HEATKEYS

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

DuPont is a science-based products and services company. Founded in 1802, DuPont puts science to work by creating sustainable solutions essential to a better, safer, healthier life for people everywhere. Operating in more than 70 countries, DuPont of...

Air Conditioning and Refrigeration technical tips for equipment owners, service companies, and technicians.

MIT is devoted to the advancement of knowledge and education of students in areas that contribute to or prosper in an environment of science and technology.

Official site for Mechanical PE Sample Exams, Mechanical PE Exam Technical study guides, Morning Session Sample Mechanical PE Exam, Afternoon Session HVAC and Refrigeration Sample Exam, HVAC design tools, Plumbing design tools and Quality control che...

Lj.by make url shorter for livejournal, twitter, facebook and other social networks

Process Chillers for Mission Critical Applications

Reference.com - Free online encyclopedia and reference. Quickly research famous people, places, topics, and events from trusted sources.

Evaluate properties and analyze thermodynamic systems on line using smart calculators called daemons. Browse hundreds of animations to visualize thermodynamic systems.