Green

The WORKSKIN Light Weight Performance Shirts help users stay cool and comfortable in warm conditions.

Available in both long and short sleeve, the shirts utilize...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...

by

﷯﷯Much like when refrigerants with CFCs began to be phased out, combustion heating is on the same track. The Paris Agreement (COP21) (bit.do/LinkCOP21﷯) is all...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...

by

﷯﷯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...

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...

by

﷯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...

Home Innovation Research Labs, in its capacity as an ANSI-approved standard developer, has announced preparations for the development of the 2018 version of the National...more...

Vermont’s capital city has a brand-new biomass plant burning wood chips and providing steam heat to the state capitol and other government and private buildings...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...

by

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...

by

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...

Healthy Buildings is now officially the first licensed BREEAM USA In-Use Assessor Organization in the United States. For over 25 years, BREEAM has been a...more...

The industry leader in water efficiency, Zurn Industries, LLC, is advancing its leadership position in lean construction solutions by demonstrating hands-on, time calculated installations with...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...

by

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...

There’s a new green building standard in the U.S. geared toward the country’s 5.8 million existing commercial buildings that are not currently benchmarking sustainability efforts. It’s...more...

This year, the U.S. Environmental Protection Agency's WaterSense program marks a decade of saving water for future generations. More than 1,700 partners have produced and...more...

PMI CEO says water-saving program must be authorized and funded by Congress to create higher awareness.

Three-quarters of 1,000 Google survey respondents said they were...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...

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...

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...

by

﷯Four or five years ago, I was visiting with my good friend and geothermal associate Carl Orio of Water Energy Distributors in New England, as...more...

A new state law made official on Aug. 29 requires retail urban water providers, including metropolitan areas, water districts and water companies, using more than...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...

Bosch Thermotechnology Corp. launches its new Bosch Hydronic Air Handlers offering a more efficient, compact and advanced home heating system. When paired with the Bosch...more...

The Commander Handheld Programming Unit from Chicago Faucets allows users to easily program, monitor and maintain Chicago Faucets HyTronic® and E-Tronic® electronic faucets from the...more...

North America's Building Trades Unions and the American Council for an Energy-Efficient Economy unveiled a collaborative effort that describes the potential to create significant career...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...

by

﷯About this time two years ago, Theron (my youngest of six  children) and I got out of the car at the Disney Wilderness Preserve in...more...

The USGBC has released a new report, “LEED in Motion: Industrial Facilities.” The full report includes examples of how and why industrial facilities can and...more...

California wants all new residential building to attain zero net energy status by 2020.

When PulteGroup set out to build a zero net energy home...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 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...

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

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

Zero energy home designed to educate builders an designers on best practices for efficiency.

Fine Homebuilding magazine announced its first-ever ProHOME, a start-to-finish demonstration home...more...

by

﷯It is wonderful to be in the plumbing and HVAC industries, particularly if you pay attention to trends, and there’s another one coming into the...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...

As part of the Department of Energy’s proposed efficiency standards for commercial waters, the department’s Office of Energy Efficiency and Renewable Energy on May 6,...more...

4,600 grams of water balloons.

Gerber is on a mission to dispel the myth that water-efficient toilets cannot perform well. The brand’s recent demonstration video...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...

Next step is House and Senate reconciliation of S. 2012 and H.R. 8

Plumbing Manufacturers International applauds the U.S. Senate’s passage of the Energy Policy...more...

In an effort to show how sustainable homebuilding solutions can inform new home building, or renovation efforts to existing homes, Taco Comfort Solutions is sponsoring...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...

Uponor North America has a new (old) kid in town. The former director of operations Rusty Callier, who led the PEX manufacturer to award-winning status,...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...

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...

by

By now, most of us have had enough exposure to geothermal heat pump (GHP) technology to know that by “geothermal,” we’re talking about exchanging heat...more...

Achieving an 18 SEER efficiency rating, Bosch’s new Inverter Air-to-Air Ducted Split System Heat Pump can save homeowners hundreds of dollars a year on energy...more...

The efficiency level for residential central ACs under 45,000 Btu/hr would be 14 SEER in the North, and 15 SEER in the Southeast and Southwest;...more...

Modine’s geothermal and water-sourced heat pump systems have earned the trusted AHRI-certified mark, an assurance of the product’s performance. 

Certified products undergo rigorous, independent annual...more...

by

We’ve all been caught on our heels by a client's request to install a product we were not trained to install. If you haven’t already,...more...

Marketwatch reports that some utilities, with the help of regulators, are putting an end to net metering. Under this arrangement, utilities bought homeowners’ excess solar...more...

Over the last 15 years, single-family homes have been built tighter, making them much more energy efficient and comfortable compared to drafty houses of the...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...

This UPC-certified greywater diverter device for residential use helps to save up to 25 percent or more on household water use. Wireless remote-controlled greywater diverter...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 International Association of Plumbing and Mechanical Officials (IAPMO) first developed and published the Uniform Solar Energy Code (USEC) in 1976. The code was developed...more...

I recently took a trip to New Orleans. For a city that is technically 100 miles from the Gulf of Mexico along the Mississippi River,...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...

 

The U.S. Green Building Council (USGBC) announced today that it will commit to scaling green buildings to more than 5 billion square feet (478...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...

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...

Growth in the use of solar energy has surged 183 percent among America’s top companies in the four years since the first Solar Means Business...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...

A white paper highlights the zHome development, a project built in Washington state its developers say is the first net-zero energy townhouse complex in the...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...

