This technical primer breaks down defrost control board operation, key components, and practical troubleshooting steps every ...

All eight manufacturers in the U.S. Department of Energy’s Residential Cold Climate Heat Pump Challenge completed rigorous product field testing to demonstrate energy efficiency and improved ...

WASHINGTON — Prototype heat pumps from four manufacturers have passed laboratory testing as part of the Residential Cold Climate Heat Pump Technology Challenge and are ready to join four other ...

US electrical standards specialist UL Solutions said in a recent statement that it will expand its HVAC testing facilities. The facilities are located in Plano, Texas, and Carugate, Italy. The company ...

The city of Cottbus, Germany, now offers a solution for developers and integrators of large heat pumps in need of testing facilities. Fraunhofer IEG has launched Germany's inaugural test bench for ...

NORTHBROOK, Ill.--(BUSINESS WIRE)--UL Solutions, a global leader in applied safety science, today announced a significant expansion of its heating, ventilation and air conditioning (HVAC) testing ...

After years of rapid growth, global heat pump sales are falling. Lower gas prices, reduced subsidies, and installation bottlenecks are leading to lower sales. The technology’s efficiency remains ...

Guests celebrate the opening of the expanded UL Solutions HVAC Laboratory on May 14, 2025, in Carugate, Italy. Pictured above left to right: Luca Maggioni , mayor of Carugate; Mirko Bautz, regional ...