From rainwater harvesting to geothermal systems and smart leak detection, John A. Mullen explores how cutting-edge plumbing strategies are reshaping sustainable design in 2025 to meet the challenges of climate change, efficiency, and public health.

Austin’s tallest building, the 74-story Waterline, uses PEX and CPVC piping to boost energy efficiency, cut installation costs by 20%, and meet LEED Gold goals—earning Project of the Year honors.

What does it take to build the world’s first stadium for a professional women’s soccer team? At CPKC Stadium, sustainable plumbing, smart drainage, and innovative design come together to redefine game day — and green building — in Kansas City.

Apartment construction soared in 2023 in Denver. More than 12,500 new units opened last year, according to a report, which was good news for renters. The new rental units helped absorb the demand for housing, and after years of skyrocketing rents, the price of an apartment stabilized in 2024.

When construction began on 499 Summit Ave., a new high-rise residential development in Jersey City, the design team at Barone Engineering already had a trusted HVAC partner in mind. 

Rheem sponsors home build as part of 100th anniversary celebrations. 

The project involved a complete overhaul of the school’s previously deteriorating sanitation infrastructure, which included poor hygiene conditions and broken toilets. 

From stadiums to civic offices, cutting-edge rainwater reuse systems are transforming green plumbing from theory to reality—saving water, slashing costs, and reshaping the industry’s role in sustainability.

Contractor Warren Systems worked with a team of pros to provide retrofit at a much lower upfront cost than a conventional VRF installation.