Industry relationships can turn into true friendships Time passed and I learned that helping people was like planting seeds. Dan Holohan April 19, 2016 Thinking about Dan Foley of Foley Mechanical, Lorton, Va., who keeps promises made.Read More
RPA and PM LIVE honor Dan Holohan at AHR Expo March 30, 2016 Dan Holohan will continue to write his popular monthly Heating Help column in Plumbing & Mechanical, but he has retired from making live presentations to contractors and other industry professionals.Read More
How to optimize coil heat exchanger flow Flow face off. John Siegenthaler, P.E. March 21, 2016 Many systems that use renewable energy heat sources have large thermal storage tanks. Read More
Caleffi hydronic heating zone controls February 17, 2016 Caleffi’s line of hydronic heating zone controls feature heavy-duty sealed relays for quiet operation. Read More
Back away from old heating equipment you don’t understand The Age of Ignorance Dan Holohan February 16, 2016 On my lifelong journey toward understanding the peculiar ins and outs of older American heating systems, I’ve made some mistakes. Read More
Why is it a British thermal unit? Dan Holohan February 4, 2016 Ever wonder why it’s a British thermal unit and not a Polish thermal unit?Read More
Dan Holohan's "What Hydronics Taught Holohan" January 24, 2016 “What Hydronics Taught Holohan” is Plumbing & Mechanical columnist Dan Holohan’s 374-page memoir.Read More
The origins of the British thermal unit Why not a Ptu? Dan Holohan January 20, 2016 Ever wonder why it’s a British thermal unit and not a Polish thermal unit? Read More
Baseboarders curved baseboard heater cover November 20, 2015 Baseboarders’ Elliptus features a gentle curve of an ellipse that runs the length of the heater. Read More
Fishing guides and heating techs Dan Holohan October 23, 2015 Human nature is a glorious thing, as is ego.Read More