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New Hampshire home turns to hydronics

A home in New Hampshire offers a glimpse of how the landscape might be changing within the next decade.




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Viega releases Hydronic Mixing Block mixing device and boiler control

Viega’s Hydronic Mixing Block is a mixing device and boiler control with a built-in circulator and microcontroller.




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Uponor announces multizone wireless control system for radiant heating and cooling

Smatrix Pulse is the industry’s first multizone wireless control system for both radiant heating as well as forced-air heating and cooling.




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2025 ASHRAE Winter Conference Technical Program to feature AI, IoT, Climate Technology and more

The event’s more than 100 technical sessions will showcase on eight conference tracks will offer emerging approaches to building design, construction and operation.




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Redwood Services named a best place to work

Redwood Services won the Memphis Business Journal’s Best Places to Work award in the “Small Business” category.




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Plumbing industry rallies to help following recent hurricane disasters

The East Coast has suffered severe damage from Hurricanes Helene and Milton, leading to extensive destruction, fatalities, and power outages. These hurricanes highlight the impact of climate change on storm severity, driven by warmer Atlantic waters. This situation underscores the urgent need for the PHCP-PVF industry to adapt to the challenges of increasingly intense storms.






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GF Building Flow Solutions reaches carbon neutrality in Minnesota and Germany

Key actions at the plant in Hutchinson included focusing on electricity consumption, energy efficiency and the use of green electricity since 2021. These measures have reduced the site’s emissions by about 94% as compared to the baseline year 2019. 




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PHCC’s CONNECT delivers a successful conference experience in Birmingham

Attendees gathered to learn and engage with the industry at PHCC CONNECT 2024.




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PHCC names Plumbing, HVAC Apprentices of the Year

Andrew Wilson and Alex Phrommany were honored as the 2024 Plumbing Apprentice of the Year and HVAC Apprentice of the Year, respectively. 




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PHCC’s Plumbing Contractor of the Year Awarded to Vincent “Trey” Giglio III of Louisiana

Giglio is a dedicated member of PHCC of Louisiana’s leadership, currently serving as president-elect after more than a decade of work on the chapter’s Board of Directors




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IACET names Interplay Learning’s AI-powered mentor for skilled trades a Top Tech Innovation of 2024

Included in Interplay’s career development platform, SAM provides technicians with immediate guidance to help them gain skills faster and learn more efficiently in a more engaging manner. S




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Arizona family receives new water well and pump courtesy of HometownH2O collaboration

Xylem, in conjunction with its Goulds Water Technology brand, is engaged in regular water well initiatives to provide secure water access to rural areas, striving to increase public awareness of the challenges surrounding lack of water access.




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High 5 Plumbing, Heating, Cooling & Electric honored as one of Denver’s fast-growing businesses

This year, High 5 pLUMBING ranked No. 7 in the small business category.




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Thomas & Galbraith Heating, Cooling & Plumbing expands plumbing services throughout Dayton area

Initially, Thomas & Galbraith Heating, Cooling & Plumbing was only offering plumbing services to homes as far north as Springboro from their Cincinnati office, but now they are hiring Dayton-based plumbers to serve the entire Miami Valley for water heater service, plumbing repairs, water softeners and water quality service, and more from their Dayton location. Initially, Thomas & Galbraith Heating, Cooling & Plumbing was only offering plumbing services to homes as far north as Springboro from their Cincinnati office, but now they are hiring Dayton-based plumbers to serve the entire Miami Valley for water heater service, plumbing repairs, water softeners and water quality service, and more from their Dayton location. 




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ICC-ES strengthens organizational structure to unify leadership of Testing and Certification Services

These changes will unify the Conformity Assessment Group, merging testing and certification services under one roof to provide consistent, gold standard- level customer service across all departments and all office locations.




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A. O. Smith acquires Pureit

Pureit is a leading water purification business operating in India, Bangladesh, Sri Lanka, Vietnam and Mexico, among other markets, with a diversified product offering across devices, filters and spares.




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Caleffi to host Carlson-Holohan Industry Award of Excellence presentation at 2025 AHR Expo

The award is presented every two years to a nominee with attributes including technical mastery and a passion for hydronic technologies, demonstrated leadership as an educator and mentor, and an aptitude for cultivating fundraising opportunities for industry causes.




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Watts, Bradley co-sponsor Harry Warren networking and educational event for engineers in Orlando

The event also offered ASPE-accredited Continuing Education Units (CEUs), enhancing participants' knowledge and professional development.




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Neoperl's Belinda Wise elected president of Plumbing Manufacturers International’s 2025 Board of Directors

 The 71st Annual Meeting of the Membership will be held as part of the PMI25 Manufacturing Success Conference from Nov. 3-6, 2025, at the Fairmont Hotel in Chicago. 




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Fluidmaster acquires Australia-based Haron International

On Nov. 7, Fluidmaster acquired the assets of Haron International Pty Ltd based in Melbourne, Victoria, Australia.




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RectorSeal acquires PF WaterWorks

n addition to supporting established customer partnerships in retail channels, RectorSeal will add the PF WaterWorks product line to its plumbing wholesale channel, building on its brand-preferred retail presence. 




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Why is the relief valve leaking?

Not maintaining this valve could destroy the heating system.




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Ray Wohlfarth: Farewell, Bill

Saying goodbye to an industry legend.




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Ray Wohlfarth: 6 lessons learned about boiler water treatment

My technical boiler books all use the “lessons learned” theme, and the following are the lessons I have learned about boiler water treatment.




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Ray Wohlfarth: Tips for high-efficiency boiler replacement

It was such a simple project; replace the old cast iron boiler with a new condensing boiler. You knocked it out in a few days. 




