Seawater heat pumps can provide high-temperature district heat using cold ocean water. Editorial illustration, not a photograph of Esbjerg.
Esbjerg, Denmark, is using large electric heat pumps to extract heat from the North Sea and supply its district-heating network. During a two-hour winter test, seawater entered the system at 3.3°C and left at 1.2°C. The two heat pumps consumed 19.9 MW of electricity and supplied 55.2 MW of heat … [continued]
Another great idea from Down Under: Thermal Dawn promises cost effective heating and cooling, mainly by replacing gas boilers in cold climates. CleanTechnica had a chance to interview Nick Zeniou, Founder of Thermal Dawn, recently by phone, fresh after his presentation at Everything Electric. You can hear him explain his … [continued]
Health advocates, environmental groups, heat pump installers, local electeds celebrate decision as. SAN FRANCISCO — The Bay Area Air District voted today to move forward with the strongest clean appliance standards in the nation, putting millions of Bay Area homes on a path to switch from gas water heaters to zero-emission alternatives. … [continued]
Energy Audits Support Emissions Reductions and Energy Efficiency Upgrades Eugene, Oregon — In a 6-1 vote on Wednesday, October 28th, the Eugene City Council adopted the Residential Energy Performance Disclosure Requirement ordinance, a policy commonly referred to as a Home Energy Score requirement. The vote places Eugene among four other … [continued]
Reliable, affordable electricity is essential for many of the products and services that underpin the modern economy. But the sources of that electricity—and their respective merits and risks—are increasingly the subject of debate and polarization. A flood of narratives and counternarratives is rising in the media and public conversation about … [continued]
This Heat Pump Water Heater Week, Jetson dropped some big news. They are bringing a heat pump water heater (HPWH) to market using the same model of vertical integration that they use with heat pump installations, where they procure all equipment as well as install and monitor the HPWHs, all … [continued]
Central heat pump water heaters (HPWH) are on the up and up by any way you measure it. These HPWHs heat water for bigger buildings such as apartment complexes, hotels, and grocery stores. More manufacturers are getting into the market and producing a variety of products. More innovations are helping … [continued]
The electric fireplace at the center of our living room creates a lovely ambiance. The ductless heat pump (upper left) efficiently provides the heat to keep us warm.
T&E’s Kädi Ristkok explains why postponing the ETS2 is a bad idea As EU leaders meet to discuss competitiveness and soaring energy bills, Italy, Poland and Czechia are pushing to postpone Europe’s new carbon market for road transport and heating fuels (ETS2). Their concern about rising costs is legitimate. But … [continued]
Every year, the number of manufacturers making residential heat pump water heaters (HPWH) for the American market continues to grow. A decade ago, there were just a handful of HPWH manufacturers. In 2026, with Lennox and Reservoir bringing HPWHs to market, the total number has reached 17. Two more are … [continued]
“Swift,” the supercomputer purchased by the U.S. Department of Energy’s Advanced Manufacturing Office, is located in the National Renewable Energy Laboratory’s (NREL) HPC Data Center in the Energy Systems Integration Facility (ESIF). (Photo by Werner Slocum / NREL)
Sierra Club Applauds Governor Abigail Spanberger’s Data Center Executive Order and Policy Framework Release Richmond, VA — Today, Governor Abigail Spanberger announced protections regarding data center development in Virginia via executive order and a broad policy framework. The executive order curbs some consequential impacts of data center growth related to … [continued]
