Join CaptiveAire for a professional development hour (PDH) and learn the ins and outs of commercial HVAC load calculations--how to determine what tonnage unit you need and all of the factors at play in this decision. This topic is particularly helpful for anyone who works in HVAC, especially HVAC engineers and consultants, as well as building owners and anyone who wants to gain a deeper understanding of the decision making process when sizing commercial ventilation equipment. Learn more about CaptiveAire at captiveaire.com.