mechanical engineer (PE) focused on energy efficiency & indoor air quality in existing buildings. admirer of the built and natural environments. she/her.
Jul 8, 2022 • 9 tweets • 3 min read
NO: “The problem is that retrofitting indoor public spaces like offices, schools, restaurants, and theaters with proper air ventilation is incredibly expensive and not very feasible.”
Most buildings already have equipment for proper ventilation. The real problem? 1/
The real problem is that these systems are often not working right.
Why? Stuff breaks. Settings changed. Deferred maintenance. Facility mgr isn’t up-to-date on IAQ knowledge. No one is in charge of HVAC. People assume it works without checking.
2/
Mar 15, 2022 • 19 tweets • 8 min read
YAY for “tools to improve ventilation and air filtration” in WH plan
I often hear: too difficult, too $$$, wasn’t designed for it, everything’s fine.
As an engineer, I think it’s very doable. Doesn’t have to be $$$. Buildings are adaptable. We don’t know til we measure. 1/x
Where are ventilation and filtration now? What does improvement look like?
We wrote a paper on our 2020-now work:
From Guidance to Implementation: Applying ASHRAE Epidemic Task Force Building Readiness Strategies in 95 Commercial Office Buildings ashraem.confex.com/ashraem/w22/me…
