Green

Program has saved consumers more than $33 billion in water and energy bills since its inception in 2006.

IAPMO, The High-Performance Buildings Coalition and 61...more...

Zurn Industries, LLC introduces the latest addition to its EcoVantage High Efficiency Toilet Systems: the 1.1 gpf diaphragm kit for flush valve toilet systems. This...more...

Company wants to be the first brewery in the world to achieve certification to the AWS Standard.

MillerCoors announced that its Milwaukee Brewery will begin...more...

Cathedral drills 2,200 feet for green energy.

St. Patrick’s Cathedral has activated a geothermal plant as part of a larger upgrade for New York City landmark.

The...more...

The International Association of Plumbing and Mechanical Officials, publisher of the Uniform Solar Energy and Hydronics Code, is accepting applications and seeking technical experts to...more...

Green building standard measures and monitors environmental performance in existing buildings.

The first BREEAM USA In-Use certified building is The Oaks Shopping Center in Thousand...more...

There was an era between the use of rudimentary candles and lamps and the petroleum and coal powered economy of today. In the time between...more...

The International Association of Plumbing and Mechanical Officials, publisher of the Water Efficiency and Sanitation Standard (WE•Stand), has posted online the 2017 Public Comment Monograph...more...

More than 80 percent of California is no longer in drought after a series of winter storms, according to the most recent U.S. Drought Monitor...more...

In 2014, Whirlpool Corporation partnered with Purdue University in a three-year retrofit project aimed to achieve net-zero energy by transforming a home built in the...more...

The expansion of life science research and biopharmaceutical facilities has radically increased the demand for lab gases such as nitrogen (N2) and carbon dioxide (CO2)...more...

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﷯﷯As a retired mechanical contractor turned to consulting, I find myself reflecting on sweet memories and great finds. One of these happened﷯ several years ago﷯...more...

﷯Sometimes barriers to the growth of renewable energy are political. ﷯The cost premium, perceived or real, can be another issue. ﷯In some cases, projects stall...more...

In the past year or so, we have visited a number of public schools that have existing solar domestic hot water (SDHW) heaters. The Albuquerque...more...

After a week of major storms that have dumped rain and snow on the state, California is finally starting to emerge from a deep, years-long...more...

The U.S. Environmental Protection Agency announced approximately $4 million in funding to two universities to research water quality issues related to low flow conditions of...more...

The US Green Building Council announced the Top 10 Countries for LEED, a list that highlights countries outside the United States that are making significant...more...

I appreciate a well-designed tool; I attribute that part of my personality to my German ancestors. Regardless of the task, I value a tool that...more...

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Building owners and property management professionals are picking up on a growing list of benefits to buildings with geothermal heating and cooling systems. Properly implemented,...more...

Sloan introduces a new Sloan University training course to its comprehensive educational platform, developed to help industry professionals meet their education needs. The new course,...more...

Surveyors are taking the winter season’s first measurement of the Sierra Nevada snowpack as California starts the New Year marking its sixth year of drought....more...

Pilot program hopes to spur other businesses and government facilities to use the water-saving urinals

The Metropolitan Water Reclamation District of Greater Chicago Board of...more...

Juneau Hydropower Inc. has entered into an agreement with the Alaska Mental Health Trust Authority to buy a two-acre lot of land in downtown Juneau...more...

Energy infrastructure in the U.S. should help ensure our citizens have the safest, best and least expensive access to resources. Ideally, we would best utilize...more...

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I invite the readers of Plumbing Engineer to spend a day at the International Association of Plumbing and Mechanical Officials (IAPMO) with me and get...more...

Bell & Gossett is nation’s only pump brand to meet efficiency requirements 3-plus years early

Xylem Inc. brand Bell & Gossett announces its e-Series line...more...

Sloan has introduced its new continuing education course, “Understanding Regulatory Compliance for Water Efficiency in Commercial Plumbing.”

Sloan’s newest continuing education course hones in on...more...

As someone who has been adjacent to the plumbing industry my entire life, when I hear non-plumbers say things like, “I’m just going to do...more...

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When was the last time you sold something in HVAC strictly on its curb appeal? Having been an HVAC contractor for more than two decades,...more...

Even a fully functional solar hydronic heating system may overheat, and this is most likely to happen when there is plenty of sun, but the...more...

The Canadian Institute of Plumbing and Heating has awarded the Vancouver Aquarium Marine Science Centre with its National Water Wise Award for the Aquarium's longstanding...more...

The International Association of Plumbing and Mechanical Officials (IAPMO) updated its memorandum of understanding (MOU) with The Water Institute at the University of...more...

