
David Elfstrom
@DavidElfstrom
Followers
15K
Following
28K
Media
2K
Statuses
19K
P.Eng, Energy management, measurement & verification. Born @ 327 ppm CO₂. Safer infrastructure, #ventilation, #CorsiRosenthalBox Also @ https://t.co/SDMtkE22wf, bsky, LinkedIn
Toronto
Joined March 2009
No tweets found