Rules of Thumb This is on Heating Help and features boiler rules of thumb
How to calculate steam velocity This is my article on calculating steam velocity
Ware informational videos They have some really cool videos on boilers and boiler room accessories
Danfoss Magnetic Tool This app can help you use your phone to detect is solenoid valves are powered.
Multimeter Symbols This site will explain what the symbols mean on a multimeter
Cooling & Heating Equations The EngineeringToolBox is a great site for designers
HVAC Equations These equations from Sporlan are useful in the field
Steam Engineering Tutorials Spirax Sarco has information on the design of steam heating systems
Steam Advanced This site is by National Oilheat Research Alliance and good information
Efficiency Advanced This site is by National Oilheat Research Alliance and good information
How to Trap This is a great site from Armstrong International to help you learn and size steam traps
Equivalent Length This is on EngineeringToolBox & shows the equivalent length for pressure drop sizing
Calculating & Monitoring Condensate Chem Aqua shows how to calculate condensate losses
Steam Theory TLV has an excellent site for understanding steam
Industrial Steam Trapping Handbook This is by Yarway & Emerson and a good resource
Steam Heating Systems This is a good source for steam system design and engineering by Bell & Gossett
Steam Systems This site hosted by the Office of Energy Efficiency & Renewable Energy has many different articles on steam
Steam Heat Exchangers Bell & Gossett has an easy to understand guide to using steam to water heat exchangers
Boiler Types for Steam Applications This is by the American Boiler Manufacturers Assn.
Steam Engineering Guide This is an in-depth resource from Watson McDaniel for designing steam systems
Boiler Bible This is by Thermodyne and has just about any equation you would need for steam
Best Practices for Installation of Safety Valves Swagelok has a good application manual for steam safety relief valves
BoilerLessons.com This is the site I use to register for my seminars
Brewing with Steam My steam information site for brewers
HeatingHelp.com This site is a great reference for any heating question you may have. It is populated by some of the smart sets minds in the industry.
WV APPA This is the WV chapter of APPA, It is the school maintenance professionals.
WV ASHRAE Great chapter for ASHRAE
WVASFA The WV organization for school maintenance and custodian staffs.