Radiant/Hydronics

Tankless water heaters

Bosch’s Greentherm C 1050 ES and C 950 ES condensing gas-fired tankless water heaters are both Energy Star-rated models
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Bosch’s Greentherm C 1050 ES and C 950 ES condensing gas-fired tankless water heaters are both Energy Star-rated models


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Are modulating burners worthwhile?

Consider low-high-low burners on your next replacement.
By Ray Wohlfarth
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For years we have designed boiler rooms consisting of two oversized boilers with fully modulating burners. 


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Nature vs. math

Formulas and assumptions don’t always predict what happens.
By John Siegenthaler, P.E.
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 The following formula has been around the North American hydronics industry for a long time:  


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You don’t need a weatherman

You do need knowledge of the quirks of older heating systems.
By Dan Holohan
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 I was chatting with an engineer the other day. She called to ask me some questions about old steam-heating systems, particularly those of the New York City variety.  


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Viega LLC promotes Robert Boots to chief operations officer

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In October 2013, Boots will become Viega’s new COO.


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Bryan Steam names O’Toole as president

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He most recently served as VP of Sales for Grundfos Pumps’ Water Utility Business.


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Taco announces 6+1 promotion for residential hydronic components

The 6+1 promotion runs from August 15 to October 30, 2013.
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The 6+1promotion runs from August 15 to October 30, 2013.


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‘Mastering Hydronic System Design’ online course open

Students can earn AIA credit.
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Students can earn AIA credit.


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Energy-efficient water heater

Bradford White introduces a new residential gas water heater with a .70 Energy Factor, which meets the DOE’s energy conservation standards set to go into effect April 16, 2015.
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Bradford White introduces a new residential gas water heater with a .70 Energy Factor, which meets the DOE’s energy conservation standards set to go into effect April 16, 2015.


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A grand punch in the mouth

Lessons learned from the Great Recession and Hurricane Sandy.
By Dan Holohan
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 I’d like to begin with a big shout-out to that noted philosopher, Mr. Michael Tyson, who once said, “Everyone has a plan, ’til they get punched in the mouth.”


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2014 August

2014 August

In the August issue of PM, read about the continued construction and renovations being made to hotels and restaurants. Find out the focus of this year's ISH China show will be, who made this month's Truck of the Month and read what Elkay has to say about their commercial construction expansion. Also, read the latest news and discover the newest products being used by professionals in the plumbing and mechanical industry.
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Every plumbing and HVAC estimator can use the cost estimates in this practical manual!

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