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Home » hydronics zone

Articles Tagged with ''hydronics zone ''

Dan Holohan

The Problem with Standardizing

One size does not fit all
January 16, 2017
I have to say, I’m as much for economizing as the next guy, especially when it’s our tax dollars at work.
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Hydronics Contractor

Alaskan Hydronics Contractor Spans Generations

Family-oriented hydronics contractor strives to keep America’s ‘Last Frontier’ warm
Dan Vastyan
January 9, 2017
With long-standing employees, heating systems that work, and service that’s second-to-none, it’s no surprise that The Plumbing and Heating Co. has an extensive list of customers who’ve been loyal for decades.
Read More
Figure 1

The Origin of Hydraulic Separation

John Siegenthaler, PE
December 12, 2016

The constant variation in loads means water temperatures along the primary circuit could vary over a significant range. How do you properly size a heat emitter if you don’t know what the supply water temperature might be, depending on what other loads are active?


Read More
ESTABLISHING A BASELINE:

Hydronics Zone: A Look Inside One Hydronic/HVAC Pro’s Tool Bag — Part 1

Tools enable technicians to get the job done
Anthony Tosco
November 21, 2016

From cellphones to pipe wrenches, software to hand-held diagnostic devices, and everything in between – our tools are our “force multipliers.” They enable us to do things that no man, woman, or team of pros could do just a generation ago.

 


Read More
THE ARSENAL:

The Arsenal of New York City

District heating, steam radiators, and getting the air out
Dan Holohan
October 17, 2016

The Arsenal is one of only two parks department buildings that take heat from the district steam system run by Consolidated Edison. The problem was it was taking two hours for steam to reach the radiators once it had passed through the PRV station, which had people very upset.


Read More
Jim Godbout

Hydronics Zone: The Doctor of Hydronics Is In

Low-mass systems may occasionally struggle with behavioral problems
Jim Godbout
September 5, 2016

In my humble opinion, large volume, low curve promotes high standby efficiency and offers a sustainable future for your heating system. Sustainable systems promote long-term relationships with your customers along with great economics, too. That makes my business sustainable.


Read More
Figure 1

Hydronics Zone: Radiant Provides Year-Round Comfort

Radiant cooling opportunities await but they must be done right
John Siegenthaler, PE
August 15, 2016

The term radiant heating makes most people think about warm floors. Although it’s true there are many excellent applications for radiant floor heating, it’s not the only type of radiant panel that can deliver excellent comfort. 


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Before drawing off the boiler’s old water, pour a pint or so of oil on the surface of the water in the expansion tank, which is always to be found at the highest point in the system.

Summer, Hot Water, and Steam

The effects of fresh water and near-boiling water on iron pipe
Dan Holohan
July 11, 2016

I was thinking about how we’ve grown so used to central heating and, with the exception of an occasional cleaning, pretty much ignore our boilers and heating systems when the weather gets hot and sticky. I wondered if it had always been this way...


Read More
Fernox’s TF1 Total Filter uses a magnet to attract metal fragments and keep them from circulating within hydronics systems.

Eliminate Corrosive Water in Your Boiler

Anthony Tosco
June 20, 2016

And to think, you almost unleashed them on your gorgeous, newly installed hydronic system. Talk about creating your own risk of callbacks. 


Read More
FIGURE 1: An electrical schematic for the cooling mode of the system.

Dual-fuel Combisystem: The Benefits of Geothermal

Using hydronics to harmonize renewable and conventional heat sources
John Siegenthaler, PE
May 30, 2016

This system demonstrates how modern hydronics technology can be used to harmonize the operation of two high-efficiency heat sources — one renewable and the other conventional.


Read More
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