Recently I ran a extra 150 fan wit a small auxilary fan to pull air from the hall inside.
what has resulted is fulltime co2 even at night time (our day) the Co2 PPM meter say around 750 to 880 per volume.
Is this bad...?
Recently I ran a extra 150 fan wit a small auxilary fan to pull air from the hall inside.
what has resulted is fulltime co2 even at night time (our day) the Co2 PPM meter say around 750 to 880 per volume.
Is this bad...?
