NCI Article Library

High-Performance HVAC Resources

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....

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...

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....

Photo of the Month July 2016

"Good ol' American ingenuity trumps the mechanical code yet again!" Photo submitted by: Tom Kohlberger, Comfort Control, Inc. Bufurd, GA Submit either your best or worst HVAC system photos to stevev @ ncihvac.com for consideration in the Photo of the Month.

Phil Frasier, Frasier Plumbing & Heating, Rhinelander, WI

Phil Frasier receives this month's NCI Contractor of the Month recognition. He is vice-president of Frasier's Plumbing and Heating, a family business established in 1918 by his Great Grandfather in Rhinelander, Wisconsin. The company has nearly 30 employees and...

Peter Arbeeny, All HVAC Service, Brooklyn, NY

December's NCI Performance-Based Contractor is Pete Arbeeny, President of All HVAC Service, Brooklyn, New York. Pete started the business 18 years ago when he was twenty. He ran service from his car until it crashed, and then he used Brooklyn's train system as his...

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...

Oasis Air Conditioning

If you're involved in volunteer and community service projects around Bakersfield, California, chances are you'll run into Oasis Air Conditioning's Ben Dominguez, or an Oasis employee. For NCI Member of the Month Ben and his team, being part of the community means...

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...

NCI Photo of the Month – Oct 2010

Boy, you miss just ONE day of sheet metal class... This was just one of the three "transitions" we found in this duct system. Photo submitted by Dan Paprek - Climate Makers, Inc. Submit your worst HVAC system photos to robf@ncihvac.com for the October Photo of the...