Hampshire Damp Proofers
Positive Input Ventilation in Andover, Hampshire

Damp proofing in Andover

Positive Input Ventilation in Andover

Positive input ventilation (PIV) in Andover. A PIV unit gently pushes filtered fresh air through the home, keeping humidity down across the whole house rather than one room.

Get a quote in Andover

A free, no-obligation survey and a written quote.

Free, no-obligation surveys
Fixed written quotes
Cause treated, not the patch
Local, Hampshire-based

Positive Input Ventilation

Positive Input Ventilation across Andover

Positive input ventilation (PIV) in Andover. A PIV unit gently pushes filtered fresh air through the home, keeping humidity down across the whole house rather than one room.

It is a quiet, low-cost answer to condensation and mould in Andover homes, and we set it up to run efficiently and explain what it costs to run.

Positive Input Ventilation in Andover
Green mould and algae from persistent condensation

What’s included

What positive input ventilation in Andover covers

Every quote varies depending on the property and what the job needs, but here is what a typical positive input ventilation job in Andover covers from start to finish.

  • An assessment of how the property breathes
  • Extractor fans for kitchens and bathrooms
  • Positive input ventilation for whole-home control
  • Humidity-sensing controls where suitable
  • Advice on running costs and daily use

How we do it

Positive Input Ventilation in Andover: the process

  1. Step 01

    Assess

    We look at where moisture is made and where it collects.

  2. Step 02

    Specify

    We recommend the extraction or whole-home system that suits the home.

  3. Step 03

    Install

    Units are fitted neatly and set up to run efficiently.

  4. Step 04

    Explain

    We show you how it works and what it costs to run.

Book a free positive input ventilation survey in Andover

Tell us what you have noticed and we will come out, find the cause and provide you with a written quote with no obligation.

The quote

Positive Input Ventilation in Andover costs

Every property is different, so we quote each Andover job on its own after a free survey rather than off a description. These are the things that move the figure, and we set it all out in writing before any work starts. The visit is free.

  • Whether you need single fans or a whole-home system
  • The number of rooms being ventilated
  • The type of controls fitted
  • How the units run and where they vent

Common questions

Positive Input Ventilation in Andover: your questions

What is positive input ventilation?

It is a quiet unit, usually in the loft, that gently pushes filtered fresh air through the Andover home, keeping humidity down across the whole house.

Is PIV expensive to run?

No. Modern units use very little power and many run only when humidity rises. We tell you the running costs for your Andover home before you decide.

What is positive input ventilation?

It is a quiet unit, usually sited in the loft, that gently pushes filtered fresh air through the home. That keeps humidity down across the whole house rather than just one room.

Are the fans noisy or expensive to run?

Modern units are quiet and use very little power, and many run only when humidity rises. We tell you the running costs before you decide.

Will ventilation on its own cure my mould?

If the damp is condensation, controlling the moist air is the real fix. We treat the existing mould first, then ventilate so it does not return.

Get a quote in Andover

A free, no-obligation survey and a written quote.

Looking for a service other than Positive Input Ventilation in Andover?

We cover the full range of damp and timber work for Andover homes:

Not in Andover? Still looking for Positive Input Ventilation near you?

We provide positive input ventilation across Hampshire, including:

We also provide positive input ventilation to: Upper Clatford, Abbotts Ann, Hatherden, Binley, Shalbourne, Stanton St Bernard

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