3 ms·
Even if you're referring to a HVAC with an entirely internal airflow, this isn't necessarily correct. For a long time I used the fan mode of my ducted AC to dis
by simondotau 4y ago
Even if you're referring to a HVAC with an entirely internal airflow, this isn't necessarily correct. For a long time I used the fan mode of my ducted AC to distribute air around my house, which dramatically reduced the level of bedroom CO2 concentration while asleep from well above 1500 ppm to below 800 ppm.