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Indoor air quality and ventilation service

Ventilation and indoor air quality service

 

Indoor air quality matters to everyone. Poor indoor air quality effects health and mood too. Excess humidity (water vapour) and high CO2 (Carbon Dioxide) levels can lead to mould growth, condensation, headaches and, they are associated with a range of other health problems.

mould colony due to damp and poor indoor air quality

This extensive mould colony should be removed – but if the cause isn’t identified and rectified, it will be back.

These are quite modern issues, which did not feature in the 20th century, when houses were served by open fires and when draught exclusion, was in its infancy.

Now, in the 21st century, most of the calls we receive, asking for help with damp, are the result of stale and unventilated living conditions.

What can be done to change indoor air quality for the better?

There are a wide range of mechanical ventilation systems available and we understand them all. As the causes of damp have evolved, our expertise has moved with the times too.

Over the past five years we have invested money and time in researching the indoor air quality problem. We’ve talked to manufacturers of advanced ventilation and air purity systems. We’ve attended courses and passed exams in ventilation too. We have two bpec qualified domestic ventilation engineers in house.

This combines with our three decades of experience in dampness in buildings, to create the premier indoor air quality management service in Yorkshire.

Ventilation system manufacturers are the experts on equipment, they make it afterall. However, qualified and experienced specialist surveyors like us, add another extra layer of knowledge. We know buildings and building materials.

Poor indoor air quality causing condensation thermal image

Persistent mould next to a child’s bed – highlighted by our surveyor, seen here as condensation via one of our thermal imaging cameras

Evidence based specification? What’s that?

Where indoor air quality and mould is concerned, there is no such thing as a magic bullet; no ‘one size fits all’ method. It’s not just that all houses are different; two semi-detached houses, adjacent to each other are quite similar. However, people differ; their habits, comfort levels, work patterns, numbers of children, pets and hobbies… the list goes on. There really is no such thing as the average house.

There’s nothing to be gained by recommending improvements of any kind, if the cause of the problem hasn’t been clearly identified first. There must be evidence, which logically supports any chosen intervention – this is one of our guiding values. These values are built into our indoor air quality service, for your benefit. We are not a sales driven company, employing ‘free surveys’ to sell products. Our low survey fee mean you get the right answers.

Read on for more details or, why not speak to a knowledgeable member of our team? Please call us Leeds 265 2752 York 566577 or Sheffield 224 5121 or email us about indoor air quality via our contact page, .

observator unconditional test method

Air flow through an extract fan, precisely measured during ‘Commissioning’ to part F using the unconditional method.

A full diagnostic indoor air quality service

So, first things first; we always carry out a detailed survey of the home.  Its size, number of bedrooms, wet rooms (like bathrooms, kitchens, utilities and such), occupancy levels, construction method and materials, type and heating regime. This is just for starters…

We’ll document the extent of excessive visible mould; check If there is mechanical ventilation, how it is ducted and we’ll test that it is sufficient and performing properly.

Background ventilation is checked too and of course. We’ll also include a full dampness survey, checking for rising damp, penetrating damp and condensation.

 

indoor air quality tests to unconditional and minimum benchmark level

Our qualified and friendly surveyors offer fan testing using UKAS calibrated equipment

Provided you’re present we’ll also sit and have a chat. We can really find out what is impacting on your enjoyment of the home and together, we’ll agree a way forward.

Sometimes a more forensic approach is needed. We may use thermal imaging, humidity, temperature or CO2 data logging. A range of additional tests are available too. In cases where these are needed we’ll tell you.

A full written report will outline what is happening and specify any ventilation improvements which will deliver the results you need.

The best bit is that we don’t base our recommendations on sales of fans. These can be bought via the internet and we can help you choose the right system. The only cost to you is the survey fee, which of course gets you the right advice – free from any commercial bias. |Your own chosen electrician or ventilation firm can then install a system.

If you suspect that the air quality in your home is poor, or if you have excessive visible mould growth or condensation, we can help you. Our recommendations are evidence driven through a proper survey and, we always get results. Call us on your local number Leeds 265 2752 York 566577 or Sheffield 224 5121 or email us via our contact page.

Further Reading:

A technical blog post explaining the difference between Relative Humidity and Vapour pressure.

For the technically minded, we’ve written a detailed article on Relative Humidity (RH) and Vapour Pressure (Vp). These are terms you’ll read in many of our indoor air quality survey reports…..

Continue reading >

If you are a Landlord with a tenant complaining about damp and mould.... you are not alone.

Whilst we offer every technical and state of the art answer for mould and poor air quality – A good pair of eyes and experience, are by far the best tools in any surveyors ‘toolbox’. Here’s an good example of modern apartments with ‘designed-in’ mould problems…….

Continue reading >

Here's a real case study from York, North Yorkshire. Our surveyor identified indoor air quality problems and now - the mould is gone for good.

Our client in York is a landlord and her tenants complained about damp and mould. After a detailed survey, which included testing of the ventilation system and measurement of the humidity – we hatched a plan. The solution was accepted, on condition that we proved the results with data logging – Our very own bpec qualified domestic ventilation engineer Paul Glover CSRT, accepted the challenge…..

Continue reading >

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