Building Regulations: The Scottish equivalent to the Passivhaus standard: Stage 2

Closes 16 Oct 2026

Ventilation and indoor air quality

To help you answer questions 23 - 25, please read Section 7 of the consultation paper.

MVHR = Mechanical Ventilation with Heat Recovery

23. Do you agree with the proposal to accept any ventilation system/solution of achieving the performance sought in standard 3.14 ‘Ventilation’?
24. Do you have any views on additional guidance for MVHR systems that would be beneficial to be included in future guidance?
25. Do you have any views on the proposal to decouple the link between fabric air infiltration and ventilation solution?