NCI Article Library

High-Performance HVAC Resources

Current Category: Air Conditioning

Changing Fan Speed with an Adjustable Pulley

Changing Fan Speed with an Adjustable Pulley by Rob "Doc" Falke Adjustable pulleys are the most commonly used method for changing fan speed in commercial balancing. Let’s take a look at how adjustable pulleys work and learn how to adjust them. We’ll also learn how to...

Building Surface Temperature and Your Customer’s Comfort

by David Richardson

Building Surface Temperature and Your Customer's Comfort by David Richardson One of the primary goals of an HVAC professional is to ensure the comfort of their customers. Let's say that you have designed and installed an HVAC system that is absolutely perfect. The...

13 SEER – Buyer Beware?

by Rob "Doc" Falke

With all the talk about 13 SEER minimum equipment and the expected impact on our industry, few of us have taken time to check out the new equipment engineering data. Many of our manufacturers, concerned about retaining their piece of the market, are introducing...

10 Tips for Providing Superior Customer Service

by Nita Brooks

In most cases the person who answers your telephone is the very first contact your potential customers have with your company. Here’s 10 tips for customer service personnel to begin building a relationship with your customers from the moment the telephone first rings.