If Indoor CO2 goes up, turn on the fan.

If your indoor CO2 levels go over 750 ppm, turn on the house fan for 15 min. High indoor CO2 can cause symptoms such as fatigue, headache, breathing difficulties, strained eyes and itchy skin. Outdoor CO2 is around 400 ppm.

by todbookless

Install 6
works with
  • Nest Thermostat

Applet version ID 252670