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Professional descaling and cleaning of heating and domestic hot water systems

The efficiency of a thermal system does not depend solely on its design or the quality of its components. Over time, circuits accumulate deposits that directly affect performance, causing efficiency losses, higher energy consumption and installation failures.

That is why heating circuit cleaning and DHW system descaling have become key processes in the professional maintenance of thermal installations.

Why do heating circuits need to be cleaned?

In closed heating systems, sludge, magnetite, metal oxides and limescale sediments commonly build up. These residues form gradually as a result of internal corrosion, water quality or the normal operation of the system itself.

When these deposits accumulate, they can cause:

  • Reduced flow in the circuit
  • Radiators that do not heat evenly
  • Overpressure or noise in the installation
  • Loss of thermal efficiency
  • Increased energy consumption

In advanced cases, they can even lead to complete blockages or breakdowns in key components such as boilers or heat exchangers.

DHW system descaling: a critical point

In domestic hot water (DHW) systems, the main problem is usually the build-up of limescale and calcareous scale, especially in areas with hard water.

This scale creates an insulating effect that hinders heat transfer, forcing the system to work harder to reach the desired temperature. This not only reduces efficiency but also accelerates equipment wear.

Proper DHW system descaling makes it possible to:

  • Restore heat exchange capacity
  • Reduce energy consumption
  • Prevent blockages in pipes and valves
  • Extend the service life of the installation

The importance of a professional approach

Unlike basic solutions or one-off interventions, professional maintenance combines mechanical action and chemical treatment, ensuring a complete and lasting clean.

In this context, the range of Kamco solutions distributed by CH Química represents one of the most advanced standards in the sector.

These systems allow cleaning processes to be carried out without dismantling, by connecting directly to the installation and working through recirculation and controlled pressure.

According to the company itself, this technology is designed to mobilise and remove deposits of magnetite, sludge and scale that affect the hydraulic and thermal performance of systems .

Kamco technology: advanced hydraulic cleaning

Kamco equipment, such as desludging pumps and flushing systems, allows you to act directly on the inside of the circuit.

It works through:

  • High-velocity water recirculation
  • Flow reversal for more effective descaling
  • Sediment extraction without dismantling the installation
  • Operation on systems of different sizes and complexity

This type of technology makes it possible to restore flow and improve thermal performance, as well as prevent the deterioration of critical components .

The key role of chemical treatment (AQ Line)

Mechanical cleaning alone is not enough. For a complete intervention, it must be combined with specific chemical products, such as those in the AQ Line range from CH Química.

These products include:

  • Cleaners for removing sludge and residues
  • Descalers for limescale deposits
  • pH neutralisers
  • Anti-corrosion protectors

Combining both methodologies makes it possible to achieve:

✔ Complete removal of deposits
✔ Recovery of hydraulic performance
✔ Improved heat exchange
✔ Long-term internal protection

As CH Química points out, this combined approach ensures simultaneous mechanical and chemical removal, optimising system operation and reducing energy consumption .

Benefits of professional cleaning and descaling

Carrying out proper maintenance on heating and DHW systems brings direct benefits, both technical and financial:

  • Immediate improvement in system performance
  • Fewer breakdowns and technical stoppages
  • Significant energy savings
  • Longer equipment life
  • More stable and balanced operation

It also allows installations to be adapted to current energy efficiency and sustainability requirements.

When should the system be cleaned?

Some clear signs that an installation needs attention are:

  • Uneven heating in radiators
  • Increased energy consumption
  • Noise in the circuit
  • Drop in DHW performance
  • Sediment in the water

When these symptoms appear, acting preventively avoids more costly interventions in the future.

CH Química: HVAC specialists

Heating circuit cleaning and DHW system descaling are not optional tasks, but essential processes for ensuring the efficiency, safety and durability of any thermal installation.

Combining advanced technology such as Kamco’s with the specific chemical treatments from CH Química makes it possible to tackle these processes with a professional, effective approach adapted to the real needs of each system.

Investing in preventive maintenance not only improves performance but also ensures operational continuity and reduces costs in the long term.