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Heat Recovery Ventilator Sizing Guide 2026: How To Size An ERV CorrectlySizing a heat recovery ventilator comes down to four numbers: fresh airflow in m³/h, external static pressure in Pa, the heat recovery type (sensible or total), and the outdoor design conditions — the airflow comes from the larger of the per-person minimum and the air-change rate, the static pressure comes from the duct resistance, and the recovery type follows from whether...0 Commenti 0 condivisioni 49 Views 0 Anteprima