Latest News

KCI Acquires Keith & Schnars

Errol Kalayci, CEO, K&S, will take on the role of corporate counsel for the firm of 1,550.

Therma Holdings LLC Acquires Yearout Mechanical

“Yearout Mechanical is an established company with a great reputation with customers and general contractors in the New Mexico market and...

Danfoss Achieves 12% Growth in North America in 2018

“Twelve percent organic growth is impressive,” said John Galyen, president, North America, Danfoss. “This is on top of 10 percent organi...

DiversiTech Acquires Stride Tool, Announces Retool Your Future Scholarship Winners

“Our tagline is, ‘Simplify Your Work,’ this is what DiversiTech is all about from the wholesalers and technicians’ points of view,” said ...

Lochinvar, EC Power partnering on cogeneration project for North American markets

Lochinvar and EC Power announced a strategic partnership to launch a cogeneration product in North America.

enVerid Systems wins Product of the Year Award at 2019 AHR Expo

On January 15, enVerid Systems was named “best in show” in the Innovation Awards during the 2019 AHR Expo in Atlanta.

Rheem Announces Global Sustainability Initiative

“Sustainable thinking is not new to Rheem,” said Chris Peel, president and CEO, Rheem. “It’s embedded in everything we do. It’s in our pr...

See More News

Ventilation

Setting the Payback Parameters of a Demand-controlled Kitchen Ventilation System

Andrew McKeever P.E.

Restaurants and commercial kitchens are notoriously one of the largest consumers of energy per unit of floor area. Moreover, the kitchen ventilation system is often the largest energy-consuming component in …

HVAC Retrofits

Construction Mangaement: Smoke Control in a Metro Tunnel Renovation

Amanda Parolise

This month's Facility Files will focus on the Back2Basics test addressing the renovation of an existing Metro station with the addition of a new smoke evacuation system located within the …

IAQ: A Physician’s View

A Lesson of Unintended Consequences: Rats Tails & Hospitals

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

Most of us have experienced one of our best solutions backfiring and unintentionally creating a bigger problem in the future. One historical example of an unintended consequence occurred in the …

Columns

Three Principles for Specifying BAS Technology

In order to make effective recommendations for your customers related to selecting systems, components, and processes, a project should be grounded in three principles. …

Life Safety

The Non-automated, Operational Instructions of Winterization

Rebecca T. Ellis, P.E.

The industry standard commissioning process includes development of a systems manual to supplement the equipment O&M manuals provided by equipment manufacturers. The systems manual is intended to document at least …

Heating & Boilers

AHRI Announces Major Restructuring at 2018 Leadership Forum

Herb Woerpel

TUCSON, Ariz. — Air-Conditioning, Heating & Refrigeration Institute (AHRI) is reinventing itself. …

Commercial HVAC

Are Your Engineered HVAC Systems Safe from Contamination and Cybercrime?

Howard McKew P.E.,C.P.E

We are starting a new year, and I believe the HVAC consulting engineers responsible for design engineering need to make a change in 2019 as to how HVAC systems are …

Clean Connect Coil Sprayer – Nu-Calgon

Three of Nu-Calgon’s coil cleaners are now available in quart concentrate sizes to be used with a new sprayer called Clean Connect™. Nu-Brite® 4x, Alka-Brite+® 4x, and Tri-Pow’r® HD 4x are concentrate quarts equal to one gallon of traditional coil cleaner (4:1 dilution).

HVAC Product/Literature/Software

ACH580 VFDs – ABB

ABB is launching a new series of variable frequency drives (VFDs) that aim to enhance the performance of smart buildings and enable users to meet more stringent energy efficiency regulations. Company officials said the new ACH580 HVAC drives ensure that applications operate reliably and without costly unplanned outages, safeguarding the comfort and security of occupants in commercial buildings, including critical facilities such as hospitals and data centers.

Classifieds

HVAC Product/Literature/Software

VRP Heat Pump System – Friedrich

Friedrich is now offering its VRP® (Variable Refrigerant Packaged) Heat Pump system in a larger three-ton size. Originally available in one or two-ton capacities typically used for lodging and hospitality properties, Friedrich is debuting the larger capacity VRP as a solution for multi-family and other light-commercial applications.

HVAC Product/Literature/Software

TPE3 In-Line Pump – Grundfos

Grundfos has introduced the TPE3 in-line pump. The pump showcases a permanent magnet motor, a series of advanced control modes, multi-pump functionality, monitoring and commissioning, and more.

Ventilation

Intelligent Air Volume: The Evolution Continues

In the 1970s VAV (Variable Air Volume) systems replaced CAV (Constant Air Volume) systems. Concurrently, the 8-bit microprocessor with 4500 transistors was introduced. In the field of commercial HVAC systems, VAV systems became the first choice and were used as baselines for energy standards.

Heating & Boilers

BGH96 Series Furnace –Bosch Thermotechnology

Bosch Thermotechnology has introduced its first condensing furnace with the BGH96 Series. This company says the Energy Star-rated furnace offers a two-stage gas valve that switches between high- and low-fire settings for a 96 percent AFUE heating efficiency.

Engineered Systems Magazine

2019 January

Engineered Systems Magazine’s January 2019 issue features the winners of the 20 to Watch: Women in HVAC contest, questions the feasibility of demand-controlled kitchen ventilation, examines the three sides of the combustion triangle, considers the nexus of ASHRAE Standards 90.1 and 62.1, and much more.

View More Subscribe

Design, CMS, Hosting & Web Development :: ePublishing