We have the technology available today to transport clean water to every person on Earth. Would installing modern plumbing in every house in the world...more...

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There are a lot of great ideas for saving energy, but first cost is usually a limiting factor for our customers. One of those has...more...

Improved battery life from three years to six years.

Sloan has redesigned its current G2/ECOS line of battery-operated flushometers. The biggest improvements to the product...more...

In 2012, Johnson Controls Inc. published a white paper I wrote titled “Solar Thermal Energy: The Time Has Come.” In it, I stated, “Solar heating,...more...

This year, leaders, experts and professionals will join together at the Greenbuild International Conference and Expo held at the Los Angeles Convention Center in Los...more...

There isn’t a specific documented day in history that humans first controlled fire. However, my guess is that less than two weeks after that day,...more...

In 2012, Johnson Controls, Inc. published a white paper I wrote titled “Solar Thermal Energy: The Time Has Come”. In it, I stated “Solar heating,...more...

ASA’s Director of Codes & Standards, Hugo Aguilar, is now a member of the California AB 2282 Steering Committee. Some of the tasks of the...more...

Global Connections Day, sponsored by the International Code Council, will convene Oct. 19, in Kansas City, Mo., in conjunction with the 2016 Annual Conference and...more...

One house may have killed three famous men; all three deaths were preventable. These deaths are directly related to the lack of clean indoor plumbing....more...

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As of 2010, there was 81 billion square feet of commercial space in the U.S., about 60 percent of it utilizing cooling towers. That figure...more...

Night sky radiant cooling (NSRC) has been something of a lost art, even though it has been documented and discussed by HVAC and solar heating...more...

​U.S. moves up to No. 8 in international scorecard.

Germany continues to lead the world in energy efficiency, followed by Italy and Japan (tied for...more...

In an election year, politicians usually tell you what you want to hear. They say your hometown will see lots of new jobs. This seems...more...

Flat-plate solar heat collectors are most often mounted facing the sun at some fixed tilt and orientation. The same is true for evacuated tube collectors....more...

Fedrizzi will assume new job on Nov. 4.

The International WELL Building Institute, a public benefit corporation whose mission is to improve human health and...more...

Even with this winter's strong El Niño, the Sierra Nevada snowpack will likely take until 2019 to return to pre-drought levels, according to a new...more...

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Have you stopped to notice all of the heat sources in your client’s’ homes and businesses? Things like desktop and laptop computers, appliances, lights and...more...

In my recent move to the East Coast, I realized how much trash is associated with relocation. By the time we finished unpacking and buying...more...

One of the most popular and practical uses for “extra” solar heat in summer is to heat a swimming pool without the use of fossil...more...

In 10 years, WaterSense has helped U.S. consumers save more than 1.1 trillion gallons of water​

The Plumbing Industry Leadership Coalition  marked the 10th anniversary...more...

Revolutionary technology to protect property and conserve and enhance how we use water.

Uponor Corp. announced the formation of Phyn, a new partnership with...more...

The annual Greenbuild International Conference and Expo is an event that challenges professionals in how they approach the future of green building. Some argue that...more...

In the summer of 1983, the Glen Canyon Dam began to shake. The structure fought to hold back a surging Colorado River. A winter of...more...

Application of 30 specific energy savings measures across all building types and climate zones resulted in cutting energy use by nearly half, according to results...more...

The American National Standards Institute Energy Efficiency Standardization Coordination Collaborative on April 27 announced the publication of a progress report detailing the standardization community’s activity...more...

ASSE International is forming a working group for the development of ASSE Series 21000, Professional Qualifications Standard for Rainwater Catchment System Designers, Installers and Inspectors....more...

The International Association of Plumbing and Mechanical Officials  is seeking volunteers wishing to participate on the development of the 2018 edition of the Uniform Solar...more...

New York City Mayor de Blasio announced April 22 new energy efficiency initiatives that will reduce greenhouse gas emissions from New York City’s more than...more...

The first company to introduce no-water urinals to the U.S. market is celebrating its 25th anniversary on May 1, 2016. Waterless Co. Inc, a family-run...more...

California most likely will not emerge from the drought this year, according to state water officials.

The current water year, which began in October, has...more...

Changes to the purpose and scope that reflect advances in green buildings over the last 10 years are proposed for the high performance building standard...more...

Historic buildings – from those on the local Main Street to world-renowned structures – could be brought from the past into an energy reduced future...more...

The last figures show that Californians narrowly missed meeting the water-savings target set by Gov. Jerry Brown a year ago.

Urban dwellers reduced their consumption...more...

