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Control Description Language to Become an ASHRAE Standard

Properly designed and implemented sequences for building control can dramatically improve the energy efficiency, comfort and safety of commercial buildings. Unfortunately the process to develop,

Johnson Controls Supports U.S. Military Efforts in Health Pandemic

Temporary structures require HVAC to provide safe and comfortable environments for healthcare professionals and patients combatting COVID-19 MILWAUKEE — Johnson Controls Ducted Systems teams continue to

Carrier OptiClean Negative Air Machine to Help Hospitals Slow Spread of COVID-19

Device cleans contaminated air and prevents it from spreading to different sections of a hospital; potential future uses include homes, businesses, and assisted living facilities 


Volvo Solar Truck

Solar Powered HVAC Keeps Trucking cool

When most business people travel for their jobs, they retire to their hotel room at the end of the day. However, when long-haul

Air Quality

The Furnace and Air Conditioner Filters We Would Buy

The Best Air Filters for your HVAC Monitoring System

Are you wondering about the thin filters that look like a cheesecloth in your HVAC system? Ever thought of why the accordion-pleated thing

Tech Tips

What is Tridium’s Niagara Platform?

I announced that I was working on an upcoming article, and it is to be one regarding a general overview of the Tridium Niagara R2, AX, and N4 products. I asked for input, requests, or suggestions from anyone interested in this subject matter. I was inundated with a tremendous amount

BACnet MS/TP Protocol Over RS-485, Best Practices

BACnet MS/TP over RS-485 is one of the most common and cost-effective solutions for a network of Building Management System (BMS) controllers. I know that the current trend is for BACnet over IP based networks, but the tried and true BACnet over RS-485 networks have their merits. There are tremendous

AC Not Working

My HVAC System Will Not Turn On – What Should I Do?

What checklist for a Broken HVAC System Can I Use? The middle of a hot summer, or no matter where your company is located in the world where the climate includes extremely high temperatures is the worst time to find out your HVAC system won’t turn on.  Your first reaction


David Smith

David Smith

Application/Design Engineer - HVAC/R and Building Automation Controls & Mechanical Consultant

Experienced Design Application/Engineer with a demonstrated history of working in the construction industry. Skilled in HVAC/R, BMS, AutoCAD, Process Control, Control Systems Design, Fans, VFDs, Pumps, and Facility Management. Strong information technology professional expert in industrial networking, databases, and integration. Education Liberty University and SUNY Canton.

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