Articles by Dan Holohan

Get Real — Get Hydronic Heat

Attention to Engineering and Design May Save Generations of Comfort Grief

My daughter Erin, along with her three sisters, grew up listening to me talk nonstop about hydronic heating. Erin recently bought a house with a furnace.


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A History of Steam Pressure Relief Valves

Who Truly Gets Credit for the Invention of the Steam Pressure Relief Valve?

In 1905, a boiler in a Boston shoe factory blew up, traveled a great distance through the air, and landed, with delightful justice, in the front yard of the operating engineer’s house. Think it got his attention?


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2015 HARDI Fly-In

Highlights from HARDI's Congressional Fly-In in Washington, D.C.

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NEWSMakers: Clint Schreck

Clint Schreck, general manager, Columbus Worthington Air, Columbus, Ohio, discusses winning Angie’s List Super Service Award, how to handle online reviews, and much more.

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2015 May 25

Check out the weekly edition of The NEWS today!

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HYDROCARBON REFRIGERANTS

The EPA has approved several hydrocarbon (HC) refrigerants for HVACR applications. Do you support the use of HCs?
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2015 National Plumbing & HVAC Estimator

Every plumbing and HVAC estimator can use the cost estimates in this practical manual!

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