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Home » Topics » Plumbing & Mechanical Engineer

Plumbing & Mechanical Engineer
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Lochinvar Hellcat Boiler

Boiler Upgrade Helps Tacoma Art Museum Secure Grant, Cut Costs

Robert Wiseman Brandon McCann
September 2, 2026

Tasked with protecting valuable artwork while controlling operating costs, the Tacoma Art Museum upgraded its heating system with Lochinvar Crest with Hellcat boilers. The retrofit has delivered energy savings of more than 10% while helping the nonprofit secure grant funding for the project.



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ClearLOC pipe fittings
Sponsored By
Legend

How Plumbing Professionals Are Reducing Installation Time Through Smarter Connection Design

September 1, 2026

ClearLOC improves upon a familiar connection method by making it easier to confirm a proper connection during installation.


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Faucet Components

Beyond Lead-Free: New Priorities in Faucet Component Design

Alicia Garrison Dan Knapp
September 1, 2026

The lead-free transition is entering its next phase, and engineered polymers are helping plumbing manufacturers and contractors balance long-term performance, manufacturing efficiency and sustainability in demanding drinking water applications.


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Jeannie Cisneros.

Mbroh Names Jeannie Cisneros Executive Vice President, Opens San Antonio Office

Jeannie brings more than 27 years of diverse management, operations and marketing experience in the engineering and construction industry
Plumbing & Mechanical Editorial Staff
August 30, 2026

Timing for expansion in the San Antonio-Austin corridor coincides with the company’s 20th anniversary and increased focus on regional growth as a highly specialized small- and minority-owned business enterprise.


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Rinnai Pro Tech Loyalty Program

Rinnai Launches Loyalty Program for Plumbing & HVAC Installers

Plumbing & Mechanical Editorial Staff
August 28, 2026

Rinnai America Corporation has announced the launch of PRO Tech, a loyalty program that recognizes individual plumbers and HVAC contractors who install and register Rinnai products.


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Aleksandar Milenkov.

Aleksandar Milenkov Promoted to President of KAI Engineering

As President of Engineering, Milenkov will provide executive leadership for KAI’s engineering practice, setting the strategic vision and championing innovation, technical excellence, and client success across all engineering disciplines.
Plumbing & Mechanical Editorial Staff
August 26, 2026

Milenkov is a leader in mechanical engineering with more than 22 years of focused experience in HVAC, steam and chilled water systems, utility master planning, facility energy auditing and analysis, energy/stress/flow modeling, and construction administration.


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Emergency Plumber Near Me EAG Oped

The Click Goes to the Contractor They’ve Heard Of

Jeff Randolph
August 24, 2026

A familiar name can make all the difference when a homeowner needs help fast. That's why building brand recognition before the emergency can give plumbing and mechanical contractors an edge when customers are ready to call.


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A view of a Manhattan apartment building.

Case Study: Veritus Heat Pump Water Heater in New York Retrofit

A high-rise residential building in Battery Park, Manhattan replaces an aging gas-fired DHW system with a high-efficiency air source heat pump — achieving Local Law 97 compliance and significant energy savings.
Plumbing & Mechanical Editorial Staff
August 17, 2026

The owner of a high-rise multi-family residential building in Battery Park, Manhattan faced a pressing infrastructure decision: replace an aging, gas-fired domestic hot water (DHW) system that could no longer deliver reliable, efficient service to residents.


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And So it Flows: Understanding Backflow Prevention with Mike Gaulin
And So It Flows Podcast

Understanding Backflow Prevention

Breaking down the basics, codes, and technology
Hannah Belloli-Oster
Hannah Belloli-Oster
August 17, 2026
From common misconceptions to evolving technology, this episode explores what contractors need to know about backflow prevention, including inspections, repairs, replacements, codes, and selecting the right solutions.
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lightning strike

Setting Up a Failproof System with an Air-to-Water Heat Pump and Boiler

Many air-to-water heat pumps now include hydronic-side components and system-level controls, but installers still need a backup plan when those controls go down.
John Siegenthaler 200x200 author headshot on a white background.
John Siegenthaler, P.E.
August 12, 2026

Many air-to-water heat pumps are combined with boilers. In retrofit projects, it’s likely an existing boiler; in new projects, it’s likely a mod/con boiler. The boiler can provide supplemental heat during very cold weather. It can also serve as a backup heat source should the heat pump become inoperable.


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  • ClearLOC pipe fittings
    Sponsored byLegend

    How Plumbing Professionals Are Reducing Installation Time Through Smarter Connection Design

  • HyperPure® PE-RT tubing
    Sponsored byLegend

    Why Sustainable Innovation Will Shape the Future of Plastic Pipe

  • HyperPure® PE-RT tubing
    Sponsored byLegend

    More Than One Right Answer: Rethinking PE-RT in Modern Plumbing Systems

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