Here I will spell it out for you very simply. If the numbers in the calculations are based on inaccurate or dated data, you are not oversizing the system-it is merely a correction. Typically in Missouri the temps can be above 90f from July through September often for weeks on end and with...
That's not what I was saying. You don't size for these. But it creates a perfect storm of problems that are not cheap to fix. We have a lot of regional problems especially in commercial HVAC with engineering companies from out of state under sizing systems here and managing o/a improperly. They...
I would go with quote 2 calculation and here is why. I used to live in the KC area which is similar climate to STL. The calculations in manual j are off in regards to humidity for the area.
I have worked in the HVAC industry for 15 years and have dealt with this issue many times(lack of...