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Home » Topics » Plumbing & Mechanical Contractor

Plumbing & Mechanical Contractor
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An engineering worker bending over, repairing a pipeline outside. The pipes are orange in color.

Building the future of plumbing science: IAPMO’s expanding water research capacity

Water research will shape the future of plumbing system design.
Christoph Lohr headshot
Christoph Lohr
July 1, 2025

This article highlights how IAPMO is enhancing research through the Water Demand Calculator®, the Innovation and Research Fund, and the integration of ESPRI, signaling a shift towards evidence-based practices that align science with codes.


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Two construction workers discuss renovation plans in a partially finished kitchen, with the female holding a power drill and the male reviewing notes. The room contains new cabinets and scattered materials.
The Blue Collar Coach | Kenny Chapman

The power of recognition in retaining top talent

How showing your employees that you appreciate them is the key to success.
Kenny Chapman headshot with a white round border frame, 200x200
Kenny Chapman
June 20, 2025

In the unpredictable economy of 2025, businesses that value their employees gain a competitive edge. In the skilled trades, companies that retain top talent do more than offer higher pay; they create supportive work environments where team members feel acknowledged.


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Plumber explaining to a client the problem with her kitchen sink before fixing it.
Service Plumbing Pros | Matt Michel

Two dozen ways to be easy to do business with: part II

Twelve tips to make sure that your customers keep coming back.
Matt Michel
Matt Michel
June 19, 2025

Are you easy to do business with? You might think so, but there's always room for improvement. Here are twelve ways to make it easier for others to work with you. How many do you practice?


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She's wearing a white safety helmet and safety glasses.
Guest Editorial | Phil Hotarek

Connecting with gen Z – why they’re the plumbing trade’s next big thing

Why you should be recruiting gen Z, and how to do it.
Phil Hotarek 200x200 headshot
Phil Hotarek
June 18, 2025

Gen Z is reshaping the workforce by opting for trades like plumbing instead of costly four-year degrees. With rising tuition and student debt, they’re seeking immediate job opportunities, which presents a tremendous opportunity for our industry. If you're not tapping into their potential, you're missing out.



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Heat pump of air-water technology for the home.
Hydronics Workshop | John Siegenthaler

Rethinking Heat Transfer: Why 'Natural' Isn't Always Ideal for Air-to-Water Systems

As air-to-water heat pumps replace boilers in North American hydronic systems, designers must rethink traditional approaches to heat transfer, or risk costly and inefficient installations.
John Siegenthaler 200x200 author headshot on a white background.
John Siegenthaler, P.E.
June 16, 2025

Air-to-water heat pumps are gaining popularity in North American hydronic systems, but many practitioners are discovering that they operate differently from boilers.


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Exterior of a home having a State water heater installed.
Project Profile

State Water Heater Ultra Force case study: built to last

Two decades of exceptional hot water supply leads to like-for-like replacement of State commercial water heater.
Patrick Fulford
June 13, 2025

By 2026, the U.S. Department of Energy (DOE) is expected to require all commercial water heaters to use condensing technology. The SUF commercial water heater offers superior performance with advanced features and complies with evolving local and national regulations.


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Buildup inside the iron pumps
Heating Perceptions | Scott Secor

Hidden issues and high bills: troubleshooting radiant heat in a luxury home

A seven-figure renovation leaves a high-end radiant heating system underperforming.
Scott Secor
Scott Secor
June 10, 2025

A plumber recently asked us to inspect a home with issues related to radiant heating. The homeowner, Ronny, runs a company that builds commercial office buildings, and the plumber handles the plumbing work.


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Harry Warren, Inc. directors posing for a group photo in the conference room.

Plumbing & Mechanical 2025 Rep of the Year: Harry Warren, Inc.

A rep agency with small beginnings and a focus on family
Kristen Bayles 200x200 headshot
Kristen R. Bayles
June 5, 2025

Celebrating over 50 years of service, Harry Warren, Inc. has been named Plumbing & Mechanical’s 2025 Rep of the Year. Over the years, this family-run agency has grown from a one-man operation into a leading manufacturers’ rep by staying true to its core values: integrity, service and people-first leadership.



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Plumbing equpment parts and wrench on the white background close up.

Plumbing & Mechanical 2025 Plumbing Tools Survey

June 3, 2025

Plumbing & Mechanical wants to know your most-used and most-wanted tools. Answer the questions on the survey today.


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Latin American plumber fixing a toilet in the bathroom.
Contractor's Corner | Dave Yates

Troubleshooting common airflow plumbing issues

Gone with the flow: Gasping for air!
Dave Yates
Dave Yates
June 2, 2025

Every time we try flushing our toilet, it just swirls around the bowl and ever so slowly goes down. Does it do this on every other flush? No. Well, that ruled out an after-fill tube having slipped off of the overflow tube and, sure enough, once on site with tank lid removed, the ballcock’s after-fill tube was securely inside the overflow tube. 


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