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

The U.S. DOE Energy Efficiency and Renewable Energy Web site provides information on energy efficiency and renewable energy technologies.

Psychrometric analysis and charting software. Engineering Weather Data.

Online shopping from the earth's biggest selection of books, magazines, music, DVDs, videos, electronics, computers, software, apparel & accessories, shoes, jewelry, tools & hardware, housewares, furniture, sporting goods, beauty & person...

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

Trane Design & Analysis Tools include HVAC software tools, calculators, charts and HVAC analysis tools. These HVAC design tools are an optimal choice for simple to complicated HVAC system design.

Loren Cook Company manufactures fans, blowers and ventilators; energy recovery ventilators, centrifugal roof and wall exhausters, tube and vane axial fans, kitchen ventilation and centrifugal blowers for the commercial and industrial market.

Geothermal energy systems also known as geo-thermal, geoexchange, geo-exchange, ground-water, ground-water assisted, ground-water-source, water-to-water, or water furnace heat pumps for commercial, residential heating and cooling and water heating.

Engineering standards, specifications, technical books, and more technical resources for engineers, technicians, scientists and other technical people.

YouTube is a place to discover, watch, upload and share videos.

GlobalSpec is a search engine and information resource for the engineering, industrial and technical communities. We help you quickly find industrial parts, specifications and services.