30/09/2026
With around 1 in 3 New Zealand homes carrying a moisture problem serious enough to affect health, and most of those problems going undetected for years, choosing the right ventilation system isn't a minor decision, it directly affects your family's health, your heating bills, and the long-term condition of your home.
This guide breaks down how each system works, where each performs best, and why positive pressure ventilation is the system most North Island homeowners land on.
If you've started researching home ventilation across the North Island, you've likely come across two very different approaches: positive pressure ventilation and balanced heat recovery ventilation (HRV). Both aim to solve the same problem, damp, stale, unhealthy indoor air but they work in fundamen...