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Duct Leakage in Mechanical Rooms and CO

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

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

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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Corcoran Heating & Air Conditioning – Schaumburg, IL

Member of the Month: Corcoran Heating & Air Conditioning -  Schaumburg, IL Tom Corcoran is our April NCI Member of the Month. Tom got started in the HVAC business when he didn't make the hockey team in college and followed a buddy into trade school nearly 30 years...

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Converting High Static Readings to Diagnostic Sales

Include the ducts in your service agreements by adding static pressure testing. This test adds a new dimension to service by including the entire system, not just the equipment. It provides better service to your customers, more opportunity to increase system...

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Can Your Fan Really Afford That Filter?

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

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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Static Pressure Testing

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