Monthly Download

EBT-Micromanometer-ProcedureA micromanometer measures pressure, and calculates velocity and volumetric flow rate. It can be used with Pitot tubes to measure velocity and then calculate flow rates with user’input duct size and shape. In the March 2018 Tech Tip download, we provide a 14-point checklist on how to set up the micromanometer and use it correctly when performing duct traverses.

Keep this Tech Tip handy as a printout or on your phone as a reference tool out in the field.

Go to to download this Tech Tip item.

By registering for free on NCI’s website, access this download and many more. Be sure to register today.


Rob Falke, President, National Comfort Institute (NCI)HVAC Ethics and Customer Relations

The March 2o18 management blog post is from Rob “Doc” Falke. Doc always talks about the the vital importance of adhering to the laws of physics when designing, installing, and servicing HVAC systems. In this post,’ he discusses the laws of ethics that also are vitally important and have a large impact your HVAC business.

Read his blog here:

David Richards, NCIVisual Clues of Discomfort

Many homeowners across the U.S. live in uncomfortable conditions. Sadly, most are convinced it’s normal. As an HVAC contractor, there are some common steps you can take to deal with their discomfort, and make conditions much more bearable.

In March 2018 we feature a blog post from David Richardson who explains that if you know what to look for, you can easily see the signs. Here’s his’ opinion on the most common visual clues of discomfort and how you can help customers resolve those issues.

Read it here:

Online University

National Comfort Institute, Inc. Online University

Featured this March is the Introduction to Carbon Monoxide (CO) module of the Online University’s Advanced Technical training.

This course will help you to better understand the characteristics of carbon monoxide and the symptoms of CO poisoning? Do you know at what levels does carbon monoxide become life threatening and what you should do if you encounter it?

Find out the answers to these questions and many more in this introductory program.

Read more here:


There’s An App for That …

EngineeringCookboookAppThere are so many mobile apps geared toward HVAC contractors. The question is, which ones are worth your time? Answer: Not all of them for sure.

NCI’s David Richardson has found a number that make great sense for the Performance-Based Contracting’ community and we present those here.

The March 2018 app is the Loren Cook Engineering Cookbook. It is a free reference guide for mechanical designers. It provides quick access to frequently needed information, including: Fan Basics, System Design, Duct Design, Motors & Drives, Heating & Refrigeration, and Formulas & Conversion Factors.

Loren-Cook Co. designs and manufactures fans, blowers, vents, laboratory exhaust systems, and energy recovery ventilators.

The app is available in both iOS and Android formats.