This is a course on the Manual N for accurate procedures which can be used to estimate the heat loss and heat gain for commercial and industrial structures. The course material is specifically intended to provide step-by-step instructions on how to perform the Manual N calculations.  If your state exam focuses heavily on load calculations using the Manual N, this 1-hour course could be a tremendous help in achieving a passing score. All of our online seminars are professionally narrated and animated with graphic illustrations of the concepts being taught, and our web-based presentation system tracks your progress so you can work through the materials at your convienience, resuming where you left off with each login.