You may (or may not) have noticed your October PM Engineer digital edition copy looking much different than previous issues. 

When our local water company started adding Watts No. 7 dual-check backflow preventers to all water services, we soon discovered water heaters were failing at a rapid pace, with gas fired models exhibiting telltale signs where the cold/hot water lines skewed off making them look like a bow-legged cowboy! 

“Because knowledge rapidly deteriorates unless it is used constantly, maintaining within an organization an activity that is used only intermittently guarantees incompetence,” said Peter Drucker.

Is it just me or has there been a lot of big words being thrown about lately? 

The classic way of estimating heating load in smaller, envelope-dominated buildings is to assume the rate of heat loss is proportional to the difference between the inside and outside temperature.

IAPMO recently announced CEO Russ Chaney will be retiring at the end of the year. The newly appointed CEO is Dave Viola. Both Russ and Dave are personal friends.

Check out PM Engineer's letters to the editor for October 2020! 

The very fabric of American society is crumbling. No, that’s not a metaphor for the state of civil unrest the country is currently experiencing. 

Several months ago I wrote about personality metrics months back. 

What captures the imagination of an engineer more than the elegant lumbering of a steam locomotive?