HEATKEYS

Air Conditioning, Heating & Refrigeration NEWS site has up to date weekly information that covers all aspects of the ACHR and HVAC industry.

Low cost engineering software for AutoCAD, IntelliCAD and ZWCAD. Includes Piping, Ducting, Steel Beams and Mechanical tools that integrate inside your

Sheet Metal Fabrication: CAD software tips and information for sheet metal fabricators and users of AutoCAD, Inventor, Solid Edge, and SolidWorks.

Sheetmetalworld.com - for everything sheet metal, including news stories, classified ads, forums and much more

CONTENTS - Notes for teaching Building Energy Performance Analysis using project case studies. OBJECTIVE - Develop teaching materials for a two year course in Energy Efficient Building Design. CASE STUDIES – Different types of Buildings in differe...

CADTutor provides free video tutorials, articles, downloads and a busy community forum for users of AutoCAD and associated software.

Sweco Fab, Inc. manufactures ASME code pressure vessels and tanks, pipeline pig launchers and receivers and other specialty fabrication.

Shop Data Systems (SDS) has been servicing the metal fabrication industry for more than 30 years. We are leading the way with technological innovations that have helped thousands of shops around the world to become more efficient, competitive and pro...

CCAD inc. offers AutoCAD, AutoLISP and Inventor training, instruction, tutorials and classes, AutoCAD Add-on Applications, AutoCAD consulting and support services and custom AutoCAD programming.

Modern Machine Shop is focused on all aspects of metalworking technology - Providing the new product technologies; process solutions; supplier listings; application videos; business management content; networking; and event information that companie...

Newegg.com offers the best prices on computer products, laptop computers, LED LCD TVs, digital cameras, electronics, unlocked phones, office supplies, and more with fast shipping and top-rated customer service. Once you know, you Newegg!