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nobodyandproud 4 days ago

Good advice on the CO2 monitor. Cheap and surprisingly effective. I haven't considered the VOC--any recommendations?

As an aside, I open up my window, but sometimes smokers decide to take a break outside and...well. Other times, I have neighbors barbecuing.

If I don't shut the windows quickly I've just replaced stale and somewhat harmful air with oxygenated and definitely harmful air.

twothamendment 4 days ago | parent | next [-]

I've been using the Awair Element for years. It helped me decide to install an air exchanger an to swap the gas range with induction. Bonus, it has a local API for pulling data.

I have a purple air sensor outside. One day I'll get around to making the air exchanger smart enough to turn off when the smoke from fires makes the air outside worse than inside, it turn off the air exchanger when inside air is good enough, etc.

prewett 3 days ago | parent | prev [-]

I've been happy with the AirGradient One, which does have VOC measurement, as well as CO2, and PPM 2.5. It seems that VOC on the hardware side is relative, so the amount is just compared to a baseline (last 24 hours in the case of the AirGradient One). Also, VOCs are everywhere, but not necessarily harmful: cooking will spike your VOCs, but that's very different than having a can of varnish open.