NCI Article Library

High-Performance HVAC Resources

Performance Instead of Promises: Aire Rite, Inc.

Contractor Spotlight: Performance Instead of Promises: Aire Rite, Inc. by Mike Weil, NCI VP Communications & Publications In the HVAC world, a performance-based contractor delivers a healthy, comfortable, safe, and energy efficient environments with proven...

Member of the Month – T.M. Johnson Bros

Member of the Month - T.M. Johnson Bros Statistics tell us that the majority of new businesses fail in their first five years of operation, and only about 1 in 4 make it past the 15 year mark. So, for a company to beat the odds and not only survive, but thrive, for 50...

Precision Air Conditioning and Heating, LLC

Any time you’re talking with Larry Stewart and Kathe Stewart, it doesn’t take very long to be infected by their pride in, and enthusiasm for, their business and for the HVAC industry. When Kathe says, “we’ll work harder than anybody to make our customers happy”, and...

Masterworks Mechanical

Dave and Masterworks received the NCI 2013 National Training Excellence Award at the Annual NCI Summit and were recognized for their dedication to Performance-Based Contracting™ Blend one part staunch...

Member of the Month – Jansen’s

“To be the best comfort provider in the market you have to treat each customer’s home or business as if it were your own”, explains Tom Jansen about his business philosophy. “That is how you create trust and long-term relationships,” he adds. Creating those...

Member of the Month – Air Assurance, Inc.

Sometimes when you speak to people about what it can be like working with family members, you hear some real horror stories. Not so with Mike Rampey of Air Assurance Heating, Air Conditioning, and Plumbing. When Mike speaks about getting the opportunity to...

Mechanical Venting vs. Mechanical Combustion Air

Mechanical combustion air is the only proven way to provide adequate combustion air to appliances under most field conditions. There are, however, certain cases where because of the size of a mechanical room, the amount of internal forces in a building or mechanical...

Mechanical Miracles (and Mistakes)

When working in the field, there are an infinite number of variables to deal with. When listing the operating ranges of equipment on all the different NCI Diagnostic Forms, 98% of equipment is covered. However, there is that last 2% that are called mechanical...

Measuring Static Pressure on Service Calls is a Sure Thing

We've been advocating service technicians assure total external static pressure on every service call. How are you doing with it? First, a question. How's your annual summertime bet going? You know, your annual bet on the weather. If it's working out you're really...

Measuring Air Flow on Spiral Duct Systems

When measuring airflow in spiral ducts, it's often impossible to get a hood over the registers to read the airflow. Some systems prevent even one good hood reading to use to make a correction factor. In this situation, traverse the trunk duct serving the registers at...