C-Mc Energy

Leading the Way to a Sustainable Future

Heat Recovery Ventilation: Why choose Aldes?

The Dee Fly has the benefits of the latest motor and heat recovery technologies.


The Dee Fly Heat Recovery unit limits the heat lost through the replacement of air in the house.

Thanks to its counter-flow heat exchanger system it provides the optimum level of energy transfer from the 'used' air being discharged.

  • Up to 90% of the available calories from the air being extracted are used.
  • Up to 20% saving in heating costs.
  • The microwatt motor limits energy consumption by adjusting its speed, as required.


Dee Fly diffuses filtered, warmed air and attenuates external noises.

  • Better indoor air quality whilst maintaining comfortable temperature.
  • Eliminates draughts caused by traditional ventilation or open windows.
  • The Dee Fly is also a particularly silent HRV unit boasting better acoustic insulation from the outside world. This is a considerable benefit when the unit is installed near bedrooms.


  • The Dee Fly casing is designed using Expanded Polypropylene (EPP) providing numerous advantages, one of which is to reduce its weight making it easier to install and results in less waste.
  • The power of the motor has been optimised to reduce energy use.


  • The Dee Fly is a Plug and Play machine, with straight forward installation instructions
  • The air grills are self balancing and humidity controlled so no need for complicated settings.


  • Simple, user-friendly controls
  • Controller installed in the kitchen uses a standard electrical mounting box.
  • Variable speeds can be selected for better air quality.
  • Automatic bypass option to avoid having to pre-heat the incoming air during summer months.
  • Humidity controlled grilles installed for bathrooms to ensure levels of air extraction are reached automatically.
  • Motion sensor grilles installed in WC to boost air extraction when room is occupied.
  • Easy to maintain: Automatic filter clogging detector, System fault indicator, Motor casing holes for