HEATKEYS

At Avenir Software Inc., we focus exclusively on the development of custom software programs for application design and product selection, specializing in easy-to-use tools for technical products that typically require application design and sizing c...

Viega copper and stainless steel press fititngs and PEX piping systems are revolutionizing the industry. Flameless and reliable, Viega provides the products you need for nearly any plumbing, heating or pipe joining project.

Creator of the World

Tools and Basic Information for Design, Engineering and Construction of Technical Applications

The #1 Online Resource for Heating Answers. Ask and answer questions about heating systems, both old and new. All are welcome!

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

Taco is a manufacturer of hydronic systems and equipment for residential, light commercial, industrial and OEM markets. Site includes information for HVAC designers, engineers, plumbing contractors and consumers.

REHAU is a global polymer processing company supplying products to the construction, automotive, and industry sectors. Products include PVC windows and Doors, Conservatories, Curtain Walling, heating and Plumbing, furniture components, tubing and app...

LATICRETE is a world-wide manufacturer ceramic tile and stone installation systems used in residential, commercial and industrial applications. Materials such as waterproofing anti-fracture membranes, tile grout, tile adhesives and electric radiant h...

Edraw is a powerful yet easy-to-use program for creating flowcharts, organizational charts, network diagrams, business presentations, building plans, mind mapping and lots more.