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Spray foam insulation used for raised ceiling duct chase

Spray foam insulation used for raised ceiling duct chase
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Spray foam insulation used for raised ceiling duct chase.

Spray foam insulation used for raised ceiling duct chase.
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Standard 2 in. by 4 in. stud secures duct chase - made of rigid insulation in this example

Standard 2 in. by 4 in. stud secures duct chase - made of rigid insulation in this example
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Straps are spaced too far apart causing the straps to compress the duct under its own weight

Straps are spaced too far apart causing the straps to compress the duct under its own weight
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Sump pump covers mechanically attached with full gasket seal or equivalent

Sump pump covers mechanically attached with full gasket seal or equivalent
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Sump pump functions

Sump pump functions
Video:

Support at Intervals for Flex Ducts (1)

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Tape over the seam connecting the flex duct to the trunk duct; in this case two 3-inch-wide pieces of tape were put together then laid over the seam.

Tape over the seam connecting the flex duct to the trunk duct; in this case two 3-inch-wide pieces of tape were put together then laid over the seam.
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Tape the flex duct core to the take-off collar using UL-181 foil mastic tape.

Tape the flex duct core to the take-off collar using UL-181 foil mastic tape.
Case Study:

Technology Solutions Case Study: Buried and Encapsulated Ducts, Jacksonville, Florida

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Technology Solutions Case Study: Combustion Safety Simplified Test Protocol

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Technology Solutions Case Study: Duct Sealing Using Injected Spray Sealant

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Technology Solutions Case Study: High-Performance Ducts in Hot-Dry Climates

Case Study:

Technology Solutions Case Study: Optimizing Hydronic System Performance in Residential Applications, Ithaca, New York

Case Study:

Technology Solutions Case Study: Properly Sized and Located Return Air Inlets

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Technology Solutions Case Study: Raised Ceiling Interior Duct System

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Technology Solutions Case Study: Replacement of Variable-Speed Motors for Furnaces

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Technology Solutions Case Study: Sealed Air-Return Plenum Retrofit

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Technology Solutions Case Study: Selecting Ventilation Systems for Existing Homes

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Technology Solutions Case Study: Steam System Balancing and Tuning for Multifamily Residential Buildings, Chicago, Illinois

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Temporary deployment locations for probes used during HVAC commissioning; these probes connect to smartphone commissioning applications.

Temporary deployment locations for probes used during HVAC commissioning; these probes connect to smartphone commissioning applications.
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The AC unit has a drip pan and automatic shutoff in case the condensate drain gets clogged.

The AC unit has a drip pan and automatic shutoff in case the condensate drain gets clogged.
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The attic duct chase insulated and sealed to the attic floor with spray foam

The attic duct chase insulated and sealed to the attic floor with spray foam
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The attic is sealed and insulated along the underside of the roof deck with 5.5 inches of polyurethane spray foam, providing conditioned space for the HVAC system.

The attic is sealed and insulated along the underside of the roof deck with 5.5 inches of polyurethane spray foam, providing conditioned space for the HVAC system.