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Home » Topics » Engineered Systems NEWS » HVAC Engineering Technology

HVAC Engineering Technology
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Teco Chill

How Windham Hospital Replaced their Chiller

Hospital achieves 85% efficient cooling and heating, while relegating their boiler to a backup role
Dalton Allaben
February 3, 2025

With Windham Hospital swapping to engine-driven cooling, they are expected to save 200 tons of carbon emissions annually by using natural gas directly and efficiently.


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Boiler

6 Strategies for Boiler Fuel Conversion Projects: How to Maximize Efficiency and Strategic Alignment

By adopting a structured yet flexible approach, organizations can ensure compliance, minimize disruptions, and achieve long-term success
Shahid Saeed
February 3, 2025

Boiler fuel conversion projects are essential for industrial facilities aiming to meet environmental regulations, improve efficiency, and address aging infrastructure. 


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Frozen AHU

Software vs. Hardwired Interlocks: Part I

An integral part of control systems, interlocks, can be either soft or hardwired — with important differences between the two
ES-cx-headshot-900x550.jpg
Miles Ryan P.E.
February 3, 2025

This project forced ES NEWS commissioning columnist Miles Ryan to think far deeper than he ever wanted to about the concepts of interlocks of where they can go wrong.


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CO2 Bacteria

New Technology Could Turn Smoke and Flue Gases into Valuable Products

The system still has some kinks to work out: It needs hydrogen to function, which is currently a limiting factor
Austin Keating
Austin Keating
January 21, 2025

While this won't replace regular chimney maintenance or eliminate the need for proper venting systems, it's an important step toward making chimneys more sustainable.


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Lochinvar IMSA

Contractor Modernizes IMSA's Heating System While Building Ties with the Community

IMSA project helps R.J. O'Neil secure WBENC certification, further strengthening their credentials
Austin Keating
Austin Keating
January 7, 2025

Boiler change out project shows how maintaining consistency in both equipment choices and contractor relationships can benefit institutional clients. 


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Cortec Corporation

Chemical Company Introduces Alternative to Hazardous Boiler Treatment Chemical

Cortec Corporation'sS-15 protects boilers from corrosion with a lower toxicity compound
ES Magazine staff
January 6, 2025

Cortec Corporation announces solution for treating oxygen pitting in industrial boilers that could provide a safer alternative to hydrazine.


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Vector Systems

Design Considerations for Ammonia Equipment for Advanced Emissions Control Systems

Careful consideration of the design of the entire Selective Catalytic Reduction (SCR) system can prevent issues from arising in boiler performance
Vaughn Watson
January 2, 2025

Ensuring these key design factors are considered in SCR and Ammonia system design, and addressing problems when they are discovered, are essential to an efficient SCR system capable of advanced NOx reduction.


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Clearsign Zeeco

ClearSign Technologies Innovates Low-NOx Burner Technology

About 80% of ClearSign’s installations are in California, where the strictest NOx regulations in the country have created high demand
Austin Keating
Austin Keating
January 2, 2025

New burners achieve sub 5 ppm NOx emissions to meet the strictest regulatory requirements.


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RenewAire

RenewAire: HE7X Commercial ERV

The HE7X enables engineers to optimize efficiency and airflow
ES Magazine staff
December 20, 2024

RenewAire has introduced the HE7X, a commercial energy recovery ventilator designed for flexible HVAC applications.


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Tomorrow's Environment

Troubleshooting Water Pumps Using Pump Basics and Old Fashion Experience

For a start, look at the existing conditions of the pump discharge and troubleshoot
Howard McKew, P.E., C.P.E.
December 18, 2024

Hindsight is 20-20 when troubleshooting and poor pump performance is one of the best places to start to recommend improvements that will have a reasonable return-on-investment and/or correct an operation problem. 


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