Part 4: Identifying problematic HVAC zoning and control issues using manual UMLH tests This article describes the use and application of manual unmet load hour (UMLH) checks and...
Part 3: How Unmet Load Hours are determined in the IES Virtual Environment As described in Part 1 of this guide, an unmet load hour is any hour of any day of the year when...
Part 2: Spaces, Dates, and Hours subject to Unmet Load Hours tests As described in Part 1 of this guide, an unmet load hour is any hour when one or more zones in the...
Part 1: Understanding Unmet Load Hours (UMLHs) In this, Part 1 of our Unmet Load Hours series, we dive into the fundamentals of UMLHs—much more so than the...