Based on other residential-scale units we've seen, the efficiency will be quite low and much smaller units than CPST product and so should not be competitors.
However, seeing the "air bearing" in use, I wished I could remember if CPST owns that patent outright and gets royalties or if because it was developed with a government agency it's free to folks.
If we get a royalty, volume sales to residential units would be a nice, albeit smallish, income stream.
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