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NOX – How Does It Affect Us?

NOX - How Does It Affect Us? by Jim Davis NOX is defined as oxides of nitrogen and is the combination of NO + NO2. It starts to form in the combustion process in the hot flame zone of combustion between 2500º to 2800º, combining nitrogen in the air with oxygen. Some...

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What Can Sir Isaac Newton Teach Us about Duct Renovation

What Can Sir Isaac Newton Teach Us about Duct Renovation by David Richardson When Sir Isaac Newton’s name is mentioned, many of us think of him getting hit in the head with an apple and discovering gravity. However, Newton can be credited with much more than this....

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Never Downplay the Value of a Visual Inspection

While performing complete combustion diagnostics is critical, visual inspection is often what solves problems before start-up and allows us to fix them. Because environmental conditions constantly change, even the most experienced technician can be fooled using...

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Never Downplay the Importance of a Visual Inspection

While performing complete combustion diagnostics is critical, visual inspection is often what solves problems before a start-up, and allows us to fix them. Because environmental conditions constantly change, even the most experienced technician can be fooled using...

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Low-Level Carbon Monoxide Poisoning: Know the Symptoms

The most talked about symptoms of CO poisoning are those that mimic the flu, such as nausea, headache, and dizziness. Fever is another symptom we rarely hear about. These symptoms may be reactions to a short term CO exposure, but what symptoms are common in exposures...

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Keep Your Techs Safe During the Summer Heat

Do you have a program in place to make sure your techs and installers protect themselves from heat exhaustion or worse in the steadily climbing summer temperatures? Here are a few tips to keep your crews healthy and productive this summer: Provide temporary cooling in...

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Gas Pressure Adjustments Done Right

Whether starting up new equipment or servicing existing equipment you should never assume that the recommended gas pressure of an appliance will assure safe or adequate operation. Performance cannot be determined until combustion testing has been completed. There are...

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If You Don’t Measure, You’re Just Guessing

If You Don't Measure, You're Just Guessing by David Holt, NCI Director Sales & Service Leadership I’m a huge college football fan. When the games begin in late August, I’m either glued to the TV or I’m visiting football stadiums around the country enjoying some...

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IAQ/Mold: No Silver Bullet – Just Get Bullet-Proof

It's amazing how many contractors are still looking for a "Silver Bullet" solution to mold. Ideally we would have some magical pixie dust you sprinkle on a home or building to make it mold-proof, or better yet, to cure all existing mold issues forever. In this attempt...

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How to Use Yellow CO Tags

Last month we brought you a red tag label that you can attach to an appliance when you disable it due to a safety hazard. This month we bring you its cousin, a yellow tag that is to be attached to equipment when you have made modifications or repairs to improve the...

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