When spacing for MVHR ducts is tight, a combined intake-exhaust grille may be the solution

MVHR combined intake - exhaust grille for close proximity of external air ducts

Building Regulations requires that an MVHR’s intake grille (bringing fresh air into the property) and the MVHR’s exhaust grille (exhausting air from the property) should be 1.5 metres apart from each other. This is to prevent the system from sucking in the warm, humid exhaust air back into the property, also known as “cross-contamination”. The … Read more