NCI Article Library

High-Performance HVAC Resources

Hammond Services

2010 August Member of the Month

Haller Enterprises, Lititz, PA

200 Sept. Contractor of the Month

Greiner Heating & Air Conditioning Inc., Dixon, CA

NCI contractor of the month, Patty Greiner of Greiner Heating and Air Conditioning, Inc.

Getting a Diagnostic Test From a Service Call

Besides the valuable information the reading provides to help resolve the service call issue, it can be a prime lead-in to selling a complete system diagnostic and potential duct renovation work. To provide your customers with air conditioning systems that perform as...

Gas Pressure Adjustments Done Right

Whether starting up new equipment or servicing existing equipment you should never assume that the recommended gas pressure of an appliance will assure safe or adequate operation. Performance cannot be determined until combustion testing has been completed. There are...

Foley Mechanical – Alexandria, VA

Dan Foley, President of Foley Mechanical, NCI Performance-Based contractor of the month.

Finding Heat Pump BTU Output

It's 30 degrees outside and the heat pump is running. Let's say it's a 3 ton unit. What airflow should the equipment deliver through the system and what should the BTU output of that system be under current weather conditions? Last month, NCT included a HeatMaxx...

Farris Electric, LLC

Chris Farris, Farris Electric, LLC in Durant, Oklahoma is NCI’s November Member of the Month.

Equipment Red Tagging Procedure

Equipment Red Tagging Procedure Revisited When following National Comfort Institute's Carbon Monoxide (CO) and Combustion protocols and procedures, there is a good chance you'll uncover a dangerous or potentially hazardous condition. Checking ambient CO is always the...

Enhance Revenues With Commercial Air Conditioning Diagnostics

How would you like to generate additional revenue using Air Diagnostics with your existing commercial customers? If you currently have service agreements with commercial accounts, consider contacting property owners and managers to offer them a service that enhances...