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  • Users: dgoodyear
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  1. dgoodyear

    Thoughts on negative pressure after balancing a Venmar X24 ERV?

    I have a x24ERV from venmar installed in a house where the blower door test measured about 0.3 ACH50. The house is really air tight. I know that the fan tables with the unit provide a way to measure air flow across the core to facilitate balancing fresh and stale air flows. my installer and I...

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