Sidearm water heaters were developed decades ago so that boilers could provide both space heating and domestic hot water. Generically, they are water-to-water heat exchangers that transfer heat from ...

ST. LOUIS—Potter Electric Signal Co. recently introduced what it says is an industry first: a self-testing flow switch for wet sprinkler systems that requires no discharge of water. Mike Henke, ...

Optimizing any cooling plant for minimal energy consumption is a demanding science. In many cases, minimizing chiller plant energy consumption requires modifications to the plant design, including ...