Latest News

Nortek Security & Control Appoints Nathan Richardson CI Regional Sales Manager for Southern California

Richardson replaces Scott Osborne, who has taken over the Florida territory.

USGBC Welcomes Four New Board Members

Dan McQuade of Global Infrastructure Solutions, Karen Weigert of Slipstream, Doug Woods of DPR Construction, and Lakisha Ann Woods of the...

Zigbee Alliance Adds DEKRA Labs to its Roster of Accredited Independent Test Service Providers

DEKRA now supports Zigbee certification programs as the IoT market continues to flourish.

Carrier Appoints Timothy McLevish as New CFO

Carrier announced the appointment of Timothy McLevish as chief financial officer, effective October 1.

AHRI Introduces Safe Refrigerant Transition Task Force Web Page

The SRTTF aims to address every step of the supply chain to ensure a safe transition to A2L refrigerants.

Trane Acquires Arctic Chiller Group

Arctic Chiller Group specializes in high-efficiency air- and water-cooled, modular, and process chillers for commercial HVAC and process ...

2020 AHR Expo Promises the Latest Innovations, Products, and Technologies

The premier HVACR event will occupy more than 500,000 square feet Feb. 3-5, 2020, in Orlando, Florida.

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Commercial HVAC

ASHRAE 90.1 Vs. IECC — Is it Time to Take a Stand?

John Varley

Please raise your hand if you enjoy having two energy codes providing the standard of care for your projects. …

Facility Files

Facility Files: Hospital Patient Room Filtration Retrofit

Amanda Parolise

This month’s Facility File focuses on retrofitting a hospital’s patient floor with the addition of one fan-powered HEPA filter unit per patient room on a 30-patient room floor. The Facility …

HVAC Design/Construction Process

What You Need to Know — and Ignore — About Machine Reasoning

Charles Araujo

Machine reasoning is about making a machine approach information the same way humans do: by understanding its essence so it can use that understanding to process and comprehend data that …

IAQ

Why We Need Baby Boomers in the Workforce

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

What should we do with all these gray-haired baby boomers? Do the brilliant and bold youngsters who seem to dominate the world of creativity and innovation still have a place …

Pumps & Flow Controls

The Blueprint: Kyle DelPiano

Herb Woerpel

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

Building Automation

The Five Steps to Continuous Commissioning

Phil Zito

In my August 2019 article, I began to unpack three approaches that can be utilized to create reoccurring lines of revenue within your engineering and consulting business. This month we …

HVAC Design/Construction Process

A Deeper Dive into Trend Analysis

Rebecca T. Ellis, P.E.

Continuing with the theme from last month, this column presents another real-life example of how trend analysis, if done thoughtfully, can uncover wasted energy that no one even suspected. …

2.0 DC Oversizing Ratio and New Features for SOLECTRIA XGI™ 1500 Utility String Inverters – Yaskawa Solectria Solar

The new, powerful SOLECTRIA XGI 1500 utility string inverter brings together US-based engineering and manufacturing with Yaskawa’s exceptional quality and reliability.

Pumps & Flow Controls

E2V-CW Valve – CAREL

The new E2V-CW family, featuring copper fittings, has been developed as the evolution of the previous series of high-pressure valves.

Classifieds

HVAC Product/Literature/Software

Buderus SSB Heavy Commercial Boilers – Bosch Thermotecnology

With a small footprint (31.5-by-36 inches), minimal clearance requirements, and output ranges from 800-8,192 MBH, these boilers can be utilized in almost any application.

HVAC Product/Literature/Software

Rotary Atomisers for Adiabatic Cooling and Humidification – Micron Sprayers Ltd.

Two models are available, a larger direct drive unit with flow capacities of up to 180 liters per hour, and the more compact Micromiser unit, which can provide spray rates of up to 18 liters per hour.

HVAC Product/Literature/Software

Rebel Applied Packaged Rooftop HVAC System – Daikin

The Rebel Applied packaged rooftop system achieves an ASHRAE Standard 111 Class 6 air-leakage rating at +/-6 inches or 0.5% at design airflow.

Building Automation

groov EPIC Edge Programmable Industrial Controller Firmware Update 1.4.1 – Opto 22

The update enhances secure remote access with VPN, adds inductive automation ignition options.

Engineered Systems Magazine

2019 September

Engineered Systems magazine’s September 2019 issue questions the need for multiple building codes that cover the same subjects, examines the dos and don’ts of power systems for critical facilities, offers tips on how to select the proper centrifugal pump circuit flow controls, and much more.

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