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Current Category: Static Pressure Testing

Duct Leakage in Mechanical Rooms and CO

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Mechanical rooms housing heating equipment are required to maintain a neutral or slightly positive pressure to prevent combustion gasses from being pulled back down the flue into the room. The only appliances that this would not affect would be sealed combustion or...

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Diagnostic Tests That Teach and Sell

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Since the mid 1980's most contractors have been selling air conditioning and heating using methods like slick calculations that promised return on investment and energy savings. Times have changed and so have our customers. Today's buyers are better equipped to make...

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Diagnosing Cooling Systems

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Compared to the majority of the service techs in our industry, airheads have a distinct advantage when it comes to diagnosing cooling systems. The general idea that the system is "working" means it's typically only producing 60% or less of the equipment rated BTU...

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Can Your Fan Really Afford That Filter?

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The air filters we use in our heating and cooling systems are becoming more and more efficient every year. Filter marketing brochures compete to raise our awareness of the legions of dreaded unseen airborne enemies that threaten the peace and security of our homes....

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Add Out-Of-The-Box Checkups This Summer

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As the temperature rises outside, some companies feel the necessity to place airflow and combustion diagnostics on the back burner. The result is missed opportunities outside of the box. Most system defects aren't revealed by the typical clean-and-check service call....

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