Duct testing - Articles - Page 3

Pat Brooks Retiring from Ductwork Engineering Industry

After over 40 years of designing and researching ductwork systems, engineer Pat Brooks is closing out his unfinished projects and retiring.

Austin Keating

April 25, 2023

When asked what the most rewarding part of his career is, Brooks said “I like helping sheet metal contractors solve problems.

NADCA Announces New Leadership at Annual Meeting and Expo

April 6, 2023

Colin Trudo and Tyler Batchelder are NADCA's newest Board members. NADCA introduced April Yungen as its newest elected (and first female) President & Chairwoman of the Board.

Duct Cleaners Gather in New Orleans for 34th Annual Meeting

Slideshow: Owner proprietors along with their employees learn about the latest technologies and techniques to improve their duct cleaning businesses.

Austin Keating

March 29, 2023

Slideshow: The National Air Duct Cleaning Association annual meeting in New Orleans at the end of March delved deep into the cleaning business with a focus on keeping up the demand momentum for the service from COVID-19.

New 'Nominal Installed Airflow' Better Represents the Real-World Performance of Kitchen Range Hoods

Home Ventilating Institute (HVI) and the Association of Home Appliance Manufacturers (AHAM) release data on duct termination fitting (DTF) performance.

Austin Keating

March 15, 2023

The project consisted of sourcing, testing, and analyzing results for 36 unique DTFs to establish accurate DTF loss coefficients for determining the NIA.

Do Your HVAC Systems Pass the Taste Test?

David Richardson

August 12, 2022

Sometimes HVAC installations don’t deliver the intended results. Is it possible they’re missing ingredients, using a faulty recipe, or a combination of both?

One Simple Test to Discover Restrictive Duct Systems

Duct systems are a critical system is often overlooked

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.

International Code Council Removes Exception for Duct Leakage Tests

Industry groups oppose broader testing and the specified method

Robert Beverly

April 6, 2020

The ICC passed a proposal that will require more duct testing in an effort to combat duct leakage, conserve energy, and reduce utility bills.

Duct Dynasty: Residential Duct-leakage Testing

A properly executed duct-leakage test reveals a lot about an HVAC system’s health

David Richardson

June 15, 2015

Many professionals are wondering exactly what’s involved in this test, the equipment that’s needed, third-party testing, and how to pass these tests. Let’s take a look at some of the basics for residential duct-leakage testing.

Nov. 13, 2014: BPI Introduces Certification for Duct and Envelope Tightness Testing Verification

Provides Credential for IECC Compliance Testing

November 13, 2014

The Building Performance Institute Inc. (BPI) has announced the introduction of its Infiltration and Duct Leakage (IDL) certification, a task-oriented credential that verifies a candidate can successfully conduct air infiltration and duct leakage tests to the ASTM E1554-07 standard.

Duct Dynasty: Using Duct Surface for Leakage Testing?

Simple Testing Isn’t Always the Most Accurate

David Richardson

January 6, 2014

Are we using the most accurate metrics for determining duct leakage in a residential duct system? Would this be the best metric to use for quantifying duct leakage in residential duct systems?