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Home » heating

Articles Tagged with ''heating''

Six tankless water heaters that feed the nutraceutical manufacturer’s operations.
Case Study

How to deliver large volumes of hot water quickly and intermittently

California-based nutraceutical manufacturer meets large, spiking hot-water needs with a combination tankless-and-tank system.
John O’Reilly
May 13, 2025

Proper water heater sizing in any application hinges primarily on user consumption within a given period. That much is probably obvious, even to someone who has never sized a water heater. What complicates matters, especially in a large commercial application, is the cadence of that usage.


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John Siegenthaler, Hot Rod Rohr and Dave Yates reunite at the Lochinvar booth at AHR 2025.
Contractor's Corner | Dave Yates

Eye candy from The AHR Expo 2025

Go with the flow
Dave Yates
Dave Yates
May 12, 2025

Eye candy would best describe many of the products on display at the great AHR Exposition recently held in Orlando Florida’s Convention Center.


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Figure 1 is a sketch of the flow problems of the current plumbing system.
The Glitch & The Fix: May 2025

Hydronic heating glitch solved: Why adding a circulator won't fix primary loop flow issue

Cut & cap
John Siegenthaler 200x200 author headshot on a white background.
John Siegenthaler, P.E.
May 8, 2025

When the system was operated, the owner complained of flow problems. The heat emitters in any given zone were only marginally warmed when their associated zone circulator was operating. The owner questioned if another circulator should be installed.


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Overhead view of the exterior of a NextGen Plumbing, Heating and Cooling designed and installed a radiant heating system for a 15,000 square foot mansion in New Jersey.
Case Study

New Jersey contractor installs radiant system in 15K square foot mansion

Thomas Renner
May 7, 2025

As a young and relatively new business owner, Dylan D’Amato had been looking for a signature residential project to establish his company and himself as an industry leader in the competitive New Jersey market. The design, installation and service of a radiant heating system for a 15,000-square-foot mansion will help D’Amato achieve that goal.


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The Centrus the Centrus air-to-water hydronic heat pump.

Lochinvar Centrus air to water hydronic heat pump

Lochinvar debuts air-to-water heat pump designed for year-round residential and light commercial use.
May 5, 2025

The new Centrus unit provides heating, cooling, and hot water from a compact system engineered for cold-weather performance and compatibility with standard North American components.


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Underfloor heating installation with drain sewer hole in bathroom close up on water floor heating.
Hydronics Workshop | John Siegenthaler

Using hydronics to leverage time-of-use electrical rates

Buying low
John Siegenthaler 200x200 author headshot on a white background.
John Siegenthaler, P.E.
May 2, 2025

As electrification reshapes the HVAC market, hydronic-based heating and cooling systems stand ready to offer many design and performance benefits. One of them is the potential for thermal storage. After all, water is one of the best materials on earth for storing sensible heat.


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A Rheem Renaissance commercial heating and cooling model.

Rheem Renaissance line extension

The Atlanta-based company aims to increase efficiency and decrease time and costs with this expansion.
April 18, 2025

Rheem's newest addition to the Renaissance line of 3-5 ton two-stage rooftop HVAC units offer efficiency, easy installation and improved serviceability for commercial applications.


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Plumber working under a kitchen sink.
Heating Perceptions | Scott Secor

Weekend house calls: A high-demand heating season

Scott Secor
Scott Secor
April 11, 2025

This has been busier than normal heating season. I suppose this winter was colder than most in the last decade. For the first time in years, we had to make numerous repairs to frozen pipes. There were many late nights and weekends that required me or my men to work extra hours. I’m sure we were not alone.


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HydroZone

Hydrolevel Single Zone Switching Relay

Heating system control technology serves to simplify installation and streamline maintenance processes.
April 1, 2025

Hydrolevel introduces the HydroZone to enhance system efficiency.


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A. O. Smith University

A. O. Smith University offers skills training for water heating technologies

First series of classes focuses on four main products.
March 20, 2025

Weekly virtual courses educate customers on sizing, service and installation techniques for A. O. Smith water heating technologies.


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