HEATKEYS

United States-based industrial gas company. Air Separation Plant supplier - new and used industrial gas production plants (cryogenic and non-cryogenic oxygen plants, nitrogen plants, air separation plants and liquefiers) associated engineering, plant...

A Coolerado air conditioner is the most efficient air conditioning system made. It uses renewable atmospheric energy to provide cool, dry, healthy air.

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

Psychrometric analysis and charting software. Engineering Weather Data.

Free Lecture Notes, Syllabus, Tutorials, Audio and Video from MIT professors. All Free. No registration. | MIT OpenCourseWare | ocw.mit.edu

Instructables is the Biggest How To and DIY community where people make and share inspiring, entertaining, and useful projects, recipes, and hacks.