Electrification of buildings has become a policy imperative of numerous states concerned about climate change. They are implementing policies that aim to de-carbonize electricity production by greater reliance on renewable energy sources.

The Heights is a state-of-the-art, 775 seat, 180,000 square foot public school located in densely-populated Arlington, Virginia.

There are many equations for determining the flow in natural gas pipes and the pressure drops associated with those flows, or vice versa. Our intent is to determine the validity of each equation with respect to flow rates that might be encountered by a plumbing engineer.

Bolstered by continued growth in the economy, overall U.S. pipe, valves and fittings (PVF) spending across 12 industries is expected to increase to $13.6 billion in 2020, up by nearly $400 million from 2019, notes Industrial Info Resource’s PVF Market Assessment.

I’m a solar engineer – not a mechanical one. That’s one reason that I found out the hard way that designing domestic hot water (DHW) production and distribution systems for multifamily buildings is a lot harder than designing a single-family residential system. 

A simple solar domestic water heater can easily be switched into solar-only mode by turning off the conventional (backup) heat source.

My last two columns have, instead, reviewed the critical modern technologies shaping our 2010s and 2020s built environment. It’s time to return to some actual projects.

This is the continuation of a series of columns covering only the code changes that were approved as submitted from 2018 to the 2021 International Plumbing Code (IPC) change hearings.

The project increased the number of student beds at the residence hall from 693 on four floors to 756 on five floors, while preserving a significant amount of the structure's historic Georgian Revival-style exterior.

AHR Expo attendees are invited to visit Xylem Booth #1801 at 11 a.m. and 1 p.m. on Monday for a special announcement in conjunction with Xylem's acclaimed corporate social responsibility program, Watermark.