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.

Measure Static Pressure in Six Simple Steps
Many of the responses to my last article about how to balance a residential HVAC System, asked about static pressure measurement, so let's stick with the basics and take a look at how to measure residential static pressure in six simple steps.
How to Balance a Residential HVAC System
Let's take a look at the basics of simply balancing a residential HVAC system.
How and Why to Benchmark the Systems You Service
Let's look at how you can apply the surveyor's principle of benchmarking to add a new level of diagnostics to the HVAC systems you sell and service.
Economizer Airflow Measurement Principles

When it comes to measuring economizer airflow there are two distinct groups; the believers and non-believers. But it can be done.

The Curious Captain CO – Jim Davis
Read about what drives 'Captain CO,' and what principles he brings to all who will listen.
How Well Does This Heating System Work?
Your customers are wondering how well their heating system will work this year. The question is; can you answer that question truthfully? With all the changes coming our way in the industry, it may be time to take another look and redefine what is and what isn’t a working system.
Which is Most Important: The Efficiency of Equipment, Ducts, or the System?
Most proposals feature increased equipment efficiency ratings as the most critical component of the sale. But is this correct? What if you could rate the performance of the installed system and prove something very different?
Top 10 Rob 'Doc' Falke Articles Essential to Service Technicians
Rob ‘Doc’ Falke's articles give a hands-on approach to solving issues like exhaust fan pressure measurement to oversized equipment. Here's 10 of his best.
Fan Belt Sizing

When you adjust a pulley to squeeze a little more air out of a belt-driven fan, there are times you’ll find the old belt no longer fits. Let’s take a look at a few formulas and tips that can assure your success and make this system upgrade painless for you.

The One Hour Infomercial Sales Call

I received lots of feedback from the last Hotmail article about a contracting company that has sustained a 90% closing rate over the last decade. The reason for the unprecedented sales success is the company’s practice of engaging every customer in very simple HVAC system testing and diagnostics. Let’s take a closer look at this simplified testing and what it can do for your customers.

What Constitutes a Killer Sales Call?

Think back to your favorite HVAC system sale. It was kind of magical, right? Have you been able to repeat that magic over and over again? Let's take a look at a few principles that, if applied, can skyrocket your closing rates and take you back to that magic feeling you had after your favorite “killer” sale.

A Timeless Sales Strikeout
I often refer consumers to one of the many HVAC contractors I know and have trained. Oftentimes those consumers call me back, either to gripe or to rave. Here's a look at what has caused some salespeople to hit home runs while others are striking out.
Efficiency Beyond the Yellow Sticker

When you sell 18-SEER rated equipment, it’s a good thing. Let’s take a look beyond the yellow sticker and see how you can double the efficiency offering to your customers by assuring system efficiency matches equipment efficiency. Emerging technology provides you access to new opportunities for both you and your customers.

New Technology

How to Measure Commercial System Efficiency

It’s just not fair. Some contractors have a distinct advantage in the marketplace over their competitors; they ruthlessly and knowingly measure the live operating efficiency of HVAC systems. With the knowledge they gain, they diagnose and prescribe solutions to system defects that others don’t even know exist. Their prices are much higher and the efficiency of their systems far exceeds their competition. Let’s take a look at why the gap between everyday HVAC contractors and Performance-Based contractors is widening.

Best of Rob ‘Doc’ Falke

Rob ‘Doc’ Falke has been writing articles for the Hotmail newsletter for quite some time. His technical knowledge and expertise have filled his articles with information that contractors use for reference and continue to come back to to read, even months or years after it’s been published. Below is a collection of ‘best-of’ articles for your reference and enjoyment!


Apr 21, 2016

Comfortech 365

If you're trying to run a profitable contracting business, you need to "attend" this online event!...More
May 12, 2015

How to GET and KEEP More of the Business You Want

It costs $1 to keep a customer, $7 to get a new one. Attend this webinar and learn how you can you keep more of the business you have, improve close ratios and manage your business more effectively and efficiently....More


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