HEATKEYS

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

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.

Offering good advice, whether you want it or not.

ThermExcel software. Estimate Excel. Monthly progress payment. Construction Cost. Bid Estimates. Air duct sizing. Gantt chart. Pipe sizing. Overheated steam. Control valves. Orifice plate. Pressure loss calculation. Psychrometric calculation.

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...

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

Engineering information and connections for the global community of engineers. Find engineering games, videos, jobs, disciplines, calculators and articles…

Comair Rotron air moving solutions include fans, blowers, fan trays, and impellers.

Commercial Kitchen Ventilation Systems - Exhaust Hoods, Exhaust Fans, Heaters and Make-Up Air - Sustainable Technology For Kitchen Ventilation Design

Carrier is the world leader in air conditioners, furnaces, hvac and central air conditioning products, providing air conditioning, heating and refrigeration solutions for home and businesses.

Home energy rating provider, HERS & ENERGY STAR training, Architectural & HVAC design