Review of ventilation strategy to ensure sufficient ventilation is provided. This strategy requires the installation of

Monitoring & feedback recommended: Yes

ADVANTAGES

Balanced supply and extract: all air entering the building is filtered (good IAQ). Systems available that are capable of up to 95% heat recovery. Summer bypass facilites available for heat 'dumping' in warm weather. Low annual electrical energy. Multiple speed: minimum of two settings, but many systems offer up to four.