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A sign of a good ventilation system is that it’s unnoticeable. A perfectly designed ventilation system is quiet, energy efficient and provides the property and its occupants healthy, fresh air.
The following tips will help you find the perfect ventilation system or extractor fan for your circumstances:
Designing a ventilation system requires an attention to detail and knowledge of the latest Building Regulations and constructions standards. Ensure that you choose an architect or builder that has sufficient knowledge to design and install the ventilation system so that it operates unnoticeably in the background.
Choosing a NICEIC approved ventilation installer guarantees that your ventilation systems will be installed as per best practices.
When choosing your ventilation unit, it is imperative that you select a unit that meets your needs and Building Regulations when installed. This ensures that you and your home receive the sufficient level of ventilation as outlined by Part F of the Building Regulations.
Choosing an extractor fan or whole house system, such as MEV or MVHR, which can adapt to changes in the dwelling, for example humidity levels, means that you’re not wasting the energy ventilating the property when no one is using it and also guarantees that the ventilation levels increase when humidity levels, which can lead to damp and mould if unchecked, increase.
It doesn’t make sense to have your extractor fan or MVHR running at the same level all the time. It can be insufficient, leading to damp, mould and the build-up of harmful airborne pollutants. Alternatively, the ventilation level can be set too high, which wastes energy.
There are various options for controlling your extractor fan or ventilation unit (MEV or MVHR). These include manual switches to fully responsive ventilation. Integrating humidity or CO2 sensors with your MEV or MVHR unit gives you an intelligent ventilation system that responds to changes and occupancy levels of the dwelling; guaranteeing you healthy and energy efficient ventilation.
Many high quality extractor fans can be set to respond to changes in room usage, be it through fluctuations in humidity levels or through motion sensors. This type of functionality guarantees that the fan isn’t needlessly extracting when the room isn’t in use, but also swiftly removes any excess humidity from the room when it is in use.
The most important characteristic of selecting your MVHR unit is its thermal efficiency. Thermal efficiency refers to the amount of heat that the MVHR unit recovers from the extracted air and in turns pre-warms the incoming supply air. The higher the thermal efficiency of the unit, the less energy is required to heat the property.
High quality MVHR units have a thermal efficiency of over 90%, with some even able to recover up to 95% of otherwise wasted heat.