3 ms·
CO2 monitors are quite expensive for normal people. Good ones like the Aranet4 are in the $200 range.
by diebeforei485 3y ago
CO2 monitors are quite expensive for normal people. Good ones like the Aranet4 are in the $200 range.
- detaro 3y agoHaving an effective warning system is not reliant on "every person buys their own sensors". And compared to many other threats, effective CO2 sensors are very cheap, so a community that knows it needs them can do things.