Duct leakage - Articles - Page 3

Chilled Beams and Duct Leaks in HVAC systems

January 22, 2018

For those interested in energy-efficient buildings, chilled beam technology is rapidly gaining the attention here in the U.S. that it has long enjoyed elsewhere around the globe.

National Comfort Institute Summit Focuses On Air Upgrades

Contractors learn sales and installation techniques

Joanna R. Turpin

May 29, 2017

The National Comfort Institute Inc.’s (NCI) mission is to help its members implement HVAC and home-performance contracting through easy-to-use strategies. That mission was accomplished at its recent annual summit, where the focus was on the best practices involved with selling and installing air upgrades.

Duct Dynasty: Designing the Ideal Duct System

An outline of how duct systems should be designed, fabricated, and assembled

David Richardson

November 28, 2016

Instead of focusing on the poor work our industry has been plagued with, we decided to dream about how an ideal duct system could be built.

Airflow will always take the path of least resistance.

Duct Dynasty: Five Rules to Know About Airflow

Airflow is one of the most misunderstood aspects of an HVAC system

David Richardson

July 18, 2016

To understand airflow, one must have a firm grasp of the rules driving its characteristics and behaviors. Many of the most complicated issues a tech encounters often tie to an airflow problem, so let's look at five airflow rules that can help anyone in the industry master the airside of the profession.

Commercial Buildings Are Leaking

Kyle Gargaro

June 13, 2016

HVAC contractors are always looking for a way to differentiate themselves. Addressing duct leakage is a big opportunity. This is something building professionals are concerned about, so it should be an area of focus for contractors.

Duct Sealing Technology Featured on PBS’s This Old House

Jim Moulison of Bright Star Heating Supply Co. demonstrates advantages of Aeroseal

May 25, 2016

The use of Aeroseal duct sealing technology to improve the energy efficiency and IAQ of a newly constructed home was featured on the PBS TV show This Old House.

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: Air Leakage, Two-story Cooling Problems

To Control Air, You Must Contain it

David Richardson

August 4, 2014

These temperature-related issues are often corrected simply by renovating the duct system to cure duct leakage and air-balancing issues, which created pressure-related problems in the building. There are instances, though, when you can have the perfectly designed and installed HVAC system and these temperature complaints still exist.

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?

DOE: Leaky Ducts are Top Energy Waster

Sealing Ductwork Can Improve IAQ, HVAC System Performance, Occupant Comfort

Jen Anesi

October 21, 2013

The average home’s ductwork leaks 30 percent or more. And while some model building codes now require duct-leakage testing and sealing, there is still a significant amount of work to be done — and a significant amount of energy to be saved.