The Second Law of Thermodynamics Dan Holohan June 20, 2017 A simple concept we see just about everywhere we look. Read More
Use of vacuum pumps requires some common sense Dan Holohan May 23, 2017 Units can solve many steam-distribution problems. Read More
A little reverse psychology might go a long way Dan Holohan February 27, 2017 The finicky soap pump. Read More
Heating ads get it right What’s in it for them? Dan Holohan November 17, 2016 Heating advertisements of the past got right to the point. Read More
Today's district heating systems use hydronics on a large scale The UK has vowed to do away with all gas-fired boilers and gas cooking stoves. Dan Holohan August 31, 2016 Today’s systems use hydronics on a large scale.Read More
Be wary of how a boiler is maintained How to kill a boiler. Dan Holohan July 27, 2016 Boilers fail, and whenever they do, someone usually blames the manufacturer.Read More
Compression tank problems The Dead Men called them expansion tanks because the tank was the place where the water expanded. Dan Holohan May 27, 2016 Heating professionals always should keep the valves on the gauge glass closed.Read More
Association people I know a bit about the early days of the American Society of Heating and Ventilating Engineers because they kept magnificent records. Dan Holohan April 22, 2016 The art of discussion paved the way for what ASHRAE has become. Read More
The invention of PEX and the permanent-magnet motor Dan Holohan February 17, 2016 The invention of PEX and the permanent-magnet motor.Read More