The ultimate impact of California’s drive to replace gas water heaters with electric heat pumps will inevitably vary by state over the next decade. But will home and business owners — and the electric grid — be ready? Shouldn’t regulators — and professionals — pause to consider a more practical “hybrid” solution?
California's push to replace gas-fired water heaters with electric heat pumps marks a significant shift in the construction industry. This electrification trend, while still emerging, is prompting plumbing contractors to navigate the changes brought on by decarbonization, impacting HVAC technicians and the broader market.
As businesses embrace sustainability, commercial heat pump water heaters (HPWHs) stand out as a smart investment. By utilizing ambient heat and optimizing energy use, these systems significantly cut operational costs and carbon emissions.
Advancements in the plumbing industry are driven by U.S. Department of Energy regulations, with new efficiency standards for fractional horsepower pumps set for 2028. Plumbing & Mechanical's Nicole Krawcke discussed these changes and performance improvements with Becky Henderson from Grundfos Pumps.
Edward Little High School in Auburn, Maine, utilizes an efficient radiant floor heating system designed by Harriman Associates, using lower temperature water and primarily geothermal energy for a comfortable, sun-like warmth.
Outdated pipe sizing standards are no longer suitable for modern multi-bathroom homes, especially post-COVID-19. The International Code Council is collaborating globally to update these standards for improved efficiency and health.
Hydronically-heated concrete floor slabs offer comfort but can be slow to warm up. A proposed solution uses a heat pump and variable-speed circulators to provide rapid heating through air handlers, ensuring quick warmth during cool days while maintaining energy efficiency.
Sustainability in commercial plumbing focuses on modern pipe sizing to reduce material use and Legionella risk. Efficient layouts and lower-carbon materials like PEX and recycled PVC can lower greenhouse gas emissions, while improved equipment efficiency and training help reduce operational and embodied carbon emissions.
Selected as one of 33 projects in the U.S., the funding will be matched by Kohler investment to support the Electric Boiler & Microgrid project at its manufacturing site in Casa Grande, Arizona.
Heating contractors attended the event to learn about high-efficiency heating equipment, including the Ambient Air-to-Water Heat Pump, Citadel commercial condensing boiler, Alta self-adaptive boiler, and the Ambient electric boiler.
NASCAR legend Ward Burton installed a Premier AL Smart Hybrid Electric Heat Pump Water Heater in his 1999 home, saving up to $300 monthly on electric bills. Homeowners can save 75% or more on energy costs with this unit.