Feature
2026 Boiler Report: No Single Answer
Fossil fuel, electric, hybrid, dual-fuel, heat pump, condensing boiler — the hydronic heating market doesn’t have one future, it has several.
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Our Publications
Please select a publication below.
Plumbing Engineer
May 2026
Volume: 54
Edition: 5
Articles
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Feature
Implementing Onsite Water Reuse Using the Risk-Based Framework, Part 2
A case study on the Fifteen-Fifty high-rise — San Francisco’s first onsite graywater treatment system.
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Feature
A Century of Safeguarding Public Health: IAPMO’s First 100 Years
Plumbing and mechanical codes have evolved from fragmented local rules into technical frameworks that guide the design and construction of modern buildings.
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Feature
Elevated Hot Water Temperatures: Balancing Legionella Control, Scald Prevention and Professional Liability
Plumbing designers are expected to recognize known risks, apply industry standards appropriately and design systems that balance competing hazards in a defensible way.
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Feature
Engineering Water Safety: The New Intersection of Sustainability and Infection Prevention
Sustainable plumbing design in healthcare has evolved, emphasizing intelligent water management to conserve water and minimize infection.
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Columns
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Geothermal HVAC
The ‘Digital Electricity’ Revolution: Why Class 4 Wiring is the Secret Weapon for Geothermal Retrofits
This wiring dramatically reduces labor, material and retrofit costs while enabling efficient, scalable
decarbonization for existing buildings and thermal energy networks.
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Thought Leadership
It Takes a Village
Project success is driven by intentional collaboration, Lean principles
and a shared sense of purpose.
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FPE Corner
Fire Protection and Backflow Prevention: Lack of Supervision and Testing
The fire protection and cross-connection control industries must weigh the pros and cons of water quality and sprinkler system design to determine a resolution that satisfies the common goal of protecting public health, welfare and property.
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Code Classroom
The Common Code Format for the Model Plumbing Codes
Understanding the differences between the IPC and UPC is critical for engineers, contractors and code officials to ensure safe, compliant installations.
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