Ventilation is getting a lot of attention right now. You may have noticed that more HVAC systems include outside air for ventilation purposes. If you’ve ever encountered one of these installations, how do you know the system has the correct amount of outside air?
With two airside measurements and a little math, you can test and even adjust an outside air duct in a few minutes. Now, let’s look at how you can do this using a formula called Fan Law Two.