View, download and print full catalogs, one-page flyers, and technical briefs found below.
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GUSTAFSON G-3® SINGLE WALL ROUND
Gustafson duct and fittings classic collection with nomenclature for both gasketed and nongasketed connections.
GUSTAFSON G-0® SINGLE WALL ROUND – NONGASKETED
Gustafson duct and fittings classic collection with nomenclature for nongasketed connections.
GUSTAFSON HV2 HIGH VELOCITY
Gustafson high velocity duct systems suited for projects featuring space constraints. Renovators seeking an air duct solution while avoiding invasive construction methods benefit from Gustafson’s HV2 product line. This is especially true in historical building renovations.
Technical Briefs/White Papers
RESIDENTIAL DUCT LEAKAGE WHITE PAPER
A recent survey by Contractor’s Magazine indicated that homeowners who had installed a new HVAC system within the past 12 months reported the following: Only 55% were satisfied with their new systems, only 45% said they were comfortable, and 80% of the homes required duct repairs.[READ MORE]
AIR LEAKAGE UPDATE – ASHRAE Overview (2017)
Over the last ten years there has been a major shift in the way ASHRAE has approached air leakage in ductwork. This is reflected in the latest revisions of the following ASHRAE Handbooks and Standards:
• ASHRAE Standard 90.1-2010 Energy Standard for Buildings Except Low-Rise Residential Buildings
• ASHRAE Handbook, HVAC Systems and Equipment (2012), Chapter 19, Duct Construction
• ASHRAE Handbook, Fundamentals (2013), Chapter 21, Duct Design [READ MORE]
THE EFFICIENCY IN ROUND
Originally published in October 2015 issue of Engineered Systems
According to a study conducted by Lawrence Berkeley National Laboratory for the Department of Energy (DOE), duct leakage is the leading cause of energy inefficiencies in commercial buildings. On average, duct leakage wastes 28.6 billion kw-hrs of electricity per year and costs U.S. building owners nearly $3 billion annually. These startling statistics make it imperative that duct systems move air to every VAV box quietly and efficiently to reduce energy consumption and leakage rates. [READ MORE]
THE IMPACT OF DUCT LEAKAGE – White Paper
Air duct leakage should be a concern to both the design engineer and the building owner because of its potential impact on the initial construction costs, energy usage, and system performance.
Every duct system requires power. Power drives the fan or blower unit needed to move the air over or through the resistance elements and power operates the compressor or heating elements depending on the desired function. No matter the size, the total benefit of the duct system is based and measured on the peak fan efficiency for that system. [READ MORE]
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