HEATKEYS

This site provides weatherization practitioners and other energy conservation professionals with information related to the Weatherization Assistance Program (WAP), its on-going operations, and its partnerships with stakeholders.

Building in California is a statewide guide to the California Building Codes

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

Offering good advice, whether you want it or not.

Roof-top Curb Adpaters that retro fit any new HVAC Unit to Old Curb Ductwork.

PDHonline.org offers Engineering Continuing Education PE PLS LS AIA RA web-based PDH professional development courses for license renewal - civil structural mechanical electrical chemical engineering course hours units credits PDHs continuing educ...

Contracting Business is the leading business-to-business magazine for commercial, residential, and industrial contractors in the heating, ventilation, air conditioning and refrigeration industries.

Do it yourself home improvement and diy repair at Doityourself.com. Includes home improvement projects, home repair, kitchen remodeling, plumbing, electrical, painting, real estate, and decorating.

EnergyVortex explores Energy News, Energy Certification, Energy Education, Energy Technologies, CleanTech, Energy Management, Green Job Opportunities, Sustainable Development.

Engineers Edge - Total Design, Engineering & Manufacturing Resouces