We are proud to present the fourth of five eBooks specifically for the hydronics market. Brought to you by Plumbing & Mechanical, PM Engineer and Supply House Times, this FREE eBook is a collection of columns and articles from John Siegenthaler, a well-respected hydronics expert.
In 1988 when I quit my job as the national service manager for a major HVAC equipment company to become an editor for an HVACR trade magazine, I was asked by then-ACCA Director Jim Norris to look into the question of whether CFCs (particularly R11 and R12) were damaging our planet by destroying the earth’s protective ozone layer.
ASHRAE proposed changes that would have added the provision of addendums “D” and “H” of ASHRAE 15 to the 2021 edition of the IAPMO Uniform Mechanical Code.
Launched in 2011, the CREST condensing boiler family offers facilities the broadest range of specification flexibility in the marketplace, Lochinvar states.