Air Quality Sensors that wont break the bank

[parautenbach (Pieter Rautenbach)]

@RockFlagEagle

Just something that can give me a good idea of the quality of the air I am breathing in and may provide some indication as to when I should freshen things up.

Air Quality sensors - CO2/CO - dangerous fakery

BE VERY CAREFUL when looking for a device which measures CO2 or CO DO NOT use any kind of air quality sensor as a substitute for a dedicated and certified carbon monoxide monitor. The consequences may be lethal Many “multi-in-1” air sensors are only useful as a way of indicating that a window should be opened/extractor fan switched on (eg: when the kitty litter box has just been used) If you do want to measure CO2, look for a device containing a NDIR sensor The problem: Many/most of the che…

Because:

@tom_l

Those Tuya devices do not have real CO2 sensors. They “derive” the value from the VOC sensor. In other words: complete bullshit. They also don’t have a particulate sensor, which is important for assessing air quality.