Northern Ireland's local ventilation experts — curing condensation and mould since 2018
PIV Installer NI is a specialized ventilation company based in Belfast. We focus exclusively on Positive Input Ventilation (PIV)—the permanent, scientific cure for home dampness, condensation, and toxic black mould.
Founded in 2018, we set out with a clear purpose: to offer a lasting solution to the severe moisture problems that plague Northern Ireland's housing stock. Condensation and damp are not just cosmetic problems—they damage building materials and aggravate chronic respiratory issues like asthma.
Since our inception, we have completed over 1,000 installations across Greater Belfast and surrounding towns. We are built on honest advice, high-quality workmanship, and real, verifiable results.
We are a local, independent company, not a national call centre. When you contact us, you speak directly with local technicians who understand the specific damp issues of properties in Belfast, Lisburn, Derry, and beyond.
We prioritize honesty, transparent pricing, and quality workmanship in everything we do.
We only recommend PIV if it's the right solution for your home layout. Our surveys are 100% free with no obligation and no high-pressure sales pitches.
We only source and install market-leading PIV units from Nuaire. Our technicians are fully qualified and experienced in residential electrical work.
We are based in Belfast and live in the communities we serve. We understand the unique challenges of local stone, brick, and terraced houses.
Our service doesn't end when the installation is complete. We remain available for filter replacements, servicing, and advice at any time.
No hidden costs, no surprises. The price we estimate or quote is the final price you pay, inclusive of parts, electrical labor, and VAT.
We know how annoying persistent condensation and mould can be. We schedule surveys quickly and complete installations in less than a week from booking.
Every member of our team is fully vetted, background checked, and manufacturer-trained to guarantee your peace of mind.
Book a free, no-obligation assessment. Curing damp issues is just a click away.