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How Heat Recovery Ventilation works?

  • Step 1

    Dirty, stale air is continually extracted from all the wet areas, through unobtrusive white steel ceiling or wall mounted extract registers.

  • Step 2

    This air then makes its way through the extract ducting and the long rigid silencer, back to the heat recovery unit. Before being discharged outside, it passes through the plate or counter flow heat exchanger giving up its heat to the cold fresh air coming into the house.

  • Step 3

    The highly filtered supply air is warmed up and heated up to the required temperature by the water heater coil (linked to your wet heating system) or an electric heater element (if required) ensuring no cold draughts, which must be avoided.

  • Step 4

    The supply air is now delivered through our long rigid silencer into the supply ducting, through ceiling or wall mounted supply registers, to all the habitable rooms (the lounge, dining room, family room, study, all bedrooms) resulting in whole house ventilation.

 
 

Counter Flow EC Fans Automatic Summer By-Pass

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We are extremely happy with the heat exchanger that AllergyPlus installed for us. Our house is now well ventilated and draught free. The system is so quiet; you wouldn’t even know it was here. As for the installation, AllergyPlus were very efficient and helpful. It took the weight off our shoulders - they’re highly recommended!-- Mr & Mrs Sato
 

Benefits of Heat Recovery Ventilation

The supply air is now delivered through our long rigid silencer into the supply ducting, through ceiling or wall mounted supply registers, to all the habitable rooms (the lounge, dining room, family room, study, all bedrooms) resulting in whole house ventilation.

1. Health Benefits

It is vital to your health and well being to change all the air in homes, continually replacing the stale contaminated air with highly filtered, fresh air from outside. A Heat Recovery Ventilation system will provide a constant supply of fresh air to the house. Before entering your home, this air will be filtered of dust, pollution and pollen, creating a very healthy living environment.

2. Energy Efficiency

A Heat Recovery Ventilation system will ensure high levels of energy-efficiency and significant savings on heating costs. Unlike out-dated systems, a Heat Recovery Ventilation system will not simply’dump’all of the heat from the extract air outside the house. Before being discharged outside, the extract air passes through the plate or counter flow heat exchanger within the HRV unit, giving up its heat to the cold fresh air coming into the house. All of our heat exchangers are of the highest specification and heat recovery efficiency. They will improve your SAP rating rather than detract from it.

3. No more trickle vents or extractor fans

A whole house Heat Recovery Ventilation system will completely negate the need for trickle vents in your windows and extractor fans in any wet rooms. This fully complies with Building Regulations and so there is no need to ruin your brand new expensive windows!

4. An end to Condensation Problems

Moist air in your home can lead to condensation problems, the build up of which can cause real damage and expense. A highly insulated house will suffer from such problems if not well ventilated. A Heat Recovery Ventilation system will ensure that all moist and humid air is constantly removed from wet areas in the house, preventing problems of condensation and fungal growth, the spores of which can be seriously detrimental to the health of the occupants.