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David Richardson

David Richardson

David Richardson serves as a curriculum developer and trainer at the National Comfort Institute (NCI). NCI specializes in training focused on improving, measuring, and verifying HVAC and building performance. Contact him at 800-633-7058 or at davidr@ncihvac.com.

Articles

ARTICLES

Air Balance Report.

Benefits of a Residential Air Balance Report

These reports help the contractor to stand out to customers

David richardson

David Richardson

March 31, 2021

An air balance report helps you stand out and says volumes about your company, design methods, installations, and results.

Manometer tubes.

Advice from Ben Franklin to Help Your Static Pressure Measurements

How many hoses should you use with your manometer?

David richardson

David Richardson

February 11, 2021

Let’s answer a common static pressure question — how many hoses should you use with your manometer?

Measure System Temperatures.

Measure System Temperatures to Diagnose Uncomfortable Rooms

Advice for when HVAC equipment isn’t heating properly

David richardson

David Richardson

January 11, 2021

Let’s look at how you can use a return grille and supply register temperature measurement to uncover one source of uncomfortable rooms.

Checking Furnace Heating Output.

Check Furnace Heating Output in Four Steps

Tips for figuring out common causes when furnaces don’t maintain comfort

David richardson

David Richardson

November 27, 2020

Let’s explore how to check furnace heating output in four steps and see what clues it provides.

Give Your Problems Soaking Time When Trying to Solve Them

Some of our best ideas come when we aren’t planning for them

David richardson

David Richardson

November 8, 2020

Have you ever run into a complicated problem you couldn’t figure out? Then, after you thought about it a while, the answer appeared like magic.

Six Tips to Improve Static Pressure Measurements

Technicians can overcome frustration and doubt when learning this new skill

David richardson

David Richardson

September 20, 2020

There are many technicians who have been measuring static pressure for a long time, and they have tips to make your life easier.

Restrictive Duct System Test

One Simple Test to Discover Restrictive Duct Systems

Duct systems are a critical system is often overlooked

David richardson

David Richardson

August 18, 2020

A duct system is the part of an HVAC system that most homeowners don’t consider, yet it determines how well their equipment works.

Five Timeless Indoor Air Quality Principles You’ll Use Daily

Five Timeless Indoor Air Quality Principles You’ll Use Daily

These principles result in success when you use them together correctly

David richardson

David Richardson

July 22, 2020

Customers are now more aware of their HVAC systems and the air it circulates.

Set Outside Airflow with Fan Law Two

Set Outside Airflow with Fan Law Two

Adjusting outdoor duct just requires a little math

David richardson

David Richardson

July 2, 2020

With two airside measurements and a little math, you can test and even adjust an outside air duct in a few minutes.

Add the Airside to Your Start-Ups

Add the Airside to Your Start-Ups

Don’t forget vital steps in haste to get job done

David richardson

David Richardson

June 10, 2020

Adding the airside to an equipment start-up doesn’t have to be hard.

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