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Home Ventilation
Positive Input Ventilation (PIV)

Home Ventilation

Here at UK Energy Services we have a solution to prevent condensation and improve the air quality in your home. Positive Input Ventilation by Nuaire.


  • Cures condensation dampness
  • Extremely energy efficient
  • Reduces Dust mites, allergens, pollen, 
  • Reduces Radon and traffic fumes

Contact us about PIV

Indoor Air Quality

On average people in the UK spend over 80% of their time indoors. So indoor air quality matters. The latest research indicates that indoor air can be 50 times more polluted than outdoors.

Common symptoms of poor indoor air quality include coughing, sneezing, watery eyes, fatigue, headache and allergic reactions. Indoor pollutants include anything from VOCS (Volatile organic compounds) from household sprays through to naturally occurring radon gas that can seep into the home. Proper ventilation will improve indoor air quality.

Reaction to poor indoor air quality

Ventilation Services for Businesses

Our sister company specialises in commercial air conditioning and ventilation design, installation and maintenance

Find out more

Nuaire’s Positive Input Ventilation (PIV) systems

Drimaster-Eco & Flatmaster

Nuaire invented Positive Input Ventilation (PIV) in 1972 and are market leaders in the UK. Nuaire PIV systems supply fresh air into the home by drawing air from outside into the ventilated loft space, where it is filtered before being passed through a modern ceiling diffuser. By pressuring the home, humidity is reduced, and pollutants are forced out.

The Nuaire PIV unit is designed to take fresh air from the outside, filter the air and discharge it into the home via a system of ducting, tempering the air if the unit is fitted with a heater. 

Talk to us about PIV for your home

Nuaire Drimaster-Eco

Nuaire Drimaster-Eco

Nuaire Drimaster-Eco


There are Drimaster-Eco options suitable for all properties; single storey, 2 storey and 3 storey properties with lofts which are all quick to install.

Nuaire Flatmaster

Nuaire Drimaster-Eco

Nuaire Drimaster-Eco

For homes without a loft, the Flatmaster is a compact unit which can be fitted in a convenient location, such as a utility cupboard or hallway making it ideal for flats, apartments and maisonettes.

Positive Input Ventilation (PIV)

What is PIV?

PIV, Positive Input Ventilation. This process reduces air pollutants including traffic fumes, pollen and even Radon gas if you are in an area of the UK affected by this. Positive Input Ventilation filters air and introduces into your home via a diffuser, creating healthy air movement throughout your home, reducing condensation and preventing mould build up. 

Condensation in Your Home

Whilst you may notice some of the effects of condensation, streaming windows and mould growth, you might not realise the impact on the air quality inside your living environment.

The average family can produce up to 10 litres of water per day: bathing, cooking, washing and drying clothes inside. Homes with double glazing, central heating and wall and loft insulation can be more prone to trapping moisture if not adequately ventilated.

Condensation on windows, walls, musty smells and mould are all signs of poor ventilation with both old and new homes affected. Air bricks and open windows won’t always solve these problems, especially in winter when we want to keep the heat in.

Allergens in Your Home

Condensation and mould aren’t the only downside to poor ventilation. Dust mites thrive in damp, humid conditions and can trigger asthma and allergies. 

Clinical trials have proven PIV reduces dust mite allergens helping asthma and allergy sufferers

Treating Mould In Your Home

Water vapour in the air settles on cold surfaces within the home leading to the creation of condensation and mould. Mould patches often start in the corners of rooms, behind furniture and window frames. The visible signs of mould growth are sprayed, cleaned and painted over, yet the real cause is not addressed. Correct ventilation will not only save the repeat costs of redecorating but will eradicate condensation and mould. Water vapour in the air settles on cold surfaces within the home leading to the creation of condensation and mould.

Nuaire Drimaster-Eco

Positive Input Ventilation is a cost-effective cure for condensation – but what exactly is PIV, and how does it work?


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