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by Aspos 376 days ago
I have a CO2 sensor mounted right next to the vent of my ERV which pulls in fresh air regularly so the sensor gets calibrated automatically.
1 comments
ajolly 375 days ago
What erv are you using?
link
Aspos 374 days ago
I use Broan ERVS100S and Panasonic FV-04VE1
link