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Home » Topics » Plumbing & Mechanical Engineer

Plumbing & Mechanical Engineer
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Distribution Piping Options for Commercial Radiant Floor Heating

John Siegenthaler 200x200 author headshot on a white background.
John Siegenthaler, P.E.
December 4, 2003
Although hydronic radiant floor heating can be incorporated into many types of buildings, it's often a "perfect match" for garage-type buildings with bare concrete slab-on-grade floors.
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John Siegenthaler: Renewable Heating Design

Determining Flow Rates in Parallel Piping Systems Constructed of Smooth Tubing

John Siegenthaler 200x200 author headshot on a white background.
John Siegenthaler, P.E.
September 2, 2003

Parallel distribution piping systems overcome many of the limitations of simple series circuits.


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Thermostats for Radiant Floor Control

August 6, 2003

Most of the thermostats in today's hot water heating systems have evolved from a long history of baseboard, fan coil or radiator heating systems. Using the right thermostat is key to optimal radiant performance and zone control.


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John Siegenthaler: Renewable Heating Design

Creating Multiple Water Temperatures in Hydronic Heating Systems

John Siegenthaler 200x200 author headshot on a white background.
John Siegenthaler, P.E.
June 4, 2003
This article discusses the various ways to provide multiple water temperatures from a single heat source.
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Fans and ducting for ventilation in a rooftop HVAC system.

Back to Basics: Venting for Gas-Fired Boilers

June 4, 2003

Ensuring that flue products are properly and safely removed from a boiler and carried outside of a building is essential to ensure proper boiler operation.


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Selecting a Primary Loop Circulator--The Myths and the Facts

John Siegenthaler 200x200 author headshot on a white background.
John Siegenthaler, P.E.
March 6, 2003
Primary/secondary (P/S) piping has established itself as the default piping technique for multi-load hydronic systems.
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Plumbing work of assembling system of sanitary pvc sewage pipes in under construction.

Back to Basics: Sanitary Drainage Systems

February 6, 2003

The intent in designing and installing sanitary drainage systems is to ensure they will function reliably, are neither undersized nor oversized, and are constructed from materials, fittings and connections whose quality is regulated by codes and standards.


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John Siegenthaler: Renewable Heating Design

10 Things To Avoid When Designing Hydronic Heating Systems

John Siegenthaler 200x200 author headshot on a white background.
John Siegenthaler, P.E.
January 7, 2003
John Siegenthaler's been designing hydronic heating systems for 25 years, and he still comes across little nuances that when ignored can bring a system that is 99.9% correctly designed and installed to a virtual standstill.
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John Siegenthaler: Renewable Heating Design

Estimating Heat Loss from Copper Tubing

John Siegenthaler 200x200 author headshot on a white background.
John Siegenthaler, P.E.
December 4, 2002
Although not specifically intended as heat emitters, the copper tubing connecting the components of many hydronic systems certainly does release heat to its surroundings, compromising the system's ability to deliver heat precisely where and when it's needed.
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John Siegenthaler: Renewable Heating Design

Multiple Boiler Systems

John Siegenthaler 200x200 author headshot on a white background.
John Siegenthaler, P.E.
August 30, 2002
Today, many residential and light commercial hydronic systems serve multiple and diverse loads, such as space heating, domestic water heating, pool heating and snowmelting.
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