Are you wondering about the thin filters that look like a cheesecloth in your HVAC system? Ever thought of why the accordion-pleated thing is now black when it was color white months ago? Or, you might be wondering why there are still visible dust and woolies on every surface afterContinue Reading
Finally, A Glimpse to the Smarter Post-Pandemic Office and COVID-safe Skyscrapers It has been a year since the Coronavirus or COVID-19 outbreak affected the whole world. The spread of this virus forced many countries to ban gatherings of people. Traveling was limited if not forbidden. Many countries have imposed aContinue Reading
It is your responsibility as the owner to monitor your home while you’re away. Installing remote temperature monitoring systems can help you keep a safe temperature on your property and avoid a disastrous winter episode. As the dread of winter is still lingering. Apart from people fighting the cold, theContinue Reading
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 amountContinue Reading
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 tremendousContinue Reading
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 reactionContinue Reading
When most business people travel for their jobs, they retire to their hotel room at the end of the day. However, when long-haul truck drivers are finished with their work, they move to the back of their truck cab into what is called the sleeper compartment. Long-haul, over-the-road truck driversContinue Reading
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, document, implement, and support these sequences is complicated and error prone and as a result many buildings operate sub-optimally. Building Intelligence Group helped to defineContinue Reading
UK: Carrier AquaForce water-cooled screw chillers, with a combined cooling capacity of more than 1.4MW, are providing high efficiency cooling at Wiltshire County Council’s Trowbridge headquarters. The two Carrier high performance AquaForce 30XW-V variable speed R134a chillers selected employ inverter-driven twin-rotor screw compressors. These enable the chiller to achieve ESEERsContinue Reading
PROBLEM: High-rise buildings, built in 1960’s, were experiencing scaling, bio-film and dirt (rust) deposits in their condenser water systems. This inhibited heat transfer, lowering HVAC hydronic system efficiency. Previous traditional solutions (chemicals & flushing) failed to stop the cooling towers and chillers from scaling up. This required that they beContinue Reading
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