MrPEX ® Composite Radiant Manifold is made from a durable high performance plastic designed to withstand high temperature and pressure. The manifold exceeds the oxygen diffusion standard DIN 4726 and is completely corrosion resistant. The manifold comes partially assembled as a complete kit. Plastic cap on the return valve can be removed to accommodate a … Continue reading New Product: MrPEX ® Composite Radiant Manifold
Energy-efficient, reliable, space-saving unit features leading-edge condensing technology for residential applications Burr Ridge, Ill. – Weil-McLain® introduces the new AquaBalance™ combination boiler featuring leading-edge hydronic technology for smaller space residential applications. The state-of-the-art unit combines the warmth of high-efficiency space heating and the convenience of on-demand domestic hot water in a reliable, space-saving, easy-to-install package. … Continue reading Weil-McLain Launches Advanced AquaBalance High Efficiency Combi-Boiler
Lochinvar Celebrates 30yrs of Power-Fin® Commercial Product Line The pioneer product of efficient heating experiences a milestone in July 2016 Tennessee-based Lochinvar, LLC is celebrating the 30th anniversary of its industry-changing Power-Fin product line this July. “As a company, we are proud to celebrate the 30th Anniversary of the Power-Fin product line. This product line … Continue reading 30 yrs of Power-Fin by Lochinvar
During the past decade, the number of condensing boilers, furnaces and water heaters being installed has continued to rise every year. All indications are that this trend will continue and in some cases is already mandated by federal authorities. Provisions for dealing with the corrosive condensate from these appliances are covered by the Plumbing Codes … Continue reading Condensate Management for Condensing Appliances
When most people think of radiant heat or hydronic snow melt, the usual applications come to mind: warm floors, heated sidewalks and snow-free driveways. The Big Bear Area Regional Wastewater Agency (BBARWA) in Big Bear, Calif., contacted Viega Radiant Design Services with a project that needed an innovative solution. A byproduct of the water treatment … Continue reading California wastewater agency wins with radiant technology
A leading solar integrator in the San Luis Valley of southern Colorado, Solar Gain Services has been offering solar thermal and photovoltaics to commercial and residential clients since 2007. When co-owner Luke Christy—NABCEP certified as both a solar heating installer and as a PV installation professional—received a call from a homeowner in Sagauche, Colo., to … Continue reading Straw bale home meets energy efficiency challenges
Grundfos provides a full range of gasketed and brazed plate heat exchangers designed for heating, ventilation, air-conditioning and cooling applications. Versatile and reliable gasketed plate heat exchangers feature wavelike corrugation for optimal fluid distribution, leading to the highest heat transfer rates at the lowest pressure drops. A compact and economic option, brazed heat exchangers are … Continue reading Grundfos Heat Exchangers
By John Mesenbrink Recently, Ron Passafaro, president & CEO of ECR International, was re-elected as Chairman of the Hydronics Institute through 2017. Passafaro, who has been a member of the Hydronics Institute his entire career and has served on its Executive Board since 2007, said, “I am honored and humbled to be re-elected by my … Continue reading MH Spotlight: ECR International
Lebanon, Tenn. — Since introducing the CON·X·US remote connectivity platform on the FTXL™ Fire Tube Boiler in 2014, Lochinvar, LLC has received significant industry support for the new capabilities offered by CON·X·US advanced technology. In response to this positive feedback from the field, Lochinvar is extending its exclusive remote connectivity option to the KNIGHT® Boiler … Continue reading Lochinvar expands CON•X•US remote connectivity platform
“We’re putting the band back together.” A go-to phrase from the 1980 classic comedy, The Blues Brothers, that’s what it felt like last month in Hershey, Pa. The niche show dedicated to the oil and energy service professionals had its reunion feel back, and the 61st OESP Annual Trade Show & Convention featured its cast … Continue reading 2015 OESP Show: The Buzz Returns
REHAU was awarded with the Plastics Pipe Institute (PPI) Building & Construction Division’s Project of the Year earlier this month at the organization’s annual meeting. The award recognizes the company’s role in the École Secondaire Jeunes sans Frontiers (Secondary School for Youth Without Frontiers) project in Brampton, Ontario. The school, which has earned the … Continue reading Radiant slab heating and cooling system assists in Ontario high school’s LEED Certification
Homes on Providence’s historic East Side often come with an enviable address, lovely views and antiquated heating systems. Such was the case last year with a 12,000-sq.-ft. home on the East Side with a view overlooking the state capitol. A new buyer decided to completely renovate the home and install a new HVAC system using … Continue reading Historic Providence home gets geothermal makeover
Do you do a heat loss calculation on every replacement job? Should you? Everyone will say you absolutely, positively a must! At the risk of being excommunicated from the Hydronic Brethren, I’ll say not always, and, depending on the type of work you do, maybe never. How can that be possible?
