The F.W. Webb site has been greatly improved for both internal and external plumbing customers.

This 81-year-old Ohio distribution firm uses technology and communication to stay relevant with contractors.

The standard will allow authorities to recommend certification as a minimum requirement to obtain a business license to practice hydronic heating and cooling within that jurisdiction.

Hydronic cooling also works in smaller buildings.

The latest idronics edition from Caleffi, titled “Controlling Hydronic Systems,” describes basic concepts used in a wide variety of devices.

Applications are due no later than May 1, 2014.