Understanding The Basics Of Heat Recovery Ventilation

Copyright (c) 2015 Matt Reardon

According to the International Energy Agency Report that dwelt on energy efficient buildings, a variety of methods are in place for reducing mechanical cooling and heating in buildings. These include natural ventilation, external window shading, window coverings, efficient window glazing and improved building insulation.

To paint your roof roofs white could, in an ideal situation, decrease air-conditioning loads in a home by up to 20 per cent. Cutting down air leakage and managing internal heat that is being generated from your equipment and lighting also decrease heating and cooling loads.

The process of heat recovery works by continuously preheating your house's incoming cool supply of air through having it warmed using the outgoing exhaust warm air. The warm air is just not exhausted but it is made to transfer most of the heat it contains to the incoming supply air through a heat recovery exchanger. During no time do the two airstreams ever mix since the heat gets exchanged through the special plates of the heat exchanger unit.

Why Bother With It?

The ever rising costs of energy costs and the need to cut down on carbon emissions coupled with the need to conserve heat is leading to increased levels of insulation in our buildings. This is leading to great air tightness in our house dwellings. The outcome is poor indoor climate which has the potential of causing you and your household members health problems. These also have long term damaging impacts on the basic fabric of your house.

The solution lies in fresh, warmed and filtered air. If your household has got many occupants, you will be requiring lots of fresh air each day to recompense for the warm and often unhealthy moisture being generated by everybody plus what is coming from your washing, cooking and bathing. A form of mechanical ventilation using heat recovery offers the ideal solution

How does it Work?

The principles of the working of a heat recovery ventilation system are simple. The contaminated stale air inside your house is constantly being replaced by warmed, filtered and fresh air without losing all the heat. According to a study published in the December 2012 Issue of the International Journal of Ventilation, a highly efficient heat exchanger can be used in recovering over 90 per cent of the heat in the stale air and transfer the same to your incoming air. The Study was titled 'Performance of Counter Flow Heat Recovery Ventilation Systems in Dwellings'.

The outcome is a high performance system of ventilation which keeps your house supplied with fresh cleaner air. The heat recovering and the re-utilizing of that same heat will also come with some welcome savings in costs. This technique is also very advantageous for areas or zones where the planning regulations perhaps don't permit the installation of other noisy methods of ventilation. The system also saves you from excessive external noise like would normally be heard in case you're residing near a railway line or a major road.

Other Benefits Include:

- No more unwanted draughts

- Cuts your carbon footprint

- Lowers your heating bills

- Gets rid of unpleasant smells

- Reduces noise pollution

- Eradicates airborne dust

- Filtered and fresh air throughout

- No need for noisy extractor fans

- Cuts down on excessive air condensation and associated damage

- Improves the quality of life for anybody suffering from asthma, hay fever and eczema

- Improved home security as you can now have your windows closed throughout.


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MouldBuster has been offering HRV solutions in Australia for many years. When you call, Matt Reardon will tackle all your queries. You will not have to worry about what is the best solution for your mold and mildew problems after coming to MouldBuster. When you come to MouldBuster or you visit their website at http://mouldbuster.com.au , you will be a happy client after meeting Matt.