3E Plus: A Comprehensive Performance and Economic Design Package About NAIMA's Software. NAIMA's 3E Plus® software is designed to allow the user to easily calculate heat losses and to determine surface temperatures on hot and cold piping and equipment. 3E Plus uses the heat flow calculation method described in ASTM C680 titled: Standard Practices for Determination of Heat Gain or Loss and.. Walkthrough of each of the 11 calculation types available in the new online version of 3E Plus and how to review basic results. Video Sections. general overview. 0:0s. Heat loss per hour. 0:37s. Heat loss per year. 2:12s. Cost of energy. 3:15s. Environmental Emissions. 4:26s. Simple Payback. 5:20s. Economic Thickness. 6:20s. Personnel Protection.
Introducing 3E Plus® software. Calculate the appropriate insulation thickness—every time—for any application quickly and easily. GET STARTED Make the Easy Choice Determining the appropriate amount of insulation can be tricky. But we're making it easy. Calculating thickness is a critical part of the success or failure of…. The use of the 3E Plus program to calculate heat transfer does not ensure or guarantee specific dollars savings or energy savings. This program was designed for the industrial process, environmental managers and the insulation industry. It is a valuable tool for calculating and selecting the insulation thickness needed to reduce heat transfer.