October 14, 2026
Every buried pressure pipe wants to straighten itself out. At every bend, tee, or dead end, internal pressure pushes against...
Free tools built for day-to-day MEP work, including AutoCAD LISP routines, HVAC calculators, and software guidance to speed up design and takeoff tasks.
Every buried pressure pipe wants to straighten itself out. At every bend, tee, or dead end, internal pressure pushes against...
Sizing a fire pump starts with one number: the net pressure it must add at the design flow. This free...
Free AutoCAD LISP that counts every block in a selection, groups them by name or layer, handles dynamic blocks and...
Need to calculate the total length of multiple lines or polylines in AutoCAD? A total-length routine adds the lengths of...
You are probably one of three users who would have searched for “HAP 6.2 free download”: you have a project...
Choose home maintenance tools for tasks you can carry out safely and are permitted to do. Start with routine plumbing,...
Duct sizing is one of those calculations everyone in HVAC ends up doing constantly, and it’s deceptively easy to get...
BuildMEP practical HVAC estimating tool This free duct sheet takeoff Excel workbook totals the external surface area of straight rectangular...
Engineering tools, HVAC guides, calculators, and practical MEP resources.
info@buildmep.com
© 2026 BuildMEP. All rights reserved.