
PIV Installation Leicester
Date Published
PIV Installation in Leicester, Leicestershire
Property type: 4 bed semi detached house
Location: Leicester, Leicestershire
Customer: Mr U
Issue identified: Condensation on windows, concerns around mould risk and indoor air quality
System installed: Heated Positive Input Ventilation unit

The condensation, dampness & black mould issue
Mr U contacted us regarding humid air causing condensation to form on the inside of the windows in his home in Leicester. There were also concerns about the potential for mould growth in colder areas of the property. Particularly with plans to improve insulation in the near future.
Mr U also explained that he suffers from asthma and frequently feels unwell during the winter months. While ventilation systems are not a medical solution. Poor, stale air quality and excess moisture can contribute to uncomfortable living conditions. Especially in colder periods when homes are less ventilated.
Our assessment, install a PIV unit
After assessing the property and discussing Mr U’s concerns. It was clear that moisture was building up inside the home due to limited airflow. With external wall insulation also being considered. It was important to ensure the property had a suitable ventilation system in place.
Improving insulation without addressing ventilation can increase the risk of condensation and mould. As warm, moist air becomes trapped inside the property For this reason, a whole house ventilation solution was recommended.

The drimaster eco solution
We installed a heated Positive Input Ventilation system, positioned in a central location in the loft space. The system continuously introduces fresh, filtered air into the home, gently diluting and pushing out stale, moisture laden air.
We supply and install a range of PIV units. But the heated element helps temper the incoming air during colder months. Making it well suited to larger homes and properties that are becoming more airtight through insulation upgrades.
The result
With the PIV system installed, the property now benefits from consistent background ventilation. Over time, this will help reduce condensation on windows. Which will lower the risk of mould forming in colder spots and improve overall air quality throughout the home.
The installation also provides peace of mind ahead of future insulation works. Ensuring moisture is managed correctly as the property becomes more energy efficient. The best part is the positive input ventilation PIV system is not expensive to run!
Customer review
“We have a 4-bed semi-detached house. We went for a PIV system for a few reasons. One is that I am an asthma sufferer and seem to be getting ill frequently over the winter periods.
I am not sure if it will help with that but time will tell. It will help remove the condensation we have on the inside of our windows and we also are looking at the possibility of installing exterior wall insulation in the near future. This will hopefully help prevent mold growth in the colder spots.”
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Why PIV works well in insulated homes
As homes become more airtight through insulation improvements, proper ventilation becomes essential. PIV systems help balance airflow, reduce condensation and support healthier indoor environments without compromising comfort.
PIV installation in Leicester
If you are experiencing condensation, concerns about mould or are planning insulation upgrades, a PIV system can form an important part of the solution. At ClearAIR PIV, we install PIV systems across Leicester and the surrounding areas, providing honest advice tailored to your home.
