NCI Article Library

High-Performance HVAC Resources

Current Category: Duct Renovation

Measure and Persuade With Duct BTU Loss

The key benefit of measuring airflow is to show a customer the negative effect that a duct system can have on a piece of heating or cooling equipment. The success of a sales opportunity depends on how well we can help the customer understand how the duct system is...

Insight Air, Phoenix, AZ

by National Comfort Institute, Inc.

Rick Rohrbacher is the owner of Insight Air located in Phoenix Arizona. In addition to having his second daughter two weeks ago and moving into their new home two weeks from now, it's been a very busy spring at for Rick and the rest of his company. As we spoke with...

Include the Ducts in Your Service Agreements

by Rob "Doc" Falke

Adding the ducts to your service agreements is one of the best steps you can take to move your company forward in implementing air diagnostics. It's a small thing that can bring great and immediate results. Spring is the perfect time to implement this new service....

Improving Duct Renovation Quality and Profits

by Rob "Doc" Falke

NCI contractors have been testing and renovating duct systems for nearly a dozen years now. Every few years, we review the procedures and forms we provide to support your duct renovation work so they can be upgraded to keep up with the evolution of Performance Based...

How to Redesign an HVAC System – Part I

by Rob "Doc" Falke

We've looked, but can't find it. There are mountains of information about how to design a new HVAC system, but nothing much that addresses how to redesign an HVAC system. It would take hundreds of pages to completely detail the process, but let's take a stab at the...

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

by National Comfort Institute, Inc.

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...

Insight Air, Phoenix, AZ

by National Comfort Institute, Inc.

Rick Rohrbacher is the owner of Insight Air located in Phoenix Arizona. In addition to having his second daughter two weeks ago and moving into their new home two weeks from now, it's been a very busy spring at for Rick and the rest of his company. As we spoke with...

Include the Ducts in Your Service Agreements

by Rob "Doc" Falke

Adding the ducts to your service agreements is one of the best steps you can take to move your company forward in implementing air diagnostics. It's a small thing that can bring great and immediate results. Spring is the perfect time to implement this new service....

Improving Duct Renovation Quality and Profits

by Rob "Doc" Falke

NCI contractors have been testing and renovating duct systems for nearly a dozen years now. Every few years, we review the procedures and forms we provide to support your duct renovation work so they can be upgraded to keep up with the evolution of Performance Based...

IAQ/Mold: No Silver Bullet – Just Get Bullet-Proof

by Dominick Guarino

It's amazing how many contractors are still looking for a "Silver Bullet" solution to mold. Ideally we would have some magical pixie dust you sprinkle on a home or building to make it mold-proof, or better yet, to cure all existing mold issues forever. In this attempt...