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Current Category: Static Pressure Testing

Is HVAC System Duct Leakage Testing Enough?

Is HVAC System Duct Leakage Testing Enough? by David Richardson Duct leakage is an issue that has challenged the HVAC industry for as long as duct systems have been installed. The concept of resolving duct leakage issues isn’t a new one. If you have seen some of the...

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How to Plot Fan Airflow

How to Plot Fan Airflow by Rob Falke To be well prepared for this new level of diagnostics, begin collecting copies of the fan data found in most installation instructions for the equipment your company installs and services. The most important diagnostic truth about...

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How Much Cooling Can Your Fan Afford?

The quest for higher efficiency cooling equipment is hitting a barrier. Unsuspecting installing contractors are being handed hidden liability that is difficult to identify and resolve. Certain cooling coils are being built for the highest possible SEER rating, but...

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Introducing the Testo 435

For over a decade NCI has promoted the TSI VelociCalc 8386 as the best air balancing multimeter on the market, and it's still a great test instrument. It has served us well and was the instrument of choice, but is no longer manufactured. We are committed to bringing...

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Include the Ducts in Your Service Agreements

Adding the ducts to your service agreements is one of the best steps you can take to move your company forward in implementing air diagnostics. It's a small thing that can bring great and immediate results. Spring is the perfect time to implement this new service....

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How to Use Static Pressure Budgets

How to Use Static Pressure Budgets by Rob "Doc" Falke, NCI President Static pressure budgets were originally developed to help new air diagnostic technicians interpret static pressure readings. These budgets provide a set of rules to compare pressure readings so they...

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