Rob Falke

National Comfort Institute

Rob “Doc” Falke serves the industry as president of National Comfort Institute an HVAC-based training company and membership organization. If you're an HVAC contractor or technician  interested in a building pressure measurement procedure, contact Doc at  or call him at 800-633-7058. Go to NCI’s website at for free information, articles and downloads.

HVAC Testing – When is a System Stabilized?

When measuring and diagnosing the operation and performance of an HVAC system, the timing and measurement are critical. Ideally, the system should be calling for full heating or cooling, and fan speed so it can reach a stable operating condition. Let’s take a closer look at what constitutes stable operating conditions so your test data allows you to accurately diagnose the performance and operation of your systems.

Why is Stability So Important?

What It Takes To Learn a New Diagnostic Skill

YouTube and Google are valuable tools everyone uses to get the information we need right now. However, when it comes to developing new skills you can apply in your profession, there is no replacement for applying yourself to some good old-fashioned study and practice. Let’s take a look at what it takes to add a new diagnostic skill to your long list of talents.

Fan Tables Reveal Airflow Secrets
If I could make a wish, it would be to stand beside every new HVAC tech as they began work on their first system. I would have the fan table taped to the front of the unit and teach the most important task in troubleshooting - to measure the system’s total external static pressure and plot fan airflow.
Consider Writing Your Company History 1
A carefully crafted history helps to attract customers and inspires a sense of dedication in your managers and employees. Let’s take a look at the benefits of writing your company history and consider a few steps to help get you started.
Questions to Ask BEFORE Adding HVAC Services
The sweetest natural tendency in life is to grow. However, the seed must be planted at the right time and under the right conditions. So, before taking a leap of faith by adding a new service to your HVAC business, it may be wise to consider a few valuable questions.
The New Frontier in HVAC System Design
Today, service companies give away their designs, and mechanical engineering firms are trapped in the treadmill of slapping out gigabytes of production PDF plans. Let’s take a look at what premium services are now being offered to build new value into the HVAC system design and the project oversight segment of our industry.
Master Airflow Principles While Leaf Blowing

We live back in the woods on a half-acre with fifteen 100-foot tall oak trees. For years I’ve imagined sharing leaf blowing airflow lessons with my fellow airheads. Let’s take a look at the mad airflow skills you can master while blowing leaves.

Fascinating Statistics

“If you don’t measure, you’re just guessing.” So before you get to work, you’ve gotta know the numbers. Here is the leaf-blowing scenario at our home.

Service Tech and Installer Field Etiquette

Like it or not, etiquette regulates most of the advancement in your career. To a degree, etiquette also controls the quality of your relationships with coworkers and customers. Let's take a look at the fundamentals of HVAC field etiquette most of us forget to consider.

A Little History

An Update on Service Benchmarking

Responses from an article on benchmarking that ran in Hotmail nearly a year ago continue to appear in my inbox. This new field evaluation and test method is being included in progressive service and maintenance agreements throughout the industry. It is proving as beneficial to customers as it is for service companies. Let’s take a look at what we’ve learned about the practice of benchmarking this past year and where it may be headed in the future.

Benchmarking Overview

HVAC Contractors Create a Sustainable Home Performance Business Model
Progressive HVAC service companies are dominating the home performance market — by circumventing traditional channels and building on-going business relationships with customers.
Invisible Repairs Almost Every System Needs

Many needed repairs that improve the performance of almost every air conditioning and heating system are overlooked during routine service calls. Let’s take a look at the most common repairs needed, as recently discovered by evaluating test data from 400 poorly performing systems.

Benefits of Industry Participation Outside of Your Company
The easiest way to participate outside your company is to dip your toe into online forums. Web sites such as provide instant access to some of the best minds and exposure to current HVAC happenings.
A Plea for HVAC Industry Standards Written for Technicians 1

Without the guys in the field, our industry would grind to an immediate halt.

Yet the volumes of industry standards published to lead and guide our industry are written in language, concepts, and formulae that are completely foreign to this critical group of people. Let’s take a look at this group’s plea for practical how-to industry standards written and published for use by the guys in the field. 

Why Maintenance Falls Short on Energy Savings
We all believe we save energy, so let's take a look at some reasons why energy savings are not being realized when typical residential and commercial maintenance programs are offered to our customers.
The Powerful Impact of Mentoring

My typical work day includes heartfelt conversations with both successful and wanting-to-be-more-successful HVAC professionals. As I prepared to write this article over the last few weeks, I recognized the culture of constant mentoring was alive and well in each successful company I spoke with. Let’s look at how mentoring can build stronger and more successful HVAC careers and companies.





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