Ductwork - Articles - Page 11

Cornell Tech Passive House Turns To Duct Sealing Innovation

February 19, 2018

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

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.

Btu Buddy 173: Sweating Duct System

Bill Johnson

August 21, 2017

Bob and Tim are at a new customer’s job site. It’s an older, free-standing restaurant, and the complaint is that the ductwork is dripping water into the customers’ food.

Duct Dynasty: A Closer Look at Combustion Air

Verifying installations is the key to combustion air performance

David Richardson

July 31, 2017

To understand the operation of combustion air openings, it’s a good idea to review some airflow basics. For airflow to move through a duct, there must be a pressure difference across it created by an external source. Traditional installations depend on natural forces to create this pressure difference.

The Scoop on Branch Duct Takeoffs

How to overcome the most common problems

David Richardson

April 24, 2017

A few months ago, I wrote a Duct Dynasty article on the ideal duct system. The most frequent comments and questions I received about this article were regarding branch takeoffs. So, I thought it would be fun to take a deeper look at branch duct takeoffs and how to overcome some of the most common problems associated with them.

Kingspan Insulation Ltd.: Ductwork System

February 27, 2017

This advanced and innovative pre-insulated HVAC ductwork system offers benefits, such as reduced installation time, low weight, space savings through flush-to-ceiling installation, increased performance, and energy efficiency. Ductwork fabricated from the Kingspan KoolDuct system can be installed indoors, outdoors, and concealed above false ceilings and below raised floors.

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.

DuctSox: Fabric Ductwork

November 28, 2016

This round, overhead, and porous fabric HVAC duct system distributes a large volume of air into data center cold aisles with low 400-feet-per-minute velocities that don’t upset critical equipment intake and exhaust or room return air containment balances.

ACCA Launches New Duct Diagnostics and Repair Online Training Program

Properly functioning duct system is critical to the comfort of homeowners

November 1, 2016

ACCA has launched its newest online certificate program, Qtech: Duct Diagnostics and Repair. Through Qtech, contractors can offer their employees on-demand training in quality HVACR installation, maintenance, home performance, and other areas.

Armacell’s AP Armaflex protects against condensation and reduces the possibility of mold or any other bacteria or microbial growth on the insulation in this chilled water system.

Efficiency Codes, Standards Drive Green Ductwork Trend

'Green ductwork' emerging as industry buzzword

September 19, 2016

Depending on who you’re talking with, the phrase "green ductwork" can mean different things, though most agree it typically encompasses recycled materials, various IAQ elements, duct-sealing products, and more.