Russ Rose, formerly of Heatway and Watts Radiant, would jokingly call the manufacturer’s representatives he worked with reptiles. Chances are, you have met a great...more...

I have met many people who are in favor of solar energy, but are put-off by the way the collectors look, and some even think...more...

Sloan introduced a turbine-powered option for its BASYS faucet line. The turbine technology generates hydroelectric power that can potentially extend faucet battery life up to...more...

Milwaukee Mayor Tom Barrett announced that the International Water Association is establishing its North American regional office at the Global Water Center in Milwaukee. The...more...

In college, for a brief span, I decided I wanted to major in chemistry.  I have always been intrigued by how and why different elements...more...

In this column, I will presented a wide variety of issues related to the design and installation of solar heating systems in buildings, A.K.A. solar...more...

A Swedish industrial designer, inspired by a project with NASA, created a shower system that reuses the same water in a circular loop, while two...more...

I love reading about energy policy. In my opinion, it is the most impactful issue across the globe. Unfortunately, politicians often describe energy policy with...more...

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We’re always looking for something better to offer our customers. The tankless water heating boom has been good for business the environment. These units are good...more...

In this column over the past few years, I have been describing the standard methods and best practices we use to install solar hydronic combisystems...more...

AERCO International, a pioneer of condensing boilers that recover latent heat from the unit itself to save energy, has expanded its portfolio with The OriGen,...more...

A newly published User’s Manual clarifies the intent and implementation of the building industry’s foremost green building standard by explaining its requirements and providing example...more...

Company progresses with White House CEQ commitment to provide a chiller portfolio compatible with Opteon XP10 (513A), a safe, non-flammable, low-GWP refrigerant

Johnson Controls is...more...

Wind turbines, subcooled glycol/water, geothermal wells, reuse of coil condensation water and a central heat pump water heating system are among the innovative measures used...more...

The American Society of Plumbing Engineers and the American Rainwater Catchment Systems Association are pleased to announce the signing of a Memorandum of Understanding to...more...

Who decides where fresh water is allocated in your state? The Congress and Supreme Court are a last resort in the U.S. to decide who...more...

In the Plumbing and Heating industry, hydronic “hot water” boiler systems can be easily combined with solar thermal hydronic technology. We commonly find that by...more...

Syracuse University, led by principal investigator Professor H. Ezzat Khalifa, along with partners United Technologies Research Center, Air Innovations, Bush Technical LLC and Cornell University,...more...

It’s finally raining in California — just when we’d begun to think that it would never rain again. But the state is deep in water...more...

The U.S. Department of Energy today announced historic new efficiency standards for commercial air conditioners and furnaces. Developed with industry, utilities, and environmental groups, these...more...

The New York City Council voted unanimously to pass a bill to encourage geothermal energy throughout the city.

The long-term impact of carbon emissions will...more...

The U.S. House of Representatives had the chance to stand with the private sector, professional and nonprofit stakeholder organizations to reaffirm its strong commitment to...more...

The International Association of Plumbing and Mechanical Officials (IAPMO®) applauds the U.S. House of Representatives for today’s passage of H.R. 8, the North American Energy...more...

Xylem Inc., announced that it has signed on to the American Business Act on Climate Pledge, joining more than 140 companies from across the U.S....more...

The energy management control systems we use most commonly today depend heavily upon thermistor sensors and other types of sensors connected to a central control...more...

While energy audits are vital to ensuring energy efficient buildings, the audit industry has been largely unstructured. Work products that are labeled energy audits vary...more...

Sloan Valve released a new landing page and brochure dedicated to putting water efficiency to work. Check out the landing page here and the brochure here....more...

From November 18-20, I was in our nation’s capital for the annual Greenbuild Convention and Exposition. As a first-time attendee, it was a pleasure to...more...

Green building continues to double every three years, with strongest acceleration in emerging economies, and clients and tenants worldwide increasingly demanding sustainability – for both...more...

Will solar energy plummet if the investment tax credit fades away? The Wall Street Journal invited two industry experts to discuss the effects on the...more...

Greenbuild International Conference and Expo is one of the largest building conferences and expos in the world that is dedicated to all things green. Greenbuild...more...

We have had a turbulent relationship with energy conservation in the U.S. At different times in our country’s history, one could have been looked down...more...

A Folded Harp is a collector (or pair of collectors) that was designed with the supply and return Header a one end. The parallel risers...more...

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On September 24, the ASHRAE headquarters in Atlanta was the sight of American Ground Water Trust’s (AGWT) Geothermal Workshop. The AGWT facilitates workshops around the...more...

