Column 1 | Column 2 |
---|---|
5-10 m³/hr.m² | Intermittent extract fans with trickle vents to windows |
3-5 m³/hr.m² | Decentralised Mechanical ventilation system with trickle vents to windows. |
< 3 m³/hr.m² | Full house mechanical ventilation system (Mechanical ventilation heat recovery system) |