#DrainWaterHeatRecovery (#DWHR) technology is pretty common in Canadian new builds. There are a bunch of different products from different manufacturers, but they’re all pretty derivative. And for the better part of a decade, the industry was marked by endless infighting — accusations of IP theft, counterfeiting and use of toxic materials were rampant.

But this thread isn’t about any of that. Today, we’re talking about the outlier.

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