David Elfstrom
@DavidElfstrom@masto.ai
Joined: 11/08/2022
About David Elfstrom
P.Eng, Energy management, measurement & verification. Born @ 327 ppm CO₂. Safer infrastructure, #ventilation, #IAQ #CorsiRosenthalBox optimization #COVIDisAirborne #COVIDCO2 🇨🇦
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