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John Siegenthaler: Expansion etiquette

Expansion tanks perform a simple but vital function in all closed-loop hydronic systems.
John Siegenthaler 200x200 author headshot on a white background.
John Siegenthaler, P.E.
October 4, 2019

When water is heated, the space required for each molecule increases. Any attempt to prevent this expansion will be met by tremendous forces.


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Peterman Heating, Cooling & Plumbing
Residential Contractor of the Year

2019 Residential Contractor of the Year: Peterman Heating, Cooling & Plumbing

Residential contractor focuses on employee growth and customer satisfaction.
Nicole Krawcke head shot 2024
Nicole Krawcke
October 2, 2019

When Pete Peterman decided to start his own heating and cooling contracting business in 1986, he knew he would have to do one thing above all, and that was go above and beyond to ensure his customers were satisfied.


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A Water-Efficiency Standard Ahead of Its Time

A Water-Efficiency Standard Ahead of Its Time

October 2, 2019

The 2017 Water Efficiency and Sanitation Standard (WE•Stand) was the culmination of a 10-year effort to develop codified water-efficiency provisions that would result in a 20% reduction in water use from the minimum code requirements contained in the Uniform Plumbing Code (UPC).


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Weldbend, Boltex win false advertising, unfair competition lawsuit

September 30, 2019

The lawsuit accused Ulma of falsely claiming that it normalized its flanges in accordance with American Society of Testing and Materials (ASTM) A105 standards.


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lpg scholarship

LPG prepares for future — Launches endowment fund for post-secondary scholarships

September 30, 2019

Luxury Products Group is demonstrating its commitment to the future of our industry in a very tangible way — by establishing a scholarship fund for students pursuing higher education at colleges, universities or vocational schools.


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Propane logo-min

Online course from PERC highlights community propane systems

September 30, 2019

Free course explores energy, technology solution in residential construction.


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TNFR

The New Flat Rate releases new, enhanced equipment pricing system

September 30, 2019

The new system, which is now available to all members, was created to give users a more efficient way to update their equipment pricing.


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T&S

T&S Brass and Bronze Works announces $10M expansion

September 30, 2019

The project is expected to be fully completed in the fall of 2024. 


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KBIS 2020 logo

KBISNeXT Stage brings fresh programming and dynamic conversations to KBIS 2020

September 30, 2019

More than 15 programs, including four awards events, 50-plus industry-leading voices and personalities, and topics ranging from health and wellness and resilient design to business development make up the 2020 roster.


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Hansgrohe USA President Oliver Bahr with Every Woman Works

Hansgrohe USA grants charitable funds via Masco Million Differences

September 30, 2019

Hansgrohe USA, a business unit of the Masco Corporation, announced three Atlanta-based recipients of the 2019 “Masco Million Differences,” a yearly initiative that supports local causes aimed at breaking down barriers to diversity and inclusion in America’s corporate workforce through education and career resources.


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