Positive input ventilation (PIV) in Dungannon

PIV can suit Dungannon houses and flats because it treats the whole home from one quiet unit.

Work in Dungannon follows the rules for Northern Ireland and finishes with a written record of what was fitted and how it was set up.

PIV in Dungannon at a glance

Town: Dungannon, County Tyrone
Postcode districts: BT70 and BT71
Nearby: Cookstown (10 miles), Armagh (11 miles) and Portadown (14 miles)
Price region: Northern Ireland
Survey: By arrangement, travel quoted first

What the work involves

Flats without a loft use a wall-mounted unit that draws air from outside through a cored hole. PIV works well in houses and flats with general condensation on windows and cold walls.

Wall-mounted PIV for flats

Draws air from outside through an outside wall. Suits flats and homes with no loft space.

PIV with fan upgrades

PIV plus humidity-controlled extract fans in the kitchen and bathroom for the most stubborn condensation.

Guide prices in Dungannon

Positive input ventilation (PIV) guide prices in Dungannon
Work	Guide price
Positive input ventilation (PIV) loft unit, supplied and fitted (per home)	£725–£1,275 inc VAT
Wall-mounted PIV unit for a flat (core drilled through an outside wall) (per flat)	£925–£1,550 inc VAT
Heater module or heated PIV unit (extra over a standard unit) (extra)	£135–£270 inc VAT

These ranges use our Northern Ireland rates. Prices include VAT at 20%. You get a fixed written price before any work is booked. Travel is quoted separately for this area.

Common reasons people call

Musty smell in wardrobes or behind furniture
The house feels stuffy and damp rather than cold
Washing dried indoors makes everything worse

Rules that apply in Northern Ireland

Northern Ireland has its own building regulations, with ventilation guidance in Technical Booklet K. We design to the Northern Ireland guidance and measure the airflow achieved.

Questions from Dungannon

What area around Dungannon do you work in?

All of County Tyrone. Near Dungannon that includes Cookstown, Armagh, Portadown and Craigavon.

How much does PIV cost to install?

A loft-mounted PIV unit usually costs £795 to £1,395 including VAT supplied and fitted, and £995 to £1,695 for a wall-mounted unit in a flat. A heater module adds around £145 to £295.

Does PIV really stop condensation?

PIV reduces condensation in most homes because it dilutes moist air and keeps it moving, but it works best alongside working extract fans in the kitchen and bathroom. Leaks, rising damp or a cold bridge need fixing separately.

Do you cover Dungannon and nearby?

Yes. We cover Dungannon and nearby places including Cookstown, Armagh, Portadown and Craigavon. Send your postcode and we will confirm.

What is the price of a PIV unit in Dungannon?

Guide prices for Dungannon use Northern Ireland rates: positive input ventilation (PIV) loft unit, supplied and fitted is typically £725 to £1,275 inc VAT per home. We confirm a fixed price in writing before any work starts.

Send a photo of your loft hatch area and landing ceiling for a quicker Dungannon quote.