Codes & Standards: HVAC

Codes & Standards: HVAC December 22, 2013

Smoke control systems

A smoke control system should be chosen by a fire protection engineer with enough knowledge to tailor the system to the characteristics of the building and its occupants.

By Paul J. Pinigis, PE, H&A Architects & Engineers, Glen Allen, Va.
Codes & Standards: HVAC December 16, 2013

Optimizing hot water systems with condensing boilers

Selecting a condensing boiler has the potential for high efficiency gains, but understanding special considerations for these boilers could cost you if you design the way you have in the past.

By David Grassl, PE, Ring & DuChateau LLP, Milwaukee
Codes & Standards: HVAC December 16, 2013

Top 10 design tips for condensing boiler systems

There are ten design items that should be considered for designing condensing boiler systems.

By David Grassl, PE, Ring & DuChateau LLP, Milwaukee
Codes & Standards: HVAC December 2, 2013

How UV-C energy works in HVAC applications: Part 3

The last installment of this three-part series describes how UV-C lamps are applied in HVAC systems to clean cooling coil surfaces, drain pans, air filters, and ducts to attain and maintain “as-built” capacity and indoor air quality.

By Forrest Fencl, UV Resources, Santa Clarita, Calif.
Codes & Standards: HVAC November 26, 2013

Prescription for hospital, health care HVAC success

Hospital and health care facility projects are especially important due to their sensitive nature. The HVAC system—especially indoor air quality—must have reliable design.

By Consulting-Specifying Engineer
Codes & Standards: HVAC November 18, 2013

How UV-C energy works in HVAC applications: Part 2

The second installment of this three-part series explores how lamps similar to fluorescent lamps generate UV-C light.

By Forrest Fencl, UV Resources, Santa Clarita, Calif.
Codes & Standards: HVAC November 4, 2013

How UV-C energy works in HVAC applications: Part 1

This first of this three-part series describes UV-C light and how it is applied as a clean-up tool in all types of air conditioning systems.

By Forrest Fencl, UV Resources, Santa Clarita, Calif.
Codes & Standards: HVAC November 1, 2013

Air curtains approved as alternative to vestibules

The 2015 version of the International Energy Conservation Code will approve air curtains as an alternative to vestibules.

By Air Movement and Control Association International Inc.
Codes & Standards: HVAC October 29, 2013

Understanding the limitations of fan efficiency grades

Fan efficiency grades (FEG) are a poor metric in determining the most efficient fan (in terms of actual power consumption) for a given airflow and pressure operating point. The best simple metric to ensure the lowest power consumption is the operating brake horsepower at the specified design point.

By Tim Mathson and Anthony Rossi, Greenheck, Schofield, Wis.
Codes & Standards: HVAC October 28, 2013

Heat exchanger codes and standards

Construction and fabrication are governed and controlled by the American Society of Mechanical Engineers (ASME).

By Jose R Rodriguez, Mike Sammut, and Arslan Asovic