David Richardson

graphic for Carbon Monoxide column by David Richardson January 21, 2019

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Carbon Monoxide: Four Combustion Test Instruments Every Technician Needs

By David Richardson Test instruments are an essential part of a technician’s daily work. The right models make your life easier while accurately measuring invisible […]

graphic for Carbon Monoxide column by David Richardson December 17, 2018

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Carbon Monoxide: Carbon Monoxide and the Flu

By David Richardson The day before writing this I was in the doctor’s office for my yearly physical. One of the first questions the doctor […]

graphic for Carbon Monoxide column by David Richardson November 16, 2018

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Carbon Monoxide: Four Draft Pressure Tests You Can Use...

By David Richardson Last month we looked at draft pressure measurement fundamentals. At the end of the article, I mentioned four draft pressure tests that […]

graphic for Carbon Monoxide column by David Richardson October 19, 2018

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Carbon Monoxide: How to Perform a Draft Pressure Test

By David Richardson Draft testing is an essential skill you need to diagnose carbon monoxide (CO) problems. Draft is the force that controls combustion air […]

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