1.2.19 Cleaning heat exchangers of chillers

1.2.19 Cleaning heat exchangers of chillerssent in the building



HVAC heat exchangers are critical to resident’s comfort in the building. Regularly scheduled heater exchanger cleanings will maintain clean waterside surfaces and ensure superb operation and efficiency.


  • Reduce heat losses and air infiltration

  • Decrease operating and maintenance costs

  • Optimum performance


  • Operation and Maintenance (O&M) staff size, skill level, and budget need to be considered

Economic assessment

This measure has no associated cost, unless a company for the maintenance of the system is hired (from 200€ a year). Decrease the energy cost in around 30%.

References and best practices

Image gallery


Environment or playable world:

  • Residential

  • Academic

  • Offices

  • All

Carried out by:

  • Public building users

  • Owners

  • Operators

  • All

Reduce consumption of:

  • Heating

  • Cooling

  • DHW

  • Lighting

  • Electric devices

Type of driver:

  • Physical environmental

  • Contextual

  • Psychological

  • Physiological

  • Social

Time framework:

  • Short term
  • Long term

Type of measure:

  • Envelope
  • HVAC
  • DHW
  • Lighting
  • Electrical devices
  • Other
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