Lennox( LII), a leader in energyefficient climate solutions, has announced that its commercial cold climate heat pump rooftop unit( RTU) was the first to successfully complete the laboratory validation for commercial unitary equipment in the 15-25 tons category in the U. S. Department of Energy’ s( DOE) Commercial Building HVAC Technology Challenge. Designed to produce innovative HVAC technology, this accomplishment helps provide customers with access to highefficiency heat pumps in cold climates, improving performance and solving long-standing defrost limitations for greater comfort and reliability. According to the DOE, commercial building space conditioning accounts for |
approximately 40 % of commercial energy use in the United States. Led by its Texas Product Development and Research laboratory, Lennox developed a cold climate heat pump RTU that meets and, in many cases, exceeds the stringent performance requirements of the challenge, as validated in an independent lab by the DOE and the National Renewable Energy Laboratory( NREL). This achievement supports a commitment to sustainable innovation and builds on a 130-year legacy of delivering advanced, energy-efficient solutions at Lennox. It also follows Lennox Residential HVAC’ s successful participation in DOE’ s Residential HVAC Challenge, where the company was also the first to complete Phase 1 testing in 2022. |
Drilling of a geothermal doublet has officially started at the site of the Joint Municipal Company for Waste Management( Gemeinsames Unternehmen für Abfallwirtschaft / GfA) in Geiselbullach in the municipality of Olching in Bavaria, Germany. The project by Amperland Thermalwärme GmbH( ATW) envisions a geothermal heating facility that will serve the existing district heating network, which is currently supplied by a waste incineration facility. Two geothermal wells will be drilled from a single pad to a depth of approximately 1725 meters, into an Upper Jurassic aquifer hosting thermal waters are approximately 73 ° C. Drilling is expected to be completed by December 2025. German drilling company Daldrup & |
Söhne Aktiengesellschaft( Daldrup & Söhne) had been awarded the contract for the drilling work. The application for a mining permit for the geothermal heating project was made back in May 2023. Federal funding for the project was confirmed in November 2024, and the approval for the project was granted in June 2025. If drilling is successful, a central heating plant will be built at the site. This will include a heat exchanger, which will serve as the interface between the deep thermal fluids and the circulating fluids of the district heating network. According to the GfA, the drilling site close to the waste incineration plant offers optimal conditions for drilling of the wells, as well as the construction and operations of the heating plant. |
Accelera™ by Cummins, the zeroemissions business segment of Cummins Inc. [ CMI ], has supplied a 35-megawatt( MW) proton exchange membrane( PEM) electrolyzer system, its largest to date, to support hydrogen production at Linde’ s facility in Niagara Falls, New York. Powered by renewable hydroelectric energy, the system will generate |
green hydrogen to help decarbonize industrial operations and accelerate the clean energy transition in the U. S.“ The successful delivery of this 35MW electrolyzer system is a significant milestone for Accelera and for the advancement of clean hydrogen technology in North America,” said Des McMenamin, General Manager – Electrolyzers for |
Accelera.“ This project demonstrates our ability to deliver large-scale, reliable solutions that enable our customers to produce green hydrogen on a commercial scale.” Electrolyzers that leverage renewable energy sources produce green hydrogen, which is vital for accelerating the clean energy transition. Accelera is a |
leader in large-scale hydrogen production using PEM electrolysis and has deployed more than 600 electrolyzer units worldwide, powering some of the most advanced PEM electrolyzer systems operating globally. This includes a 20MW facility in Quebec, Canada, and a 25MW system in Florida, U. S. |