The ReNEWW House is a 2,000 square foot, 1920s vintage bungalow-style house, located in West Lafayette, Ind., next to Purdue University’s campus. ReNEWW stands for...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...

by

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...

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...

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...

With HFCs now to be included within the Montreal Protocol, this week’s meeting in Dubai ended with real prospects of a global HFC phase-down agreement...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...

In 2016 the U.S. will learn if renewable energy can survive without government support. The most significant tax credit for solar power will expire at...more...

InsideClimate news, a Pulitzer Prize-winning web-based news organization, reports on a case that could reshape third-party solar. Duke Energy, North Carolina’s largest utility, wants state...more...

Facebook stores billions of cat pictures and other images users share for perpetuity in a drastically different way than even a year or two ago...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...

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...

The Portland Press Herald reports on the progress of an $11 million biomass plant at the University of Maine's Farmington campus. When it’s done,...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 anything...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...

According to a recent national survey, 85 percent of Canadians reported using some form of water-saving technology while at the same time almost half didn't think that their water...more...

Stevens Institute of Technology of Hoboken, N.J., took first place in both highly competitive Architecture and Communications Contests at the U.S. Department of Energy Solar...more...

Businessinsider.com reports that Sao Paulo, Brazil and its 20 million inhabitants is facing its biggest water crisis in more than 80 years.

It is not...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 water programs...more...

On Sept. 17, John Galyen, president, Danfoss North America, addressed the importance of taking a holistic approach to improving the efficiency of the U.S. commercial...more...

A device called FLUID launched on Kickstarter earlier this month. The device clamps around a home’s main water line and promises to help homeowners understand...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,...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...

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...

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...

The International Association of Plumbing and Mechanical Officials has released the electronic version of its 2015 edition of the Uniform Solar Energy and Hydronics Code....more...

Fortune magazine includes a commentary by a self-described “oil guy” with experience on four continents and even a home address in Houston who tells why he’s...more...

London-based startup Bio-bean has just started collecting used coffee grounds from 100 coffee shops in the city.

The company hopes to turn the grounds into biomass...more...

The U.S. solar industry is on course for a new growth record in 2015, according to a new report that finds that solar photovoltaic installations now exceed 20 gigawatts...more...

USA Today recently identified eight states with compiled a list of eight states with the most widespread severe to exceptional drought conditions based on the...more...

The Nest thermostat, recently released its third edition and can save homeowners up to 10 to 12 percent on their heating bills. However, a new,...more...

The Solar Sunflower, a Swiss invention developed by Airlight Energy, Dsolar and IBM Research in Zurich, uses something called “highly efficient concentrated photovoltaic/thermal to generate...more...

The U.S. Department of Energy announced for the first time that up to $2 million in prize money will be awarded to collegiate teams...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...

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...

Tim Cook, the CEO of Apple, has joined forces with Eric Schmidt, the executive chairman of Google, to invest in a Silicon Valley startup which...more...

Now in their fourth year of extreme drought, more Californians are installing systems that recycle domestic wastewater (excluding sewage) for irrigation. Companies that install...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...

Hollywood star Tom Selleck has reached an agreement with a Southern California water district that sued him in court earlier this week for allegedly pulling...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...more...

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

In this column, our focus is on Solar...more...

The Obama administration announced plans on July 7 that would install more solar energy units in federally subsidized housing projects, offer low cost loans to...more...

Shafer Heating and Cooling, Hillsboro, Ohio, earned the Gold Club award during the 19th annual Enertech Global Dealer Meeting.

Enertech President and CEO Steve Smith...more...

According to The Guardian newspaper, Santa Cruz, Calif., is offering to waive fines for excessive consumption if the “parched city’s sprinkler splurgers and prodigal bathers...more...

A new study from a University of Chicago economic think tank casts doubt on the effectiveness of energy efficiency work done through federal Weatherization Assistance...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...

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...

While green construction is not a new concept for the industry, many aspects of the design, troubleshooting, and installation necessary on such projects are fresh;...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...more...

by

When I was a kid growing up in the High Desert area of California, I can well remember wishing that some of the blazing heat...more...

The title of this article was a quote from a tobacco company executive memo in 1969. The quote continues, “…since it is the best means...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...

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

...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...

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...

The 5 Series 504W11 geothermal heat pump features patent-pending OptiHeat vapor injection technology that creates exiting water temperatures up to 150°F. Offers efficiencies up to...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 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...

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

...more...

Let’s say you are sitting on a bench in San Francisco and see a man who is riding a bike. You

...more...

ATLANTA — Green Building Initiative (GBI), a nonprofit organization committed to accelerating the adoption of sustainable building practices and providers of the Green Globes rating system, congratulated ASHRAE on achieving...more...

The Hoover Dam is one of the most important single structures in the U.S. It provided a

...more...
by

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

...more...

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

...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 cooling...more...

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

...more...

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

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...

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...

Two decades have seen the U.S. Green Building Council (USGBC) expand from a small group of well-intentioned, environmentally conscious design and construction professionals to a...more...

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...

Welfare costs the U.S. an enormous amount of money every year. As a nation, we have to decide if we want to continue giving out...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...

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...

by

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 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...

Energy efficiency has been the buzzword in the heating and plumbing industry for the last 40 years. However, increasing energy efficiency isn’t the ultimate goal....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...

Many of the issues relating to energy in the world are far from power plants or oil wells. There is a workforce that is dwindling...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...

Russia is the largest country in the world, and sits on some of the biggest oil and gas reserves left in the world. When the...more...