NCI Legacy Series Blog Posts In memory of those who came before, we bring you some of their best posts and articles from the past. Nita Brooks, who lost her battle with cancer 2016, was an integral part of the National Comfort Institute team for many years and was prolific in her writing. This post …
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Your Network Connection

October 11th, 2018 | Posted by Nita Brooks in Nita Brooks - (0 Comments)

NCI Legacy Series Blog Posts In memory of those who came before, we bring you some of their best posts and articles from the past. Nita Brooks, who lost her battle with cancer 2016, was an integral part of the National Comfort Institute team for many years and was prolific in her writing. This post …
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Consider this: The “Operating System” (programs like Microsoft’s Windows) is the most powerful program in your computer. Without a powerful operating system, your device is just a collection of parts that do nothing but sit there. The first business computer on my desk was an Epson QX-10 that featured the “CP/M” operating system. It was …
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How do I know what my team is really doing when most of the time they’re not under my direct supervision? What can I do to make sure my team delivers on my expectations consistently? These are two very common questions we regularly hear from our business coaching clients. So when things don’t go well …
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Kinetic Energy is Energy in Motion

The use of energy is what drives an HVAC system. Many of us remember learning about potential and kinetic energy in high school and wondering, when will we ever use this stuff? The truth is potential and kinetic energy are both forces we either ignore or apply in our professional and personal lives. Let’s examine …
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Combustion Air in a Gas-Fired boiler

Safe operation of any fuel-fired equipment requires adequate combustion air supply. To provide this essential system component, technicians typically install openings constructed of metal ducts or fixed grilles. This provides air from the outside or from an adjoining part of a building. Since combustion air openings are ducts, let’s look at the variables affecting airflow …
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Twenty-two years ago NCI set out on a mission to help the HVAC industry move towards measured performance. At the time, we envisioned a future where most systems would perform at over 90% delivered efficiency. We believed the industry would fix most of the HVAC systems in  homes and buildings once the issue was recognized. …
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Are you a member of an HVAC trade organization? I’m talking about the ones you have to pay dues to belong to. If you don’t, think about something that Benjamin Franklin once stated: an investment in knowledge pays the best interest. Seems reasonable, right? Yet it occurs to me, in the HVAC contracting world, the …
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The Thermostatic Expansion Valve (TEV) has become the refrigerant metering device of choice for most HVACR manufacturers in the past decade. Over time, countless valves have been needlessly replaced because of low airflow affecting their operation. A basic understanding of TEV operation helps tie the effects of low airflow to proper operation of the valve. …
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