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HVAC equipment should never be exposed to the garage; instead, locate them in air-sealed closets, with weatherstripping, spring-loaded hinges, and mastic.

HVAC equipment should never be exposed to the garage; instead, locate them in air-sealed closets, with weatherstripping, spring-loaded hinges, and mastic.
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ICF blocks used for the foundation walls consist of two sheets of rigid foam held together by plastic spacers and reinforced with steel bars forming a hollow wall that is filled with concrete for an ultra-efficient foundation system.

ICF blocks used for the foundation walls consist of two sheets of rigid foam held together by plastic spacers and reinforced with steel bars forming a hollow wall that is filled with concrete for an ultra-efficient foundation system.
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ICF forms are filled with the use of a concrete pumper truck

ICF forms are filled with the use of a concrete pumper truck
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ICFs provide continuous wall insulation from the roof to the footing with very little thermal bridging

ICFs provide continuous wall insulation from the roof to the footing with very little thermal bridging
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If a dropped soffit is used to house a duct, the soffit space must equal the duct diameter plus the insulation thickness

If a dropped soffit is used to house a duct, the soffit space must equal the duct diameter plus the insulation thickness
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If airflow must be limited to a supply register, use balancing dampers at the trunk line rather than looping duct to control airflow

If airflow must be limited to a supply register, use balancing dampers at the trunk line rather than looping duct to control airflow
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If an intermittent ventilation duct is connected to an air handler, the damper should be shut and the intake vent should not be covered when performing a duct leakage test; if the ventilation will be continuous, the intake should be covered and sealed.

If an intermittent ventilation duct is connected to an air handler, the damper should be shut and the intake vent should not be covered when performing a duct leakage test; if the ventilation will be continuous, the intake should be covered and sealed.
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If HVAC duct must be installed in an exterior wall, separate it from the exterior with at least R-6 of continuous rigid insulation

If HVAC duct must be installed in an exterior wall, separate it from the exterior with at least R-6 of continuous rigid insulation
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If wall registers are desired, install HVAC ducts in interior wall cavities

If wall registers are desired, install HVAC ducts in interior wall cavities
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In multistory insulating concrete form (ICF) buildings, the concrete floor slabs are integrated into the ICF exterior walls and structurally supported by the reinforced concrete wall cores

In multistory insulating concrete form (ICF) buildings, the concrete floor slabs are integrated into the ICF exterior walls and structurally supported by the reinforced concrete wall cores
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Inadequate amount of insulation installed with compression, misalignment, and voids

Inadequate amount of insulation installed with compression, misalignment, and voids
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Insert an electric leaf blower into the dryer exhaust duct and turn on at lowest setting to blow out the duct

Insert an electric leaf blower into the dryer exhaust duct and turn on at lowest setting to blow out the duct
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Install bottom layer of rigid insulation

Install bottom layer of rigid insulation
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Install duct supports in line with ceiling trusses

Install duct supports in line with ceiling trusses
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Install ducts without excessive coils or loops

Install ducts without excessive coils or loops
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Install ducts without kinks or sharp bends

Install ducts without kinks or sharp bends
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Install sheet metal to cover the gaps around a flue pipe in the attic; attach with screws or heavy staples, then seal seams with fire-rated caulk or foam

. Install sheet metal to cover the gaps around a flue pipe in the attic; attach with screws or heavy staples, then seal seams with fire-rated caulk or foam
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Install supply registers in floors or ceilings to avoid routing ducts through exterior walls

Install supply registers in floors or ceilings to avoid routing ducts through exterior walls
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Install supports every 5 feet so that maximum allowable sag in flexible duct is no more than one-half inch per foot

Install supports every 5 feet so that maximum allowable sag in flexible duct is no more than one-half inch per foot
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Install supports every 5 feet so that maximum allowable sag in flexible duct is no more than one-half inch per foot

Install supports every 5 feet so that maximum allowable sag in flexible duct is no more than one-half inch per foot
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Install waterproofing on portions of the ICF that will be below grade

Install waterproofing on portions of the ICF that will be below grade
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Install wood framing cross pieces in the attic rafter bays on each side of the duct chase

Install wood framing cross pieces in the attic rafter bays on each side of the duct chase
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Insulated Concrete Forms - Installation Training Video

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Insulated concrete forms (ICF) provide an insulated below-grade foundation wall; the floor is connected to the ICF wall with joist hangers and ledger bolted into the concrete core of the ICF

Insulated concrete forms (ICF) provide an insulated below-grade foundation wall; the floor is connected to the ICF wall with joist hangers and ledger bolted into the concrete core of the ICF