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Home » Topics » Columns

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Dan Holohan: What’s the right heat exchanger pressure?

Don’t be afraid to admit you don’t know; ask.
Dan Holohan
March 6, 2020

A few years ago, an engineer who works with older New York City buildings started to email me with good questions, mostly about steam heating. 


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John Siegenthaler: Three inputs, one output

Multiple strategies for heating domestic water.
John Siegenthaler 200x200 author headshot on a white background.
John Siegenthaler, P.E.
March 5, 2020

I recently designed a system for my daughter’s new home with a water-to-water geothermal heat pump as its main heat source. 


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Al Levi

Al Levi: Mastering the master project list

Create a process to get your staff on-board with new policies and projects.
7 Power Blog
Al Levi
March 4, 2020

Why is it that your staff isn’t quite as excited as you are when you discuss a new project, a new process, new policy or a habit you want to change?


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Nicole Krawcke

Nicole Krawcke: Text me, maybe?

Contractors should embrace text, online chat technologies to enhance service and create new customers.
Nicole Krawcke head shot 2024
Nicole Krawcke
February 13, 2020

Technology is amazing. I can pay all of my bills via apps on my smartphone, order food and even get great customer service without ever having to speak aloud to another human being. 


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Ray Wholfarth: Boiler room detective

“The game is afoot.” Have fun, detective.
Ray Wohlfarth
February 13, 2020

Sherlock Holmes has always been one of my favorite fictional characters. I envied how he would notice each detail and use every one of his senses to solve the crime. 


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Matt Michel

Matt Michel: 7 reasons why you should grow

Growing is like winning; winning is fun.
Matt Michel
Matt Michel
February 12, 2020

It is no surprise that most plumbing companies are small. What is surprising is the number of plumbing company owners who are content to stay small. I


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Dave Yates

Dave Yates: What’s in your radiant toolbox?

Ensure you do the job right the first time.
Dave Yates
Dave Yates
February 11, 2020

"All I ever do is staple-up."

That was my friend and competitor’s response after he asked me to determine why a recent radiant heating installation was not working satisfactorily because the owners were ticked off. 


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Kenny Chapman: Structuring your business to increase personal freedom

Creating work life balance sometimes takes extra planning and strategizing.
Kenny Chapman headshot with a white round border frame, 200x200
Kenny Chapman
February 10, 2020

Do you value freedom? Do you like to have options and choices regarding how you spend your time? 


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Dan Holohan: The wedgie factor

Discomfort is not normal.
Dan Holohan
February 7, 2020

Comfort is a funny thing. When we have it, we’re usually not aware of it. It’s just there


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John Siegenthaler: Flow x Pressure drop = Energy

Don’t waste it.
John Siegenthaler 200x200 author headshot on a white background.
John Siegenthaler, P.E.
February 6, 2020

Ask a heating pro about the energy used by the systems they design or install.


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