Heating & Boilers
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Match Game: Boiler Types And Loads

In which the author explores the specific strengths and attributes of various boiler types, along with pumping options and other system factors. The goal: To help you intelligently align your project’s equipment choices with its particular load, meeting expectations while avoiding Delta T headaches.
Chris Miller, P.E., CxA
September 4, 2016
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Engineers face multiple options for providing hydronic heat, along with additional decisions regarding whether that design should also serve other components such as domestic hot water.


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Getting Comfortable With Radiant HVAC

Getting Comfortable With Radiant HVAC

The particular charms of panels, chilled beams, and related options seem to be at-tracting more attention from designers and owners these days. Design, installation, and even architectural considerations can earn a hard look at radiant for a surpris-ing number of applications.
Steven G Liescheidt P.E., CCS,
September 3, 2016
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Radiant HVAC — what is it? Heating is done in three ways in buildings — convection, conduction, and radiation. Heating and cooling with air is common in most building HVAC systems.


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Less Steam, Please: Thermal Power Reduction In Health Care

It might seem like an odd objective, but the potential efficiency gains are real. And from heat recovery chillers to modified humidification targets so are the opportunities to replace steam production with hot water generation and to manage remaining steam needs more intelligently.
Carl C. Schultz, P.E.
July 1, 2016
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The production of thermal power is critically important in carrying out the mission of health care facilities where it is used for space heating, humidification, domestic water heating, and for processes in dietary, laundry, and sterilization departments.


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Replacing A Steam Boiler

Replacing A Steam Boiler

So many areas where a little forethought and awareness can avoid larger problems — sizing, velocity, piping and connections, double trapping, condensate return, proper pressure, blowdown tanks, and more. Read on for some good habits and why they’re worth having.
Ray-wohlfarth
Ray Wohlfarth
June 2, 2016
3 Comments

When designing or replacing a low pressure steam boiler, throw out everything you know about hydronic boilers. A steam system is closer in operation to an air conditioning unit than it is to a hydronic boiler. If you design a steam system using hydronic design methods, it will not operate properly. 


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Assessing The Radiant Road To School Design

The Radiant Roads To School Design

Leaning on experience and data from various K-12 cities and projects, the authors pursue some less conventional design approaches. They may revolve around radiant heating and/or cooling, but depending on school size and other factors, the smart use of heat recovery, DOAS, and improved central plants could also put a project on the HVAC honor roll.
Chris Miller, P.E., CxA Eddie Ortiz, EIT
May 2, 2016
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As an engineer there are two choices — improve the “norm” or forge ahead with something new or borrowed from previous generations.


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