NGWA Press, the publishing arm of the National Ground Water Association, recently released its newest title, “Understanding Hydrogeology and Its Impact on Large-Scale Geothermal Heat...more...

The AP reports on the nation’s largest seawater desalination plant in Carlsbad, Calif., set to open later this year. Supporters consider seawater desalination a partial...more...

The Los Angeles Times reports on a plans at the Water Replenishment District of Southern California for a $95 million water treatment plant that would...more...

The International Code Council and ASHRAE have partnered to publish 2015 WEP: Water Efficiency Provisions of the International Green Construction Code (IgCC). The publication is...more...

In an innovative use of a former rock quarry, the Metropolitan Nashville Airport Authority (MNAA) today broke ground on what will be the largest geothermal...more...

The Green Plumbing Design certificate program, sponsored by the American Society of Plumbing Engineers and the International Association of Plumbing and Mechanical Officials, is for...more...

Bosch Thermotechnology Corp., a division of Robert Bosch North America, is announcing that Oct. 20 is National Geothermal Day in recognition of the geothermal heating-cooling...more...

San Francisco became the first in the country to require new developments (more than 250,000 square feet) to use onsite water reuse systems for...more...

Last month marked the beginning of a new school year. Students at one of the world’s leading universities are now enjoying use of their new...more...

To the untrained eye, all solar collectors may look alike. Most are big and flat, covered by glass, with a metal frame enclosing a dark...more...

Would you like to move to an eco-township? An eco-township is essentially a sustainable planned community where people live and work, much like a college...more...

There’s plenty of good news lately on the California drought. Californians are going above and beyond the state’s water-savings goals.

Citizens decreased total water use...more...

Amid record drought in California and other parts of the American West, the machines that support everything from Instagram photos to Netflix movie marathons require...more...

Andrews, Hammock & Powell, an engineering firm from Macon, Ga. has developed what its says is the nation’s first borehole thermal energy storage system for...more...

The Los Angeles Times reports that the Metropolitan Water District of Southern California is in talks with Los Angeles County sanitation districts about developing a recycled...more...

The green building sector is outpacing overall construction growth in the U.S. and will account for more than 2.3 million American jobs this year, according...more...

The U.S. Department of Energy SunShot Initiative has awarded UL $1.35 million funding to UL to further develop new scientific methods for predicting PV module...more...

In Alaska, a plumbing and heating service call might take a number of days, a long drive, a trip on a ferry boat with a...more...

High LEED, HERS, RESNET and Energy Star building construction scores are cool energy efficiency certifications to strive for if you are a sustainability nerd, or...more...

Sloan unveils its new Sloan® Hybrid Urinals, which combine a world-class, multi-patented urinal cartridge with revolutionary Jetrinse™ Solution Technology that keep urinals and drain lines...more...

If you want a hot tip on low gas prices, I know two places where filling up your car won’t break the bank. Saudi Arabia...more...

Renewable energy technologies like hybrid cars and solar electric power require a higher level of technology and automated intelligence that can be expected to come...more...

Climate change is expected to decrease heating demand and increase cooling demand for buildings and affect outdoor thermal comfort, according to research published in Scientific...more...

A new study published today in Nature Climate Change finds a formula developed in the 1960s and used to design and calibrate most heating and...more...

Despite the urgent need to save water, consumers and businesses in drought-stricken states have been slow to purchase and install water-efficient toilets, showerheads and bathroom...more...

The Tampa Bay Times reports that he Florida Public Service Commission is scheduled to open a hearing on a proposal by Walmart and a group...more...

The REMI Network reports that developers of new energy performance labels for pumps, fans and compressors are seeking building operations data that will be key...more...

Are you too hot at the office? Are you too cold? Or is it just right? Bloomberg Business reports that some tech firms are hoping...more...

The National Association of Water Companies (NAWC) and the American Council for an Energy-Efficient Economy (ACEEE) recently announced that they have released a new report...more...

We all know how bad the drought is in California. I never found out the precise differences among the terms “severe,” “extreme,” and “exceptional” drought, but every single...more...

I am what could be described as a thermostat nerd. I enjoy walking into mechanical rooms where boilers are modulating along with some sort of smart control driving...more...

(Note: To view the figures, read Bristol's column in the July digital edition of Plumbing Engineer!)

In this column, our focus is on Solar Thermal Hydronic Combisystems...more...

Solar Thermal Hydronic Combisystems, like all hydronic systems, owe their very existence to the quiet, humble yet reliable centrifugal circulator pump. These pumps are at...more...

Is a colony on Mars a reasonable option for humans? What would be different about harvesting energy on the red planet compared to Earth? Maybe...more...

