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Sealed and Insulated Metal Ducts

Guide describing how to air seal and insulate metal ducts.

Sealed and Insulated Flex Ducts

Guide describing how to air seal and insulate flex ducts.

Sealed and Insulated Fiber Board Ducts

Guide describing how to air seal and insulate fiber board ducts.

Pull the insulation and outer liner of the flex duct over the collar to come in full contact with the liner and insulation of the trunk line or fitting and tape in place

Right – An insulated space is provided in the home’s attic to house the HVAC equipment.

Publication Date

Mon, 09/30/2019 - 12:00

Seal all joints and seams in the metal ductwork with mastic before installing insulation

A nylon draw band and tensioning tool are used to secure the inner coil of the pre-insulated flexible duct

Publication Date

Wed, 11/21/2012 - 12:00

A nylon draw band and tensioning tool are used to secure the inner liner of the pre-insulated flexible duct

When wrapping metal ducts with insulation allow two inches of overlap and staple along the seam with outward clinching staples

To attach the flex duct to a main trunk duct or any other connection, the flex duct is pulled over the connecting collar at least 2 inches past the raised bead, then the insulation is pulled back

Compact Buried Ducts in a Hot-Humid Climate House

Author(s)

Mallay David

Organization(s)

Home Innovation Research Labs,

HIRL

Publication Date

January, 2016

Report on heating and cooling air-distribution ducts that are insulated, installed close to the ceiling in a vented attic and covered with attic insulation to minimize energy loss.

High Performance Builder Spotlight: Cobblestone Homes

Author(s)

Pacific Northwest National Laboratory

Organization(s)

PNNL

Publication Date

January, 2011

Case study describing a new home construction project in the cold climate.

High Performance Builder Spotlight: Baldwin Homes Inc.

Author(s)

Pacific Northwest National Laboratory

Organization(s)

PNNL

Publication Date

January, 2011

Case study describing a new home construction project in the mixed-humid climate.

High Ridge Custom Homes: Mixed, Humid Climate Region

Author(s)

Steven Winter Associates

Organization(s)

CARB,

SWA

Publication Date

February, 2009

Case study describing a building project in the mixed-humid climate zone.

GreenCraft Greenspoint House Prototype

Author(s)

Building Science Corporation

Organization(s)

BSC

Publication Date

February, 2009

Case study describing a building project in the mixed-humid climate zone.

Baxter Community - High Performance Green Building

Author(s)

Building Science Corporation

Organization(s)

BSC

Publication Date

February, 2009

Case study describing a building project in the mixed-humid climate zone.

Builders Challenge High Performance Builder Spotlight: Palm Harbor Homes - Bimini II, Plant City, FL

Author(s)

U.S. Department of Energy

Organization(s)

DOE

Publication Date

May, 2008

Case study describing a building project in the hot-humid climate zone.

Builders Challenge High Performance Builder Spotlight: Rural Development Inc., Turner Falls, Massachusetts

Author(s)

U.S. Department of Energy

Organization(s)

DOE

Publication Date

January, 2008

Case study describing a building project in the cold and very-cold climate zones.

Mercedes Homes: Hot, Humid Climate Region 40+% Energy Savings

Author(s)

Steven Winter Associates

Organization(s)

CARB,

SWA

Publication Date

August, 2009

Case study describing a building project in the hot-humid climate zone.

Show Home Targets Energy Efficiency in Hot-Humid Climates

Author(s)

U.S. Department of Energy

Organization(s)

DOE

Publication Date

November, 2004

Case study describing the New American Home project.

Builders Challenge High Performance Builder Spotlight: Ferrier Custom Homes, Dallas, Texas

Author(s)

U.S. Department of Energy

Organization(s)

DOE

Publication Date

October, 2009

Case study describing a building project in hot-dry and mixed-dry climates.

Existing Whole-House Solutions Case Study: Retrofit of 1915 Home, Dayton, Washington

Author(s)

Pacific Northwest National Laboratory

Organization(s)

PNNL

Publication Date

December, 2011

Case study describing an energy efficient renovation in the cold climate.

New Whole-House Solutions Case Study: Habitat for Humanity Palm Beach County, West Palm Beach, Florida

Author(s)

Pacific Northwest National Laboratory

Organization(s)

PNNL

Publication Date

November, 2011

Case study describing a new building project that partnered with Habitat for Humanity.

Struever Bros. Eccles & Rouse: Mixed, Humid Climate Region 40+% Energy Savings

Author(s)

Steven Winter Associates

Organization(s)

CARB,

SWA

Publication Date

August, 2009

Case study describing a building project in the mixed-humid climate zone.

The New American Home 2011 Orlando, Florida

Author(s)

IBACOS,

National Renewable Energy Laboratory

Organization(s)

IBACOS,

NREL

Publication Date

December, 2010

Case study describing innovative technologies, construction techniques, products, and design trends in new home construction.

Veridian Homes: Cold Climate Region 40+% Energy Savings

Author(s)

Steven Winter Associates

Organization(s)

CARB,

SWA

Publication Date

August, 2009

Case study describing a retrofit project in the cold and very-cold climate zones.

Best Practices Case Study: Devoted Builders, LLC, Mediterrtanean Villas, Pasco,WA

Author(s)

Pacific Northwest National Laboratory

Organization(s)

PNNL

Publication Date

December, 2010

Case study describing a building project in the cold and very-cold climate zones.

