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The main trunk line of the ducts runs within an insulated duct chase installed in a notch designed into the roof trusses that runs the length of the home to provide supply air directly to most of the home’s ceiling registers.

Publication Date

Wed, 01/01/2014 - 12:00

Publication Date

Mon, 01/01/2018 - 12:00

Guide describing method for installing ducts in a duct chase above a dropped ceiling.

Guide for designing and installing interior ducts in an interstitial floor cavity in new and existing homes.

Guide describing how to air-seal duct and flue shafts.

Guide describing how to increase insulation in existing homes by installing batt insulation on the ceiling plane of a vented attic.

Author(s)

Pacific Northwest National Laboratory

Organization(s)

PNNL

Publication Date

December, 2009

Case study describing new home construction in the hot-humid climate, optimizing thermal enclosure, HVAC, water heating and lighting measures.

Author(s)

Pacific Northwest National Laboratory

Organization(s)

PNNL

Publication Date

April, 2012

Case study describing a home builder that has refined its home designs to achieve HERS scores of 49 to 56 on 40 to 70 homes per year.

Author(s)

Pacific Northwest National Laboratory

Organization(s)

PNNL

Publication Date

April, 2012

Case study describing the design and testing of 10 high-performance homes in Farmington, Connecticut.

Guide describing how to correctly air-seal a wall with missing top plates or open wall cavities.