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Home » Topics » Plumbing & Mechanical Engineer

Plumbing & Mechanical Engineer
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John Siegenthaler: Solar Thermal Design Notebook

A sampling of low-temperature heat emitters

John Siegenthaler 200x200 author headshot on a white background.
John Siegenthaler, P.E.
December 4, 2014
When you look at the big picture of hydronic heating on a worldwide basis, one of the most evident trends is migration toward low-temperature distribution systems.
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Bosch Thermotechnology split system water-source heat pumps

November 30, 2014
Designed specifically for the new construction and replacement/retrofit market, Bosch Thermotechnology's small footprint LV Split System heat pump comes in eight sizes.
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Successful solar combisystem installations

Nine tips for successful installations.
Vaughan Woodruff
November 26, 2014

Trends show the market for solar combisystems — systems that provide both domestic water and space heating — has potential to expand. An estimated 42,000 of these systems are installed in the United States, and the market is growing slowly.


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9 tips for successful solar combisystem installations

Vaughan Woodruff
November 26, 2014
Nine tips for successful installations.
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WaterFurnace's geothermal heat pump homeowner rebate returns

November 26, 2014

Geothermal heat pump manufacturer WaterFurnace International announced the return of SEVENbration, a celebration of another successful year for the 7 Series variable-capacity geothermal heat pump. 


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Swapping out aging boiler with geothermal heat pump

November 2014 The Glitch & The Fix
John Siegenthaler 200x200 author headshot on a white background.
John Siegenthaler, P.E.
November 12, 2014

An installer who is used to boiler replacements may view the mechanical room aspects of changing from a boiler to a geothermal heat pump the same as a boiler changeout; just swapping out one “box” for another. Unfortunately, this can lead to some significant operating problems.


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ClimateMaster ducted vertical stack heat pump

October 28, 2014
ClimateMaster’s Tranquility Vertical Stack Series ducted heat pump unit, available in 3/4- to 3-ton capacities, features top supply air discharge openings.
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Aquatherm PP-R pipe for heating and cooling

October 27, 2014
Aquatherm’s Blue Pipe Standard Dimension Ratio 17.6 faser-composite is now available from 4” to 24”.
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Annual United Association competition awards apprentices skilled in copper

The annual competition featured 32 contestants from North America and Australia.
October 21, 2014

The 2014 United Association International Apprenticeship Competition was held in late August.


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WaterFurnace geothermal water heating and cooling

September 25, 2014
WaterFurnace’s Envision2 NXW Chiller provides water heating and cooling for a wide range of applications — radiant floor heating, ice melt, chilled water, fan coils.


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