Technical Booklet K Ventilation·Page 22·2.11 - System 3
System 3: Continuous Mechanical Extract
System 3 uses continuous mechanical extract (MEV), with guidance on minimum provisions for extract and whole dwelling ventilation provided in paragraphs 2.65 to 2.84.
System 3 – Continuous mechanical extract (MEV). Guidance on minimum provisions for extract and whole dwelling ventilation is set out in paragraphs 2.65 to 2.84.
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