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Comment by mettamage | Hacker News Reader

A former client of mine, Healthy Workers, is solving this problem by creating smart buildings that measure things such as CO2 and O2.

They are hiring a backend developer and other non-technical roles in Amsterdam.

https://healthyworkers.recruitee.com/

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But virtually all buildings already do this. In fact, it's often part of the (legal) building code.

Only CO detectors are mandatory in buildings.

No. Building Codes typically refer to a standard like ASHRAE 62, which basically prescribes a fresh-air rate for a space by size and occupancy. Demand based ventilation is not common in my experience (small commercial buildings).

I suppose it could be the difference between high rises and smaller structures. My projects have been very particular about it.

Probably right. Many clients view it only as an added expense for equipment. Beyond that, there is a certain type of client/owner who is skeptical of any automation beyond a bi-metallic thermostat.

What's the competitive advantage vs just using household CO2 sensors that cost $60-100 and are portable between rooms?

Healthy Workers combines people data (with their explicit consent) and sensor data.

It is also not only about CO2 and O2. I wouldn’t know what they are tracking now but the idea is that they track everything environmental-building related.

Gotcha, makes a lot more sense now.

At the very least, I'd track at least 3-4 factors beyond simple CO2, so it makes sense to integrate that all at once at HVAC level rather than carry around 5 sensors.

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