duct systems

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Diverse types of ductwork for duct sealing.

Duct Sealing, Insulation Provide Efficiency Increases

How to push real-world efficiencies closer to laboratory levels

Angela D. Harris

August 6, 2020

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This time, the conversation turns to duct sealing and what it means in terms of system efficiency and energy savings.

NADCA President Talks Coronavirus, Duct Cleaning and the Recent NADCA Annual Meeting

Mark Zarzeczny shares thoughts with podcast listeners

March 25, 2020

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The ACHR NEWS interviewed Mark Zarzeczny, NADCA president, about the impacts of COVID-19 on the HVAC industry and duct cleaning services.

Pfizer Finds $35,000 Energy Savings Through Pilot Duct Sealing Project

Measured results confirm savings potential of duct sealing

November 11, 2019

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Pfizer knew that much of the existing ductwork serving the various buildings would have to be incorporated into the upgrade plans.

10 Factors That Determine Duct System Performance

Here’s how to make sure duct systems are working at their highest potential

David Richardson

May 27, 2019

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Paying attention to these 10 factors will ensure that customers get the highest possible comfort and efficiency.

RGF Environmental Group Inc.: In-Duct Air Purifier

October 29, 2018

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New Duct Sizing Calculator Available

January 9, 2017

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The calculator includes fields for 4, 15, and 30 percent compression in flexible ducts.

A CHILL IN THE AIR: Pressure imbalances can lead to doors mysteriously closing and the random uncomfortable room.

Duct Dynasty: The Ghost in the Duct System

A festive look at the HVAC horror stories plaguing your customers’ homes

David Richardson

October 26, 2015

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Since Halloween is right around the corner, I thought it would be a perfect time to take a look at some of the ghosts in duct systems that are often tracked down by progressive HVAC companies. Some of these issues are directly caused by the duct system itself while others are an indirect result of its influence.

AQC Industries LLC: Exterior Duct System

September 21, 2015

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The Q Duct Outdoor Preinsulated Duct System is engineered for exterior and rooftop applications.

The building side of the duct system, including the quality of the insulation, directly impacts customer comfort.

Duct Dynasty: Surface Temperatures; Customers’ Comfort

You Must Adequately Consider the Building Side of the System

David Richardson

November 10, 2014

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One of the primary measurements customers use to gauge comfort is the room temperature shown on the thermostat. If the number falls within an acceptable temperature range, the individual should be comfortable, right? Not quite. Could there be other factors at play here that are influencing their comfort that you might be missing?

This bedroom was under a negative pressure with the conditioned space manual damper closed off. This negative pressure was leading to uncomfortable conditions that only existed when the door was shut.

Duct Dynasty: The Building Side of the Duct System

Considering Airflow Outside of Sheet Metal

David Richardson

June 9, 2014

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If you’re reading this article in a building that has a forced-air HVAC system in it, you’re sitting inside the duct system right now.

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Sensi Predict Transforming HVAC with Fault Detection

Contractors are looking for difference makers to win jobs and become more efficient with resources especially the precious commodity of time. This webcast will review the tools now available to ensure a quality installation reducing callbacks and the advancements in fault detection technology presented in Sensi Predict.

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