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Ventilation

Ventilation

All of our Engineers are trained and registered to install, test and commission ventilation systems through the BPEC Competent Persons Scheme.

We offer access and expertise to an extensive product range, including a variety of bespoke ventilation and heat recovery solutions.

Why do we need ventilation?
Many of us spend at least half of our time in our homes. By providing good quality air within our homes we not only increase our well being we improve our health.

The purpose of ventilation is to provide good quality air by removing the stale, polluted air from our homes, ensuring that the indoor air is healthy and safe to breathe.

Ventilation in today’s standards is also about energy costs by adding heat recovery and or renewable energy to the ventilation system.

As from 1st October 2010 domestic ventilation became notifiable works as part of Approved Document Part F 2010 (ADF) to new build properties.

Changes were made to the Scottish Building standards to ensure that every new building is designed and constructed so that the air quality inside the property is not a threat to the health of the occupants or the capacity of the building to resist moisture, decay or infestation.

By providing outside air to breathe, ventilation assists in the dilution and removal of pollutants as well as reduction in humidity/condensation that could become a risk to the health of the occupants. In short, ventilation provides fresh, clean air reducing the health risks to people and protecting the building fabric from damage.

Types of ventilation for new and existing homes:

  • Positive input ventilation (PIV)
  • PIV gently supplies fresh, filtered air into a home. This significantly reduces or eliminates condensation, the main cause of mould growth. PIV also prevents external pollutants entering the home.
  • Extract Ventilation
  • Extract fans are designed to remove moisture from individual wet areas within a home, such as kitchens and bathrooms.
  • Mechanical Ventilation and Heat Recovery (MVHR)
  • Continually operating balanced supply and extract ventilation

Does your property have this problem ?
Streaming windows, musty smells and mould growth are the obvious signs of condensation dampness in poorly ventilated homes. Condensation generated by bathing and showering, cooking and even breathing creates ideal conditions of mould and dust mites, whilst damaging the building fabric causing premature redecoration or replacement. Indoor air quality can be further decreased by pollutants from smoking, cooking, aerosols and naturally occurring Radon gas.

Pollutants
We are washing, cooking, cleaning, using aerosols, smoking and breathing. These factors contribute to pollutants which in turn impact the quality of air in homes and eventually the health of the occupants. Good ventilation will help to deal with these pollutants.

Condensation, mould and damp
Condensation and mould have long been issues in housing and the need to safeguard against them has significantly increased. When people discover they have a damp or mould problem often they will purchase a dehumidifier.

Unfortunately, a dehumidifier will not ventilate a home, can consume large amounts of electricity, be noisy and require regular maintenance by having to empty condensates. It is estimated that bathing, showering, cooking and drying clothes equates to four pints of moisture per person per day. Unable to notice this moisture in the air, it will first become evident when it comes into contact with cold surfaces, which it condenses onto. This is why a significant amount of condensation occurs overnight as the fabric of the building cools.

Dust mites
Dust mites breed in the humid environment found in homes which are poorly ventilated. Clinical evidence suggests that exposure to high concentrations of allergens associated with the house dust mites over a prolonged period can trigger allergic symptoms such as rhinitis, conjunctivitis and eczema. Repeated exposures to these allergens can lead to asthma. The severity of the asthma intensifies when humidity, house dust mites and mould levels are increased. Clinical research has proven that whole home ventilation can play a significant part in controlling dustmite allergens (Ventilation product manufacturers do not claim that the use of their products will cure asthma nor eliminate asthma attacks).

Radon
Radon is a naturally occurring radioactive gas which is both colourless and odourless. It enters buildings from the ground and can expose occupants to doses of radiation. It is estimated that 100,000 homes have a concentration of radon gas above the safe levels of 200 Becquerel per m2. Positive input ventilation (PIV) is a recognised method of radon control: increasing the internal air pressure will reduce radon entry into a dwelling and increase dilution of indoor radon (because of increased ventilation).

Let us help you and your home !
MS All Trades supply and install many types of ventilation and heat recovery system’s. Call us today and we will be happy to help you improve your indoor air quality.
If you have had a ventilation system installed by others and require commissioning and certification to be carried out, we can arrange for our BPEC Approved Engineer to complete this.