We use cookies to provide you with a better experience. By continuing to browse the site you are agreeing to our use of cookies in accordance with our Cookie Policy.

logo
  • Engineers & Specifiers
  • Contractors & Installers
  • Wholesalers & Distributors

Follow Us

Newsletter Signups
Manage Subscriptions
  • The Wholesaler
  • Plumbing Engineer
  • PHC News
Newsletter Signups
Manage Subscriptions
  • The Wholesaler
  • Plumbing Engineer
  • PHC News
  • PRODUCTS
    • Bath & Kitchen
    • Fire Protection
    • HVAC
    • Hydronics/Radiant
    • Plumbing
    • PVF
    • Tools
  • PROJECTS
    • Commercial
    • Data Centers
    • Fire Protection
    • Green Building
    • MRO/Retrofit
    • Remodeling
    • Residential
  • HOW TO
    • Design
    • Fire Protection
    • Legal Matters
    • Management
  • BUSINESS
    • AI Technology
    • Associations
    • Buying Groups
    • Technology
  • CODES & STANDARDS
    • ANSI
    • ASHRAE
    • ASSE
    • Regulations
    • Green Building
    • IAPMO
    • ICC
    • NFPA
  • RESOURCES
    • RUGGED MIND AND BODY
    • Media Kit
    • Advertise
    • Contact Us
    • Classifieds
    • Digital Editions
    • Testimonials
    • Subscribe
    • Health & Wellness
    • ASPE Convention 2026
    • Legionella eBook
  • DIGITAL EDITIONS
Home » Authors » John Mullen

Articles by John Mullen

iStock-2005188956.jpg
The Future Is Now

New Year, New Fuel: A Hydrogen Story

With every advancement and safety standard, we’re preparing for a future where hydrogen and other water-sourced energy solutions play central roles.
January 6, 2025
John Mullen

Hydrogen fuel can significantly reduce carbon emissions, improving air quality and health; hybrid systems combining hydrogen with other energy sources could enhance grid stability and flexibility.


Read More
PE1224_smart home control.jpg
The Future Is Now

Smart Home Solutions

They’re about creating sustainable and data-driven environments that can adapt to our lives and be helpful and solutions-driven.
November 18, 2024
John Mullen
PE1124_data center server racks.jpg
The Future Is Now

Liquid-Cooled Data: Balancing Innovation and Sustainability

It is the simplest and most elegant solution to a carbon-neutral future.
November 1, 2024
John Mullen

Today’s data storage centers require considerable amounts of additional energy. Air-cooled systems have been the norm for data storage; however, liquid-cooled systems can handle greater internal heat displacement. This makes them ideal for energy-hungry AI tasks and preserving electricity.


Read More
PE1024_modern bidet toilet.jpg
The Future Is Now

Long Live the Bidet

Why won’t Americans adopt this environmentally hygienic habit?
October 24, 2024
John Mullen
Plumbing professional John Mullen discusses the benefits and challenges of adopting bidets in American households for environmental and hygienic reasons, as well as the importance of safety compliance and proper installation.


Read More
PE0924_heat recovery unit.jpg
The Future Is Now

Water, Entropy and the Future of Energy Management

With unparalleled capacity to store and transfer energy, water can be a viable solution to a sustainable and resilient world
September 2, 2024
John Mullen
Thermal energy networks help buildings communicate with each other in warmth and coolness through piping networks. New columnist John Mullen explains how these shared energy networks use “waste” heat from sewage wastewater, collected stormwater or existing fire suppression systems to use elsewhere in buildings. 


Read More
Previous 1 2 Next

Most Popular

  • Hajoca Welcomes ABR Wholesalers to Growing HVAC Platform

  • Watts Locksmith Water Softeners and Filtration Systems

  • PHCC Names Ben Gorham 2026 Plumbing Instructor of the Year

  • LIXIL Shower Toilet Technology Honored With IEEE Milestone

Featured Video

Screenshot 2026 08 11 at 9.31.41 am

Instant Insight: Domestic Pressure Boosting Done Right

Subscribe & Learn More

  • Tw11 2026 cover
    Subscribe
  • Pe11 2026 cover
    Subscribe
  • Phc11 2026 cover
    Subscribe
  • Rugged nov 26 cover
    Learn More

More from PHCP Pros

  • Editorial Team
  • Home
  • Contact Us
  • About
  • Advertise

Follow Us

© 2026 All Rights Reserved

Design, CMS, Hosting & Web Development | ePublishing