As radiant heating and cooling systems continue to grow in popularity for their superior comfort, energy efficiency, and quiet operation, the importance of proper system installation cannot be overstated. A poorly installed system—no matter how advanced its components—can fall short of expectations, leading to hot and cold spots, energy waste, or costly callbacks.
The Radiant Professionals Alliance (RPA) provides superior comprehensive educational activities and innovative product awareness. This was evident at the 2025 AHR conference held in Orlando Florida. The RPA hosted eight sessions providing education to professionals and students. From the eight sessions, I would like to highlight five that deal with industry patterns, installation practices and innovative design.
This marks Hansen’s third consecutive time on this list, underscoring IAPMO’s impact on policies that strengthen global competitiveness and build community resiliency through standards, research, testing and certification.
The Radiant Professionals Alliance (RPA) is enhancing energy efficiency through innovative hydronic systems under new leadership, focusing on collaboration, education, and strategic partnerships.
The Radiant Professionals Alliance (RPA) enhances the radiant industry through education, advocacy, and member support. It offers training, networking, and updates like a new website and geothermal partnerships. Members can participate in committees and events such as the 2025 AHR Expo.
A typical point-of-use RO system generates anywhere from five to 10 gallons of reject water for every gallon of treated water produced. A point-of-use RO system bearing the WaterSense label will send 2.3 gallons or less down the drain for every gallon of treated water it produces.
The code development cycle for the 2027 National Standard Plumbing Code (NSPC) is open. I encourage your participation in the International Association of Plumbing and Mechanical Officials (IAPMO) and the International Code Council (ICC) activities, as your involvement is vital for public health and safety. For guidance, feel free to call me at Regulosity. I look forward to seeing you at the next code hearing!
Appendix M of the IAPMO Uniform Plumbing Code, or the Water Demand Calculator, was integrated into the California Plumbing Code on July 1. It provides a new method for sizing water pipes in residential buildings. For Villara Corp., a leading plumbing and HVAC contractor in Northern California, it remains business as usual, having used the calculator for over five years to construct over 5,000 single-family homes.