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AMCA revises publication on industrial-process, power-generation fans

The Air Movement and Control Association (AMCA) International has revised AMCA Publication 802, Industrial Process/Power Generation Fans:...

Adidas, Knauf Insulation honored with Greenbuild Europe Leadership Awards

The U.S. Green Building Council (USGBC) named Adidas and Knauf Insulation as the recipients of the 2019 Greenbuild Europe Leadership Awar...

International Code Council calls for input on building code changes

The International Code Council will host its 2019 Committee Action Hearings from April 28-May 8 in Albuquerque, New Mexico.

ASHRAE seeks humidity experts for 2020 webcast

ASHRAE has announced a call for three presenters to share knowledge about the effects of humidity to a global audience in its 2020 ASHRAE...

Bryant names 2019 Medal of Excellence winners

Bryant Heating & Cooling Systems honored 22 dealers as 2019 Medals of Excellence winners.

Larry Head Joins Stanley Consultants as Energy Business Leader

Head formerly served as vice president, regional business line leader, and national practice leader for AECOM.

AGC urges Congress to pass Restoring Investment in Improvements Act

The Associated General Contractors (AGC) of America is urging Congress to pass bipartisan legislation to set a 15-year timeline for depre...

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HVAC Design/Construction Process

An Examination of Redundancy, Ventilation, and Codes on VRF Systems in Institutional Settings

Bill Artis

The International Building Code defines institutional occupancies under Institutional Group I and includes the use of buildings or structures where care or supervision is provided to persons who are or …

Commercial HVAC

The Differentiation of Belt Drive and Direct Drive Fans For Industrial Processes

Khalil Kairouz, Ph.D., P.E. Dale Price

While both belt and direct drive fans have been around for a long time, the mainstay fan for most industrial fan applications under 250 hp has been the belt drive …

Motors & Drives

Air Handling Efficiency in Data Center Cooling

Kim Baker

Today’s data centers handle an increasing volume of global digital communication traffic compared to their predecessors of yesteryear. The computers and digital devices that provide streaming video, Internet of Things …

Commercial HVAC

Boilers: Prescriptive or Performance — That is the Question?

Raimundo A. Ramos

In 1973, an energy crisis led to the development of ASHRAE Standard 90. This event served as a catalyst for the creation of building design efficiency requirements, which eventually led …

High-Performance Buildings

ASHRAE Announces Move to New Net-zero Headquarters at 2019 Winter Conference

Herb Woerpel

ATLANTA — ASHRAE is poised for a busy year in 2019. At its 2019 Winter Conference in Atlanta, the 56,000-member engineering association introduced a lengthy agenda that included renovation of …

High-Performance Buildings

AHR Expo Innovation Award Winners Take the Next Step in Innovation

James J. Siegel

Each year, the AHR Expo honors manufacturers that are looking forward and breaking new technological ground. Those manufacturers are presented with Innovation Awards covering 10 categories, including building automation, ventilation, …

HVAC Design/Construction Process

More than 80% of AEC BuildTech’s Educational Sessions will Offer CEUs

ROSEMONT, Ill. — BNP Media is pleased to announce that more than 80 percent of the conference sessions at the inaugural AEC BuildTech Conference & Expo (Architecture, Engineering, Construction) will …

Evaluating the Safety, Costs, and Efficiency of VRF Versus Hydronics White Paper

HVAC Product/Literature/Software

Solution™ Endura™ Outdoor Air Handler – Johnson Controls

Johnson Controls has added a new outdoor air handler to its YORK® Solution line of products. The YORK Solution Endura™ includes a zero-penetration roof backed and a 10-year roof warranty. The patent-pending triple-layer roof system has no fasteners, metal seams, or caulking.

Classifieds

HVAC Product/Literature/Software

RV-110 and RVE-180 Dedicated Outdoor Air Systems – Greenheck

Greenheck says it has expanded its line of Dedicated Outdoor Air Systems (DOAS) for high percentage and 100 percent outside air. Pre-engineered rooftop ventilator models RV-110 and RVE-180 with energy recovery offer capacities up to 18,000 cfm, up to 70 tons of packaged cooling, and 1,200 mbh indirect gas-fired heating.

HVAC Product/Literature/Software

Gas Boiler Line – Weil McLain

Weil-McLain introduced its full line of advanced, high-efficiency gas boilers for residential and commercial applications. The line now includes the Evergreen®, Ultra™ Series 4, GV90+® cast iron boiler and the AquaBalance® Series 2 — all operating with natural or propane gas and featuring the latest hydronic heating technology.

White Papers

An Introduction to Condensing Boilers White Paper

Boilers are closed pressure vessels that are used to heat fluids -- either water or steam. They range in size, fluid to be heated, temperature of fluid, and design configurations. This paper is the first in a series to explain total system efficiency with a focus on condensing hot water boilers used for space heating, process applications, and/ or domestic hot water heating.

HVAC Product/Literature/Software

ComfortVu™ BACnet thermostats – Carrier

Carrier has introduced its new ComfortVu BACnet thermostats. These thermostats offer control of a building's heating and cooling equipment from inside a facility or from any BACnet-based BMS, including Carrier’s i-Vu® building automation system.

Engineered Systems Magazine

2019 March

Engineered Systems magazine’s March 2019 issue examines the innovations offered by manufacturers at the 2019 AHR Expo and engineers at the ASHRAE Winter Conference, explores the difference between direct drive and belt drive fans in institutional applications, compares and contrasts the prescriptive and performance paths for boiler compliance, and much more.

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