While heat pumps warm and cool, they don't fully purify or ventilate. Learn why coupling your heat pump with a balanced fresh air ventilation system is crucial for comprehensive indoor air quality in modern New Zealand homes. We delve into how ventilation dilutes pollutants, manages humidity, and removes odours. Plus, understand the dangers of PM2.5 and how air purifiers, especially with HEPA filters, combat these microscopic threats, making them a winter essential for a heal