All PIV Units

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All PIV Units

Shop Positive Input Ventilation (PIV) units designed to introduce filtered air into the home and help improve air circulation.

Commonly installed in loft spaces, PIV systems can help reduce problems associated with stagnant air, excess humidity and condensation when correctly selected and installed.

Frequently Asked Questions

  • Where is the best place to install a PIV unit in a loft?

    A loft-mounted PIV unit is normally positioned where it can draw suitable air and distribute it effectively through a central ceiling diffuser. Always follow the manufacturer’s positioning and clearance requirements.

  • Can PIV be used alongside existing extractor fans?

    Yes, PIV is commonly used alongside extract ventilation in moisture-producing rooms. The systems should be planned together so fresh-air supply and extraction work effectively throughout the property.

  • How much electricity does a PIV unit use?

    Running costs depend on the model, fan speed, operating time and whether the unit includes an electric heater. Check the power consumption of the specific unit when comparing options.