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What the codes, standards and schemes that govern ventilation actually require — ASHRAE 62.1 and 62.2, EN 16798 and EN 13141, Ecodesign, Eurovent, LEED, BREEAM and Passive House. Each article names the version, the jurisdiction and the source of the requirement, so it can be verified and cited.
Green building schemes do not certify ventilation products. LEED, BREEAM and Passive House all set requirements on the building — its energy…
If you sell or specify a residential ventilation unit into the European Union, two different legal instruments apply and they are often…
ASHRAE 62.1 applies to commercial and institutional buildings; ASHRAE 62.2 applies to residential buildings. If you are ventilating an office, school, restaurant…

Natural vs mechanical ventilation in sustainable building design: how they affect energy use, and how to combine them.

Why classroom air quality matters, the four common problems, how much ventilation a classroom needs, and which equipment — HRV, fresh-air blower, or exhaust fan — fits a school.