HEATKEYS

Welcome to the Department of Facilities Management for the University of Maryland.

free online electrical engineering courses, books, software, spreadsheets, design guides, cad details, standards and codes

Elite Software - 30 hvac software programs for all aspects of hvac, plumbing and electrical System Design

The EDR is the best way to calculate wire gauge through voltage and fault current electrical calculators. The Volt drop, ac volt drop and DC volt drop are all calculated for fuse selection or motor fusing with a combination of AC Voltage Drop, DC Vol...

Siemens is the world’s single-source leader of automation technology products for all industrial sectors. Learn more about our unique range of products and systems.

Reviews and free software downloads for Windows, Mac, Palm, Pocket PC, and Mobile Phones. The best programs and games. Buy software directly online.

Electrical, HVAC, and plumbing software for engineering design of buildings in AutoCAD

EC&M Magazine | Electric design and installation articles covering the National Electrical Code, power quality, and lighting for electrical contractors, engineers and in-plant electrical personnel.

The guide to SMPS switching power supply for both designers and buyers. Provides circuit design tutorial, schematics, topologies overview, PCB design rules. Find power supply by spec. Includes basic power electronics and electrical engineering refere...

Autodesk Exchange