California’s current megadrought hit a shocking new low. Last Thursday, the state’s snowpack officially ran out.

At least some measurable snowpack in the Sierra mountains usually lasts...more...

Springfield, Ill. – The Geothermal Exchange Organization (GEO) provided comments to a California Energy Commission (CEC) Workshop Docket, addressing problems with the Title 24 energy code for...more...

In this series of articles over the years, I have been making the case that the key ingredients for solar/hydronic design and installation can be...more...

Manufacturers, regulators and consumers look to NSF International for the development of public health standards and certification programs. Such standards help protect the global environment...more...

Londonderry, N.H. — Bosch Thermotechnology, a division of Robert Bosch North America, launched

...more...

As a manufacturers’ rep, I get to see the best and the worst heating professionals the mountains of Colorado have to offer. I’d like to...more...

Solar tchermal hydronic ombisystems must be designed and installed with the highest standards of quality and reliability. There are many ways to approach solar/hydronic heating...more...

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I recently presented a paper on geothermal HVAC implementation to the New York City Council. Though the benefits of geothermal heating and cooling systems are...more...

Dayton, Ohio – The United States Geological Survey (USGS) has contracted with Woolpert for the first 3D Elevation Program (3DEP) project awarded in conjunction with...more...

The industrial revolution has been fueled by combustion since its very beginning, and combustion produces carbon dioxide gas (CO²). Whether from a power plant, a...more...

I don’t like the Keystone XL pipeline concept for a few different reasons. The project is more of a shoving match between politicians than it...more...

The Hoover Dam is one of the most important single structures in the U.S.  It provided a symbolic transition out of The Great Depression for...more...

Solar heat collectors are commonly installed as "Closed-Loop Pressurized-Glycol" systems in cold climates where freezing weather exists.

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With the New Year 2015 underway, it is customary to look back, take stock and make resolutions

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About 71 percent of the earth is covered in water. The open ocean isn’t currently an environment humans can survive in

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In the movie, "Back to the Future II," during his visit to 2015, Marty purchases a 1950 to 2000 sports almanac,

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Every solar heating project inevitably starts with an estimate of collector size. For example, a commonly used “Rule of Thumb” for the heating conditions in...more...

The railroad system has been a key part of the evolution of the U.S. However, our passenger rail system is lagging behind many other developed...more...

The Caribbean island of Anguilla is only 16 miles long and 3 miles wide, but it boasts some of the most beautiful beaches in the...more...

Many water heater options are available for sustainable buildings. The water heater selected for a specific facility depends on the supply energy demand. The plumbing...more...

Since 1990, water heater manufacturers have been required to comply with Department of Energy (DOE) standards to increase the overall energy efficiency levels of residential...more...

The Caribbean island of Anguilla is only 16 miles long and 3 miles wide, but it boasts some of the most beautiful beaches in the...more...

During the International Green Construction Code (IgCC) meetings in May, I was introduced to a new scale used to evaluate the energy usage in buildings....more...

It seems that there are just as many different ways to install a solar/hydronic combisystem as there are installers. And, this may well be one...more...

Hydronic heating systems must be filled with water to provide the heat transfer fluid (HTF) that makes them work. In the case of the closed-loop...more...

An outcome-based approach to building design and operation can provide a path to energy-efficient buildings. For several years, under the leadership of the National Institute...more...

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Do you remember the first time you found a profit center that really rocked? For me, it was in the early 1990s. Egg Systems was...more...

The Los Alamos Eco Station is the headquarters for the recycling center in Los Alamos, N.M., originally built in 2008. We have featured it in...more...

OKLAHOMA CITY, Okla. – ClimateMaster Inc. announced the groundbreaking of Moore, Okla.-headquartered McAlister Construction Inc.’s Avondale residential development project, which will feature geothermal-based heating and...more...

WASHINGTON — Michigan seal State Rep. Aric Nesbitt (R-66th District) introduced Michigan House Bill No. 5980, which will amend the state’s Renewable Energy Standard— Michigan...more...

Alternative-energy heat sources are not always well-behaved. Unlike conventional hydronic boilers, solar heat collectors will not produce heat on-demand, and will not always produce a...more...

By Marc Edwards, William Rhoads, Amy Pruden, Annie Pearce and Joseph O. Falkinham, III

The goal of creating building water systems that are more sustainable...more...

If gas cost $9 per gallon, would you rearrange your week of driving? If you had to choose between a vacation and turning your thermostat...more...

In this column, over the past few years, I have been describing standard methods and best practices we use to install Solar Hydronic Combisystems in...more...