Existing Whole-House Solutions Case Study: Green Home Solutions by Grupe, Lodi, California

Author(s)

Pacific Northwest National Laboratory

Organization(s)

PNNL

Publication Date

September, 2009

Case study describing a retrofit project in the hot-dry and mixed-dry climate zones.

New Whole-House Solutions Case Study: Heritage Buildings, Inc., and Energy Smart Home Plans, Leland, North Carolina

Author(s)

Pacific Northwest National Laboratory

Organization(s)

PNNL

Publication Date

October, 2012

Case study describing a new construction project in North Carolina.

Existing Whole-House Solutions Case Study: Habitat for Humanity South Sarasota County, Venice, Florida

Author(s)

Pacific Northwest National Laboratory

Organization(s)

PNNL

Publication Date

November, 2011

Case study describing a deep energy renovation of a home in Florida.

New Whole-House Solutions Case Study: Paragon Homes: Mixed, Humid Climate Region 40+% Energy Savings

Author(s)

Steven Winter Associates

Organization(s)

CARB,

SWA

Publication Date

August, 2009

Case study describing a building project in the mixed-humid climate zone.

New Whole-House Solutions Case Study: Project Home Again Phase I

Author(s)

Building Science Corporation

Organization(s)

BSC

Publication Date

February, 2009

Case study describing a building project in the hot-humid climate zone.

New Whole-House Solutions Case Study: Lancaster Live/Work Townhome Prototype

Author(s)

Building Science Corporation

Organization(s)

BSC

Publication Date

April, 2010

Case study describing a building project in the marine climate.

Assembled section of fiber board duct

Publication Date

Fri, 01/11/2013 - 12:00

Use only Underwriters Laboratory UL-181 approved tape

The tape is covered with mastic to ensure an airtight seal between the duct and the fitting

Fiber board sheets are available with pre-cut shiplapped ends

After securing the inner coil, cover the draw band and the seam with a generous amount of mastic

Collars that are specifically made for flexible duct have a raised bead to prevent the duct from slipping off

Fiberglass duct board typically comes in sheets 4 foot wide by 10 foot long

New Whole-House Solutions Case Study: Tommy Williams Homes: Longleaf Village & Belmont, Gainesville, FL

Author(s)

Pacific Northwest National Laboratory

Organization(s)

PNNL

Publication Date

April, 2012

Case study describing a production builder that achieves HERS scores of 60, compared to 85 for other builders that build new homes to Florida code.

Two pieces of flex duct are spliced together with a metal sleeve, nylon draw bands, mastic, metal tape, and more mastic

Seal seams in fiber board ducts with out-clinching staples, UL-181A-approved tape, and mastic

Hand tools for cutting fiber board sheets include a knife, straight edge, and color-coded edge-cutting tools

Existing Whole-House Solutions Case Study: Habitat for Humanity of Palm Beach County, Lake Worth, Florida

Author(s)

Pacific Northwest National Laboratory

Organization(s)

PNNL

Publication Date

January, 2012

Case study describing an energy efficient retrofit project in hot-humid climates.

Cut fiber board with a red V-groove tool and a gray shiplap tool to create mitered corners and a shiplapped edge for duct sections

Burch Jay,

Merrigan Tim,

Ong Sean

Organization(s)

National Renewable Energy Laboratory,

NREL

Publication Date

July, 2013

Report investigating performance and energy savings potential of heat pump water heaters.

Strategies for Energy Efficient Remodeling: SEER 2003 Case Study Report

Author(s)

Drumheller S Craig,

Wiehagen Joseph

Organization(s)

NAHB Research Center,

National Renewable Energy Laboratory,

NREL

Publication Date

November, 2004

Report providing information based on research and case studies, to remodelers and consumers about opportunities to increase home energy performance.

Whole-House Design and Commissioning in the Project Home Again Hot-Humid New Construction Community

Author(s)

Kerrigan Philip

Organization(s)

Building Science Corporation,

BSC,

National Renewable Energy Laboratory,

NREL,

U.S. Department of Energy,

DOE

Publication Date

September, 2012

Report describing work conducted by the Building Science Corporation (BSC) Building America Research Teams Energy Efficient Housing Research Partnerships project.

Building America Case Study Technology Solutions for Existing Homes: Concord Four Square Retrofit

Author(s)

Building Science Corporation

Organization(s)

BSC

Publication Date

January, 2012

Case study describing a four-square Concord home retrofitted by Building Science Corporation in Massachusetts.

DOE ZERH HIA 2014 Case Study: Imery Group Proud Green Home, Serenbe, GA

Author(s)

Pacific Northwest National Laboratory,

U.S. Department of Energy

Organization(s)

PNNL,

DOE

Publication Date

April, 2014

Case study describing the first DOE Zero Energy Ready Home in Georgia that achieved a HERS score of 40 without PV and -10 with PV.

Existing Whole-House Solutions Case Study: Historic Home in Eastern Washington

Author(s)

Pacific Northwest National Laboratory

Organization(s)

PNNL

Publication Date

December, 2011

Case study describing a cost-effectively reducing energy use by over 50% in an existing home.

DOE ZERH HIA 2014 Case Study: M Street Homes, Smartlux on Greenpark Houston, TX

Author(s)

Pacific Northwest National Laboratory,

U.S. Department of Energy

Organization(s)

PNNL,

DOE

Publication Date

September, 2014

Case study describing a DOE Zero Energy Ready Home 2014 Housing Innovation Award winner that scored HERS 45 without PV and 32 with PV and is the first home in the world to use a tri-generation system to supply electricity, heating, and cooling on site.