Ruud.com Pages

  • Certispec

    The Certispec automated sizing program is the best and quickest way to spec Ruud Commercial Water Heaters. This software is free from Ruud Water Heating. It's the only sizing tool you'll ever need for a tank style water heater. Please read and print this important information before downloading and installing Certispec (1.5 mb file) When you click the Download link below, the program will prompt you to save CertiSpec3Setup.exe to disk. System Requirements: Windows 95/98 or NT 4.X Pentium 90 or h…

  • You’re Ready with Ruud

    2015 DOE REGIONAL EFFICIENCY STANDARDS FOR HEATING & COOLING PRODUCTS additional resource links US DEPARTMENT OF ENERGY Energy.gov DOE: Residential Central Air Conditioners and Heat Pumps Standards New energy conservation standards for residential air conditioners, heat pumps & package models will go into effect on January 1, 2015. For the first time, federal minimum efficiency standards of certain products will vary, and will be based upon the state (region) the product is installed. O…

  • Glossary of Terms

    Glossary of Terms AFUE Annual Fuel Utilization Efficiency. Used to express the efficiency of gas furnaces. The higher the AFUE rating, the more efficient the unit. Federal law has required that all new residential furnaces built after January 1992 operate with an AFUE of 78% or higher. All Ruud® furnaces are manufactured to exceed these requirements with a minimum AFUE of 80%. If your furnace was built before 1992, chances are it is operating with an average efficiency of around 60%. Most of th…

  • Frequently Asked Questions

    Who do I contact for air conditioning products and service? What do rating numbers mean? What is a SEER? What does HSPF stand for? What does AFUE stand for? Should outdoor units be covered in winter? Should a thermostat be set to "auto" or "on"? Can shrubs or flowers be planted around an outdoor unit? If an outdoor unit needs replacing, should the indoor unit be replaced too? How do I know what size unit our house needs? What is the difference between a split system and a package unit? How do I…

  • DesignStar

    Homeowners! Become a "DesignStar" by customizing your new home comfort system to your specific lifestyle and needs. DesignStar allows you to quickly determine what comfort options are best for you and your family. Just a couple of mouse clicks away are the comfort features, energy and utility bill savings that will mean years of relaxation - all in an easy-to-read format. Click here to find a DesignStar Contractor today: