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.

How to Verify Heat Pump Heating Btus in Five Steps

Try these steps the next time you have a heat pump that isn't performing well

David Richardson

October 25, 2021

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There is a way to check the heat pump system charge on the airside that is quick and easy.

Four HVAC Tests and Solutions to Improve Sleeping Conditions

Airflow, refrigerant charge, poor airflow, and more can affect sleep conditions negatively

David Richardson

September 28, 2021

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HVAC is more than blowing cold and hot air — your systems affect the health of your customers. Wouldn’t you sleep better knowing your customers are also sleeping well?

Does the HVAC Industry Help People Sleep Better?

The temperature of your room can have a massive impact on your sleep quality and health

David Richardson

August 17, 2021

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Lack of comfort is a highly overlooked reason for poor sleep. Most people don't know that inadequate rest is a leading cause of various medical problems.

Five Lessons from an Automobile Dealership for Newer HVAC Technicians

Do you offer excuses or results when customers have an annoying service issue?

David Richardson

July 25, 2021

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Your customers just want their problems fixed. Do you offer excuses or results?

How Central Return Grilles Create Unintentional Comfort Problems, and How to Solve Them

Extensive supply duct systems with registers in each room can cause comfort issues

David Richardson

July 8, 2021

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In the end, it's about airflow control. Unless your solution involves airflow and pressure measurement, you're guessing whether the repair worked.

HVACR Contractors Can Learn a Ton from Equipment Cooling Capacity Tables

Equipment tables contain important information for installation and service

David Richardson

May 13, 2021

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Don’t assume equipment capacity or conditions. Instead, do some digging and find the tables for the equipment you install and service.

Three HVAC System Vital Signs That Help You Identify Unhealthy Systems

Catch the system problems prematurely

David Richardson

April 22, 2021

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Poorly installed HVAC systems work twice as hard as they should and suffer from a wide variety of invisible health problems.

Benefits of a Residential Air Balance Report

These reports help the contractor to stand out to customers

David Richardson

March 31, 2021

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

Advice from Ben Franklin to Help Your Static Pressure Measurements

How many hoses should you use with your manometer?

David Richardson

February 11, 2021

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

Measure System Temperatures to Diagnose Uncomfortable Rooms

Advice for when HVAC equipment isn’t heating properly

David Richardson

January 11, 2021

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

Homeowner concerns with the health of the air their families breathe have never been more significant. Ever-more tightly built homes are energy efficient but don’t allow for natural air changes experts now understand that improving ventilation is an important strategy to reduce the number of viruses and other unhealthy particles in our homes. This session will cover ventilation fan basics, including powerful yet quiet spot ventilation for bathrooms and kitchens, a brief look at ventilation codes and standards, and the three types of whole-home ventilation, along with the pros and cons of each.

Did you know that high GWP refrigerants will be phased down in the U.S.? This webinar will focus on one of the leading HFC alternatives, R-454B (Opteon™ XL41), which is replacing R-410A in HVAC applications.