Thermal energy network events in early 2025, including five significant gatherings across various locations, highlight the growing importance of geothermal technology in urban energy systems. 

The 1 Java Street project in NYC’s Brooklyn borough is the largest mixed-use development in New York state to incorporate a ground-source geothermal system for heating and cooling.

In mid-January, news emerged that Geothermal Rising, a U.S.-based organization, acquired the Canadian Geothermal Energy Association.

Fourth-generation plumber John A. Mullen delves into the growing trend of removing fluoride from municipal drinking water and its broader implications.

During extreme seasons, the importance of reliable heating and cooling systems becomes evident. This column focuses on heat pumps, highlighting key factors to consider such as size, efficiency, cost and environmental impact.

Columnist John Mullen explores the transformative impact of augmented and virtual reality on skilled trades education.

My heat pump water heater tour across America took me to a number of stops to those at the vanguard of carbon-cutting ways to heat water.

The Inflation Reduction Act offers significant incentives for geothermal HVAC projects through 2032, including tax credits and direct funding.

Hydrogen fuel can significantly reduce carbon emissions, improving air quality and health; hybrid systems combining hydrogen with other energy sources could enhance grid stability and flexibility.