Research shows PIV can beat condensation in homes


Vent-Axia is urging social housing providers to take steps now to tackle condensation and mould, with recent test data from the company confirming that Positive Input Ventilation (PIV) can beat condensation and mould in homes.

A recent study by Vent-Axia looked at the effect of installing PIV in a home with ongoing condensation and mould problems.

PIV was installed in a trial house for four months and two main air quality factors were measured during this time. The Total Volatile Organic Compounds (TVOC) level was measured, to give a general indicator of indoor air quality in the home. Plus, the Total Mould Volatile Organic Compounds (TMVOC) level was measured, which is an assessment of actively growing mould in the home. The data collected showed that when PIV was installed in the home the total TVOC level dropped by 40% showing a significant improvement in indoor air quality in the home. Meanwhile, the TMVOC levels dropped by 67%. The data therefore illustrates how PIV can significantly improve indoor air quality and tackle condensation and mould in the home.

Jenny Smith, Head of Marketing at Vent-Axia, said: “While condensation and mould can be a persistent problem for landlords, this year it is more important than ever to tackle the issue due to the Coronavirus pandemic. Household health is crucial as those with pre-existing health conditions are often more affected by COVID-19, making it especially important to keep vulnerable residents with existing respiratory conditions safe. It is therefore vital everyone is able to live in a home with a healthy indoor environment, free from damaging condensation and mould. Our real-world study has proven how PIV is a great tool in tackling this problem.”

PIV offers a whole house ventilation system. It filters incoming air, gently circulating it around the home transforming a stagnant and stale atmosphere into a fresh healthy and condensation-free environment. Designed to improve indoor air quality and prevent moisture build-up within social housing properties, the Lo-Carbon PoziDry Pro and Lo-Carbon PoziDry Compact Pro PIV units from Vent-Axia provide a highly effective solution to help landlords control condensation and mould, as well as offering high levels of air filtration. Boasting quick and simple installation for contractors the PIV units are highly energy efficient, unobtrusive, near silent and help provide a healthy environment for residents.

The PoziDry Pro is designed for larger properties with a loft to install the unit in whilst the PoziDry Compact Pro is the ideal solution for properties without a loft. Half the size of conventional boxed PIV units, the PoziDry Compact Pro is still powerful enough to effectively tackle condensation and mould but is so small that it can fit inside the decorative boxing that is used to cover its ducting.

The PoziDry Pro and PoziDry Compact Pro also come with Smart Sense technology, which tracks fan usage to ensure it is used as intended. This includes data such as days run, hours on trickle or boost, and even more specifically, hours run on boost triggered by the humidity sensor. If a fan has been switched off and mould appears, the landlord will realise why and can discuss a solution with residents. This helps landlords make homes safer for residents by helping to avoid condensation and mould which can lead to respiratory problems and allergies.

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