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Olthaar Ontwerpen |principles|mechanical ventilation heat exchange

mechanical ventilation heat exchange



The MV heat exchanger is a central heating boiler with an air heat exchanger. This uses the air in a very innovative way. The air, both indoor and outdoor, of a house contains sufficient heat, which in turn can be used to pre-heat the household heating or tap water. The pump extracts the heat from the air and brings it up to a usable level. When combined with the conventional central heating system boiler this becomes a high yield reliable system.


  • Up to 40% more efficiency than a normal central heating boiler
  • Reduced energy costs
  • Lower gas consumption, therefore less sensitivity to gas price fluctuations
  • CO2 reduction: 7%
  • EPC reduction: 0.15 *
  • Easy to install

* Reduction values are indicative