NCI Article Library

High-Performance HVAC Resources

Current Article Library Category: Air Conditioning

How to Select Your First Water Balancing Gauge

When it's time to take your first try at measuring the performance of a hydronic system, you might want to begin with some starter instruments. A hydro- manometer like the big boys use normally costs over $3000.00 each. Although well worth it, you may not want to part...

How to Interpret Fan Performance Data

One test essential to successful CoolMaxx™ service reporting is interpreting fan airflow from the manufacturer's fan data after you measure total external static pressure. As with most HVAC system diagnostic testing, it takes more than textbook learning to become an...

Homer Nine and Sons of Beaver, Pennsylvania

Dale Nine, owner and General Manager of Homer Nine and Sons of Beaver, Pennsylvania (about 20 miles North of Pittsburgh) is the May, 2010 NCI Member of the Month. The company name Homer Nine goes way back. Dale's first name is Homer. He is the son of Homer "Buck"...

How Airflow Affects Heating Efficiency

Airflow is critical to proper heat transfer in heating and air conditioning systems. Most of us know the rule that temperature drop over a cooling coil should be 18 to 22 degrees. If the temperature drop increases, it is evidence that airflow is low. If the...

Holiday Marketing Idea

One of the hottest gift ideas this Christmas is a simple gift card or gift certificate. It presents a way to give, and is often one of the most well received items under the tree. Friends and family are giving gift certificates or cards for meals, travel, services and...

Henry Sterling of Sterling’s Heating and Air Avon, OH

Henry Sterling is making the leap from Tin Knocker to CEO. If you've done that for yourself, you know exactly what we're talking about. It's been a big year at Sterling's A/C of Avon Ohio. They built a new shop, upgraded computer hardware and software, and doubled...

HeatMaxx™ For Heat Pumps

Many NCI contractors have finally found an effective way to plug static pressure and performance measurement into your service departments by implementing the HeatMaxx and CoolMaxx programs. All we can say is that we wish we had come up with it sooner. Your feedback...

Heat Strip BTU and Performance

Since the cold has set in we have received many calls and e-mails on PerformanceTalk from contractors and technicians wresting with electric heat systems. The two main topics discussed are: How to determine and rate electric heater performance and how to figure the...

Member of the Month – Having Passion for the Industry

Having Passion for the Industry - Comfort Inc August 2013 Speaking with Comfort Incorporated owner Richard Williams and General Manager Todd Lynn quickly reveals their passion for the company and the HVAC industry. As Richard puts it, “We wake up every morning to a...

Hammond Services

"Do the right thing." David Hammond will readily tell you that those four simple words are the solid foundation the success of his company is built on. "Anyone can say it, but not everyone does it", David says. He goes on to explain that his primary job as President...