While visiting the ISH Show in Frankfurt, Germany, I was fortunate enough to take some extra time to visit the Aquatherm manufacturing facility in Attendorn, Germany. And, one of the many highlights of the trip included visiting the mechanical room at the Hanse Hotel, which incorporated many of the Aquatherm products on the market today. … Continue reading From the field: Hanse Hotel — Attendorn, Germany
Geothermal heating and cooling is the most efficient, earth-friendly and economical comfort technology in the world. Watch this video to see how it works! Learn more at www.GeothermalDay.com
LEESBURG, Va. —REHAU announces the launch of its new web application, REHAU Radiant Calculator, designed to provide contractors and wholesalers with a quick material estimate for different types of radiant heating installation methods. Intended for use by hydronics experts already familiar with sizing pumps, boilers, controls and manifolds, the calculator estimates the requirements for … Continue reading REHAU launches app for radiant heating material estimates
2015 is a big year for the geothermal industry, and what better time to officially kick off “National Geothermal Day” than April (Earth-Month)? The geothermal HVAC industry has come together in a big way to put together a brand neutral website to which we all can go to learn more about this amazing technology. What’s … Continue reading National Geothermal Day Kickoff; Big Help for Explaining Geothermal
Bosch Thermotechnology’s popular wall-mounted Greenstar gas condensing boiler for residential applications is now available in a floor standing version for all eight regular (heat) and combi (heat+hot water) models: regular heat only models 57, 79, 100, 131, 151 MBH inputs and combi heat+hot water 100, 131, 151 MBH inputs. With its sleek appliance-like design and … Continue reading Bosch Greenstar gas condensing boiler
The first time I’d ever heard of a disruptive technology, it didn’t sound like good news to me. As it turns out, the term refers to a technology that changes the way we do things— usually for good. Perhaps you’ve heard the story of buggy whips? Not much need for them after motor vehicles came … Continue reading Is geothermal HVAC disruptive?
The 2015 ISH Show in Frankfurt, Germany, by all accounts, did not disappoint. The show was spectacular and grandiose in size and attendance. In fact, official numbers released from the show indicate record numbers in attendance — 198,000 visitors, a new exhibitor record and a significant increase in the level of international guests. ISH … Continue reading The show that is del-ISH
Londonderry, N.H. — Bosch Thermotechnology Corp. has announced the winning entries in its 2nd annual Green Living Awards contest. For 2014 Bosch considered entries for commercial and residential projects using Bosch products and awarded prizes for what was judged to be the top three projects in each category. The First Place Award winners are: For Commercial … Continue reading Bosch announces 2014 Green Living Awards winners
Located in Bethesda, Md., the Seymour Krieger House is listed on the National Register of Historic Places, and was designed in the 1950s by internationally renowned modernist architect Marcel Breuer. The house currently is owned by an architect, and he wanted to restore the mechanical system while keeping the architectural integrity of the structure intact. … Continue reading Foley Mechanical — historic home enjoys mechanical upgrade
Taco’s newest Zone Sentry Zone Valve – with an inverted flare – is ideally suited to retrofit and new construction work. The zone valves improve the overall performance of any hydronic system that uses a zone valve. Uniquely, Taco’s zone valve line uses microcircuit-based logic to control a gear-driven electronic actuator that drives a ball … Continue reading Flare Zone Sentry Zone Valves
Irvine, Calif. — Navien, Inc., located in Irvine, California, continues to receive accolades for innovative and industry-leading products by many associations and institutes, with the latest recognition by the AHR Expo for the 2015 Innovation Award in the plumbing sector. Navien’s high-efficiency premium tankless water heating and combi-boiler products have gained a strong following nationwide … Continue reading Navien wins AHR Innovation Award
This is what we know from last month’s AHR Show: according to the numbers, attendance was shattered — more than 61,000 total attendees, including 42,400 visitors, participated in the Expo. What was trending at this year’s show? Themes from the show included continued product efficiency and systems that now have intuitive communications—which were once considered … Continue reading Integrated intelligence, communicative devices trending
The 2015 AHR Show in Chicago broke attendance numbers and the exhibitors were on their “A” game. Not able to go? This video recap brings the show to life. Stay tuned for more AHR videos in our AHR video series.
Mindi Vanden Bosch is the Human Resources manager, and third generation family member with Vermeer, a manufacturer of agricultural and industrial equipment. Vermeer was established 1948 in Pella, Iowa by Mindi’s grandfather, Gary Vermeer. “Our credo is Build the Best, Built to Last,” noted Mindi. Today, they serve customers in more than 60 nations with … Continue reading Geothermal at Yellow Iron Academy — Pella, Iowa
Natale Builders’ newest development — Rivera Greens — in Clarence, N.Y., includes 35 single-family homes built to an energy efficiency standard unparalleled in the Buffalo/Niagara region. In fact, Rivera Greens is the first certified National Association of Home Builders (NAHB) Green Standards Eco-Friendly Development in New York State. All home designs in the development are … Continue reading Rivera Greens, New York State’s first green development, features geothermal
Brian Fenske offers his thoughts to an article we posted: How are you venting? PVC Flues Are They Safe? More often than not the 140 degree Fahrenheit limit for Sch 40 DWV in misinterpreted and misused. The 140 degree limit is in fluid piping situations with pressure. The charts, if I recall, are 20 PSI … Continue reading How are you venting?
There are 3 main types of geothermal exchange wells (drilled). They are:
SCW Heat TransferClosed Loop
Class V Thermal Exchange (Open Loop)
Standing Column Well (SCW)
The new Danfoss OJ ETO2 Snow Melt controller offers an intelligent all-in-one control solution for ice and snow melting suitable for any application which uses hydronic or electric heating, including driveways, parking lots, sidewalks, stairs, ramps, bridges, and more. Optimal operation is ensured through output control, making the system both effective and economical. ETO2 offers … Continue reading Danfoss introduces OJ ETO2 snowmelt controller
The new $60-million George Rogers Clark High School’s (GRCHS) green design is helping record up to 35% less monthly utility costs while providing better indoor air quality and comfort than the 30-percent smaller conventional building it replaced. One reason for the increased efficiency is a hybrid HVAC design featuring a geothermal well field that supplies … Continue reading Kentucky’s Clark County high school uses hybrid HVAC design
Atlanta — Rheem acquired CEM S.A., a public Chilean company that manufactures and distributes tankless, solar and tank water heating products. CEM S.A. sells its products under the Splendid brand name throughout South America. Splendid is the most established water heating brand in Chile, and it is also the country’s market leader for water heating … Continue reading Rheem acquires CEM S.A.