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Ray Wohlfarth: Installing a trouble-free condensing boiler

On the older hydronic systems, replacing the existing boiler with a new one was pretty straightforward. The installer connected the new boiler to the existing flue, piping and electric. The newer high-efficiency boilers are much different and require some additional planning.





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Ray Wohlfarth: Why boilers are still a great heating source

"According to the ASHRAE HVAC Applications Handbook, the estimated life of an air-to-air heat pump or a rooftop unit is 15 years while a boiler life expectancy is between 24-35 years, depending on the boiler type. So, you will install two heat pumps or rooftop units for every boiler. Where do you think those old units will end up?" I ask the class.




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REHAU: Manifold Connectors

REHAU’s proprietary compression-sleeve fitting technology expands with EVERLOC+ R-20 manifold connectors for hydronic applications. R-20 connectors support leak-free reliability in a one-piece assembly.




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Caleffi North America introduces new vacuum relief valve

Introducing Caleffi's New Vacu-Stop™ Vacuum Relief Valve (VRV). Available in ½” and ¾” MNPT, the Vacu-Stop is suitable for use in water and low-pressure steam services.




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REHAU adds CPVC and copper press adapters to EVERLOC+ fitting system

REHAU announces the addition of CPVC and copper press adapters to their proprietary EVERLOC+ compression-sleeve fitting system.




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Wheatland Tube releases new black steel pipe coating

Wheatland Tube's new black steel pipe coating, Ultra Z-Coat, provides enhanced protection to shield against corrosion and rough handling during transit and installation.




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Navien announces NFB-C commercial fire-tube boiler

The NFB-C is available in two sizes: NFB-301C (301 MBH) and NFB-399C (399 MBH).




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Nortiz announces residential NRCB combination boiler

The Noritz NRCB residential combination boiler allows simultaneous hot water and space heating.




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The PR Week: 8.8.2024 - Ben Finzel, RenewPR and The Change Agencies

Finzel digs into his own experience at agencies of all kinds and as a political aide to discuss the biggest news stories of the past week.




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The PR Week: 8.15.2024 - Jano Cabrera, General Mills

General Mills’ chief communications officer talks about what he’s most looking forward to as chair of the next PRWeek U.S. Awards.




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On the ground at AI Deciphered

PRWeek sat down with panelists at its inaugural conference in New York City on Thursday to discuss the day’s events and the role AI is playing at their companies.




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The PR Week, 11.7.2024: Tara Reid, Havas Formula

Reid talks about her agency’s work as well as the 2024 presidential election.




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John Siegenthaler: Heat recovery helper

As building codes and programs such as Energy Star and Passive House require higher degrees of air sealing in new construction, the use of heat recovery ventilation (HRV) is increasing.




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John Siegenthaler: How 'radiant' are your radiators?

I’ve written it before and I’ll write it again — panel radiators are one of my favorite hydronic heat emitters. I base this sentiment on several benefits. Here are a few to consider…




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John Siegenthaler: Air-to-water heat pumps offer more than ductless

Government planners, taking their queues from politicians and advocacy organizations, have steered the future of energy supply away from fossil fuels and toward renewably-sourced electricity. It’s happening on every level from the feds right down to local city councils.




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John Siegenthaler: Relays and switches — part one

The basics of relays and switches - part one.




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Relays and switches — part two

Last month, we covered the basics of classifying switches and relays based on poles and throws. Once you learn these, it’s easy to apply switches and relays to create “hard-wired” control logic - part two.




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There are still viable applications for solar thermal technology

Although the market for solar thermal systems is a tiny fraction of what it once was, I still believe there are viable applications that could help in decarbonizing thermal energy systems.




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Creating a complete system to provide space heating, cooling, DHW and fresh air ventilation

The overall objective was to create a complete HVAC system, rather than just a heating + cooling system. The system would provide space heating, cooling, domestic hot water, and fresh air ventilation.




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A simple, repeatable and scalable approach to hydronic distribution

One of the best things about hydronic heating is there is virtually no limit to how piping systems can be customized. One of the worst things about hydronic heating is that there is virtually no limit to how piping systems can be customized.




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Combining a wood-fired boiler with a hydronic distribution system

I’ve written many PM columns discussing how air-to-water and geothermal water-to-water heat pumps can be combined with hydronic delivery systems to deliver efficiency AND superior comfort. This combination is a great solution for many consumers.




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Follow established piping layouts to prevent reverse thermosiphoning

Flow direction is crucial in hydronic systems. Most designs have a fixed flow direction, but there are situations where reversals can occur. It's important to address these proactively to ensure smooth operations.




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How to create your own flush cart for hydronic heating systems

In 1986, I installed a 1.5-ton geothermal heat pump in my home using two 500-foot horizontal HDPE earth loops. After digging a trench, I connected the loops to the pump and opted for a 2 HP swimming pool pump to fill and flush the system, as a garden hose couldn't provide the needed flow rate.






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5 ways to help your customers realize their dream shower

The consumer mindset around bathing is evolving to view showering as far more than a simple rinse to get clean, but rather as a time to relax, unwind and wash away the day-to-day stresses of life. In fact, consumers are making purchases to support this shift. According to a recent survey commissioned by GROHE, more than 65% of respondents are enhancing their time in the shower with various add-ons, such as soothing aromas, music and gentle rain shower products to elevate their “me time.”




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Plumbing industry reflects on legacy of Herb Kohler

Many pieces of news go viral within the plumbing industry. However, every now and then, something happens that reaches far outside of our industry bubble. This was certainly the case as the tributes remembering legendary businessman Herb Kohler circulated throughout national news outlets and social media everywhere.