ductwork

Items Tagged with 'ductwork'

ARTICLES

Compressor failure - cracked piston. - The ACHR News

Sleuth the Truth Behind Compressor Failure

For contractors and customers alike, the biggest mistake can be taking breakdowns at face value

Robert Beverly

March 18, 2019

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The weird thing about compressor problems is that — well, it’s usually not the compressor.

It’s probably something else. Can the technician on the job today figure out what that something else is? That could determine whether it’s a successful call and a happy customer or a visit that appears successful until the new compressor fails (after several additional costs and a lot of frustration).

Duct Leakage Is Tricky Business

It’s complicated, so contractors need to make sure they are educated

Robert Beverly

August 20, 2018

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As common as the duct leakage problem is, it’s also very easy to go in with less-than-adequate knowledge for solving the problem in customers’ homes due to all the possible variables in play.

Follow These Three Vital Steps to Properly Resize a Duct System

David Richardson

July 2, 2018

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In order to understand the foundational principles of duct sizing, a thorough study of ACCA Manual D is a great place to start.

Mitsubishi Electric US Inc. Cooling & Heating Division: Ducted Air Handler

June 18, 2018

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This air handler is energy efficient, easy to install, and flexible in its application. What sets the SVZ apart from other models is its one-to-one configuration and smaller footprint.

Estimate Room Airflow in Six Steps - ACHR

Duct Dynasty: Estimate Room Airflow in Six Steps

Get your customers engaged by including them in the process

David Richardson

May 28, 2018

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Several months ago, I wrote a Duct Dynasty article titled “Four Steps to Optimize a Duct System.” Since then, I’ve received numerous requests to expand on the simple calculations I mentioned that can help you estimate room airflow with a customer’s input.

Diagnose, Solve, and Improve Ventilation

Contractors educate homeowners on the role IAQ plays in their health, comfort

Samantha Sine

May 14, 2018

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Poor ventilation leads to water damage, mold, and other issues in the home that cause respiratory problems, allergies, and other illnesses for the occupants.

Don’t Forget About the Ductwork

Brendan Reid

April 30, 2018

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If the fact that the latest U.S. Department of Energy (DOE) and Energy Star programs now require a whole-system approach to HVAC installation and maintenance is any indication…

Study Addresses Interior Ductwork Contribution to Home Energy Loss

Comfort Institute

March 5, 2018

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Comfort Institute released finding from a new study that indicates leaks in ductwork located in conditioned space can have a significant impact on energy savings. The study, conducted by Comfort Institute in combination with the Greater Cincinnati Energy Alliance (GCEA), showed that the amount of conditioned air seeping through the building envelope and escaping to the outside of the home was reduced by an average of 11.4 percent after the ducts were effectively sealed.

Cornell Tech Passive House Turns To Duct Sealing Innovation

February 19, 2018

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Completed in 2017, The House at Cornell Tech is the world’s largest building to meet Passive House criteria, the strictest international standards for building performance and energy efficiency. At the heart of the building’s unique Passive House design is an HVAC system designed to provide exceptional comfort and indoor air quality for a fraction of the residents’ usual energy costs.

Midwest Tool & Cutlery Co.: Flex Duct Knife

February 12, 2018

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This knife is designed for cutting flexible duct and duct board with a contoured wooden handle for comfortable use. It has a full tang and solid stainless-steel rivets for long-lasting durability.