NCI Article Library

High-Performance HVAC Resources

Current Article Library Category: Air Conditioning

Profitable Register and Grille Change-outs

Quite often we can trace airflow problems to restrictive and/or poorly performing registers and grilles. In these cases why not offer your customer a complete register and return grille change-out package. High quality registers and grilles are available from...

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Professional Witness Clause

Have you ever been dragged unwillingly into court? Here's a way to avoid unwanted involvement in legal matters that may arise between your customers and previous HVAC or general building contractors. After you publish a performance report, you may want to include a...

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Prism Inspection Mirrors

When using an inspection mirror to read a model or serial number, there's a small problem... the number appears backwards in the mirror. Unless you have refined your brain to interpret numbers and letters backwards off of the mirror, odds are the accuracy of your...

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Photo of the Month – July 2015

Codes? We don't need no stinkin' codes. At least we got rid of all the left over material in the boneyard. We recommend a new high-efficiency unit for your system. Photo submitted by: Justin Bright at Climate Pro in California Submit either your best or worst HVAC...

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Photo of the Month May 2017

"The Flue Gas Knows Which Way to Go"   Or does it? The May winner of our Photo-of-the-Month contest, as voted on by the subscribers to this newsletter, is Greg Vickers of GV's Heating and Cooling, Inc., Glenview, IL. Greg shared this via National Comfort...

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Photo of the Month April 2017

There's No Spin Here! High winds making your power venter spin backwards? Cover the termination hood with a recycling bin and then secure it as shown! Photo submitted by: Jeff Waldman, Waldman Plumbing, Lynn MA. Submit either your best or worst HVAC system photos...

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So, They Wanted It Cheap

"And they got what they paid for -- firewall penetrations with flex duct. Vents don't need to rise, do they? We don't need to change out that asbestos transit flue, do we?" -- Jim Eichman, Empire HVAC, Stanton, CA Jim Eichman is the September winner of our...

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Photo of the Month – October 2017

A New Way To Hang Duct! -- Jeff Crumrine, Jeff Crumrine Air Conditioning and Heating, Inc, San Antonio, TX Jeff is the October winner of our Photo-of-the-Month contest, as voted on by the subscribers to this newsletter and visitors to HVACToday. He won a $50 gift...

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Photo of the Month January 2015

How many dangerous scenarios can you find? Photo submitted by: Nathan Copeland, Copeland & Sons, Memphis, TN. Submit either your best or worst HVAC system photos to stevev @ ncihvac.com for consideration in the Photo of the Month.

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Photo of the Month July 2017

"But, they were cheaper!" -- Ryan Smith, Benchmark Air Conditioning, Bakersfield, CA Ryan is the July winner of our Photo-of-the-Month contest, as voted on by the subscribers to this newsletter and visitors to HVACToday. He won a $50 gift card, you can too -...

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National Comfort Institute, Inc.

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