Latest News

AHRI honors two Trane employees with Richard C. Schulze Award

The Air Conditioning, Heating and Refrigeration Institute presented the 2018 Richard C. Schulze Award to Trane employees Darryl Denton an...

General Filters Inc. acquires Second Wind Air Purifier

General Filters Inc. has purchased Second Wind Air Purifier Inc. and Second Wind Air Purifier Ltd., manufacturers of ultraviolet light ai...

Danfoss honors Multistack, Florida schools with EnVisioneer Awards

Danfoss has named two winners of its ninth annual EnVisioneer of the Year Award competition.

A. O. Smith Corp. unveils Lloyd R. Smith Corporate Technology Center

A. O. Smith Corporation celebrated the grand opening of its new Lloyd R. Smith Corporate Technology Center.

Webster Combustion names new representation in Latin America

George Nikiforov Inc. will represent Webster Combustion Technology in Latin America and the Caribbean.

Dewberry VP named to NC State University Alumni Hall of Fame

Shepard Hockaday, P.E., LEED AP, was recently inducted into the North Carolina State University 2018 Mechanical and Aerospace Engineering...

Triangle Tube announces new operations director

Triangle Tube has appointed Andy Sutton as operations director.

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HVAC Retrofits

Puzzling Together a 2,400-ton Cooling Tower in 400 Sized-to-fit Pieces

Dan Vastyan

There’s no one-size-fits-all solution for a cooling tower replacement. This is especially true in urban population centers and atop high-rise buildings. …

Commercial HVAC

A Transformative, Innovative Approach to Building Automation Systems

Paul Ehrlich P.E.

For many of us involved day to day with the design, installation, and operation of BAS, it often seems like there has been little in terms of new products and …

Columns

Adding a 100-ton, Year-round, Standby Cooling Tower Addition to a Pharmaceutical Facility

Amanda Parolise

This month’s Facility File will focus on the B2B November test for the addition of a 100-ton, year-round cooling tower addition as standby to an existing, older cooling tower serving …

Cooling & Chillers

The Blueprint: Eric B. Luftig

Editor’s Note: Every successful project starts with a framework. A vision statement. A blueprint. …

Ventilation

Contemplating the Effectiveness of Energy Conservation Incentives

Stephanie Taylor, M.D., M. Arch, CIC

Imagine this scenario: You decide to buy a car for your family. Deciding on a certain model, you carefully read the safety specifications. …

Commercial HVAC

The Procedural Burdens of BAS Specification 230923

Ira Goldschmidt P.E.

A BAS spec is typically a section within Division 23 (e.g., 230923), while the sequences and points are usually provided elsewhere (i.e., on the drawings, in section 230993, or some …

IAQ

Designing Dust Collectors with Expert Guidance

Del Williams

Dust collectors are used to capture, convey, and collect dust for a wide variety of manufacturing and industrial processes. Whether involving wood, plastic, metal, or chemical dust particles, this is …

HVLS Ceiling Fans – Greenheck

Greenheck’s new Model DS direct drive, high volume low speed (HVLS) ceiling fans feature an optimized airfoil design for maximum efficiency and coverage area. Licensed to bear the AMCA Seal for Circulating Fan Performance, Model DS is available in eight sizes ranging from 8 to 24 feet in diameter with performance up to 243,000 cfm. With its direct drive motor, the manufacturer claims the DS is up to 20 percent more efficient than other HVLS fans and up to 10 dBA quieter.

HVAC Product/Literature/Software

COOL-FIT® ABS Plus Piping System – GF Piping Systems

The COOL-FIT® ABS Plus Piping System from GF Piping Systems is a fully pre-insulated plastic piping system for secondary cooling and refrigeration. According to the company, the system features energy-efficient, non-corroding, maintenance free performance. These features make it ideally suited for food production, process cooling, cold storage, beverage production, supermarkets, dairies, air conditioning, and others.

Classifieds

HVAC Product/Literature/Software

Minisplits – Cooper&Hunter

Cooper&Hunter added a new series to its current heat pump line-up with single zone applications. The new Dakota series aims to ensure consistent warm comfort during extreme climate and the condenser heat output capacity allows the unit to work efficiently as a primary heat source even if the temperature drops to a sub-zero level of -22ºF.

HVAC Product/Literature/Software

MagnaClean™ DRX magnetic dirt filter – ADEY

The ADEY® MagnaClean™ DRX magnetic dirt filter provides a highly compact and cost-effective solution for removing debris and black iron oxide sludge from commercial hydronic heating systems, according to the company. The filter can be installed in-line or side-stream and in either a vertical or horizontal orientation making it an ideal solution for maintenance or renovation applications where mechanical-room space is limited.

HVAC Product/Literature/Software

Axial fan W3GZ50 – ebm-papst

The ebm-papst portfolio contains a new axial fan with double flange housing of size 1,250 mm for use in cooling towers. Extremely harsh ambient conditions with 100 percent humidity in combination with high temperatures can lead to corrosion and a high degree of wear.

Motors & Drives

Inside Matrix Variable Frequency Drive Technology White Paper

Variable frequency drives (VFDs) save energy, increase the life of mechanical systems, and offer valuable control features in a wide range of building management applications.

Engineered Systems Magazine

2018 November

Data centers are critical to the world’s existence. Every segment of human activity, including energy, lighting, telecommunications, transportation, public health, entertainment, and infrastructure, are controlled by data centers. Growth in this sector is exploding. In 2017, approximately 48 mergers and acquisitions were completed totaling nearly $20 billion, which exceeded the total in 2015 and 2016 combined, according to Jones Lang LaSalle IP Inc. In the November issue of Engineered Systems, we explore some of the trends surrounding the data center boom and how HVACR engineers are keeping up with the exponential demand.

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