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Profiling an HVAC System

While profiling may be an unpopular word in airports these days, it remains the title of one of the best diagnostic procedures we've ever brought to you. You can profile an HVAC system by taking a series of temperature, pressure or airflow readings across it, and...

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Pocket Thermometer Diagnostics

Pocket thermometers can be very effective in demonstrating that an appliance is not venting properly, and spillage is occurring. When an appliance is operating correctly, the burner area of the heater should be drawing in room air or combustion air for proper burning....

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PK Wadsworth, Solon, OH

Paul Wadsworth calls himself the Business Leader of the PK Wadsworth Heating and Cooling Company of Solon, Ohio. The title Business Leader in place of President or CEO was chosen to typify his planned approach to business, as compared to the reactive approach found in...

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Pippin Brothers, Inc. Lawton, OK

In Lawton, Oklahoma, Mark and Jerry Pippin, owners of Pippin Brothers Inc. are on a mission. Bottom line: "Let's make people happy." Jerry oversees the new construction division of the company and Mark manages service and residential changeouts as well as the office....

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Outside Air Formula

Some field test conditions do not allow for accurate or convenient measurement of outside air CFM. But the percentage of outside air can be calculated using three simple temperature measurements. OAT - Outside air Temperature. This is the temperature of the air...

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Now That We’re Trained, What’s the Next Step?

After an air balancing seminar in Sacramento, California last month, a contractor asked "So now that we're trained, what do we do next?" I must admit, I thought that's what we'd been talking about for the previous three days, but the question was honest and required a...

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New Workbooks Enhanced Diagnostic Selling Process

One of the downloads in last month's newsletter was the Heating System Workbook. The response to this new sales and diagnostic tool has been encouraging. We had a significant number of calls offering adjustments, improvements and ideas for how the workbook could be...

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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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NCI Summit 2007 PerforMaxx Awards

National Comfort Institute held its first PerforMaxx™ Awards ceremony during PerforMaxx Summit in Charleston S.C. in February. The awards were created to recognize outstanding achievement in areas relating to Performance-Based Contracting and service to the heating...

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