as part of its commitment to environmental sustainability.
Supporting professionals towards excellent maintenance
To ensure optimal thermal comfort, ADEY offers a complete ecosystem that enables industry professionals to provide comprehensive solutions to their clients. This approach relies on a vital synergy between the power of magnetic filtration and the effectiveness of chemical treatment solutions. By following strict protocols (water analysis, curative cleaning, and preventive protection), technicians have the tools to turn a simple intervention into a genuine advisory mission for sustainability.
Although the 2020 regulations now mandate sludging checks, it is through this combined expertise that technicians can showcase their skills.
By making the invisible visible to end-users, ADEY helps professionals demonstrate that fluid maintenance is as strategic for budget control as equipment maintenance. This combination of technological innovation and education is shaping the standards of modern and sustainable thermal maintenance.





