06/11/2026
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 fundamentally different ways, and one tends to suit New Zealand's housing stock and climate significantly better than the other.
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...