MVHR Diffusers for Self-Build: Terminals That Belong in the House
8 hours ago
·What the standard plastic valve costs you visually, what the alternatives cost in pounds, how to size them from your MVHR schedule, and why the decision has to be made before the plasterboard goes up.
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Sizing a Diffuser From Your Design Rates: Spigot Diameters, m³/h and Slot Count
9 hours ago
·From litres per second to a part number. Spigot diameters against m³/h at working duct velocities, when to go two slots versus three, and how to carry the sizing through to the plenum box.
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