Explore why geothermal energy—thanks to its tiny land footprint, round-the-clock reliability, and seamless integration with solar, wind and urban thermal networks—is emerging as a cornerstone of a sustainable, resilient, high-density clean-energy future.

Learn how 134-year-old E.M. Duggan blends heritage, innovation, cutting-edge prefab, new divisions, tech consulting, and a people-first safety culture to become PHC News’ 2025 Contractor of the Year—and a model for the future of mechanical contracting.

Discover how Stanford University solved persistent water-heater failures in student housing by switching to durable, high-efficiency HTP Phoenix units that deliver reliability, performance and peace of mind for hundreds of residents.

Learn how plumbers can rise above heavy competition by leveraging digital tools, showcasing certifications and values, and building a strong online presence that earns trust, drives leads, and grows a loyal customer base.

Discover how building a unified team, embracing smart change, and switching from time-and-materials to strategic contract pricing can help PHC contractors boost profits, reduce headaches, and finally compete at a Super Bowl level.

Learn why “12 psi” isn’t a one-size-fits-all rule as this deep dive into hydronic heating pressures shows how system height, air control, and proper fill settings can make or break performance, efficiency, and reliability.

Hybrid VRF technology is emerging as a cornerstone of building decarbonization, offering HVAC professionals a high-efficiency, fully electric solution that cuts emissions, reduces operating costs and supports evolving sustainability mandates across campuses and commercial facilities.

J.C. Whitlam Mfg.’s 125-year legacy comes to life in this story of family-driven innovation, American manufacturing, and a fifth-generation commitment to quality that continues to shape the plumbing and waterworks industry.

December marks the end of 2025 with uncertainty over the status of President Donald Trump’s tariffs and a stalemate between Democrats and Republicans (as of this writing) that has shut down the government, overshadowing the PVF sector of the U.S. economy.

Ground-source heat pump systems depend on durable, properly specified plastic piping, and the new PPI MS-7 model specification helps engineers ensure the right materials, standards and installation practices are used for reliable, long-term geothermal performance.