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Packing tape has been removed and damper will be able to function properly once fan is installed

Packing tape has been removed and damper will be able to function properly once fan is installed
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Palo Duro provides every home owner with a manual providing equipment warranties, maintenance tips, certifications, and photos of each wall of the home before drywall installation so home owners can see where wiring and plumbing are located.

Palo Duro provides every home owner with a manual providing equipment warranties, maintenance tips, certifications, and photos of each wall of the home before drywall installation so home owners can see where wiring and plumbing are located.
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Pan stock is used to form a boot for future register installation

Pan stock is used to form a boot for future register installation
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Plan view of duct or pipe penetration through exterior wall showing flashing and air sealing details

Plan view of duct or pipe penetration through exterior wall showing flashing and air sealing details
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Position the clothes dryer to minimize exhaust duct length and make flexible exhaust ducts as compact and straight as possible

Position the clothes dryer to minimize exhaust duct length and make flexible exhaust ducts as compact and straight as possible
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Prepare chase with adhesive for bottom insulation

Prepare chase with adhesive for bottom insulation
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Prescriptive Path: Supply ducts in unconditioned attic have insulation ≥ R-8. Performance Path: Supply ducts in unconditioned attic have insulation ≥ R-6

Prescriptive Path: Supply ducts in unconditioned attic have insulation ≥ R-8. Performance Path: Supply ducts in unconditioned attic have insulation ≥ R-6
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Provide for pressure balancing between bedrooms and the rest of the house.

Provide for pressure balancing between bedrooms and the rest of the house.
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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

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
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Pulling flex duct taut when installing greatly reduces the amount of friction caused by the ducting

Pulling flex duct taut when installing greatly reduces the amount of friction caused by the ducting
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Quality installation and commissioning are critical to optimizing heat pump performance.

Quality installation and commissioning are critical to optimizing heat pump performance.
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Quality management includes strategic, tactical, and operational objectives.

Quality management includes strategic, tactical, and operational objectives.
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R-6 flexible duct has 2 inches of insulation around the inner liner so a 12-inch duct requires a 16x16-inch chase

R-6 flexible duct has 2 inches of insulation around the inner liner so a 12-inch duct requires a 16x16-inch chase
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Raised ceiling chase sealed with drywall mud

Raised ceiling chase sealed with drywall mud
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Raised ceiling duct chase is not visible as finished product

Raised ceiling duct chase is not visible as finished product
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Rater-measured duct leakage to outdoors ≤ 4 CFM25 per 100 sq. ft. of conditioned floor area

Rater-measured duct leakage to outdoors ≤ 4 CFM25 per 100 sq. ft. of conditioned floor area
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Return box has been properly sealed with mastic

Return box has been properly sealed with mastic
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Return box has not been sealed

Return box has not been sealed
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Return boxes and duct boots that attach to the ducts should be insulated with rigid foam not fiberglass batt because humidity can travel through the unfaced fiberglass batts.

Return boxes and duct boots that attach to the ducts should be insulated with rigid foam not fiberglass batt because humidity can travel through the unfaced fiberglass batts and condense onto the metal causing mold and moisture damage to insulation and ceiling drywall
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Return duct has been properly sealed with mastic

Return duct has been properly sealed with mastic
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Return ducts are air sealed with mastic, just like supply ducts

Return ducts are air sealed with mastic, just like supply ducts
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Return has not been sealed

Return has not been sealed
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Right - a dropped ceiling below a taped plywood air barrier provides a service cavity for ducts and wiring.

Right - a dropped ceiling below a taped plywood air barrier provides a service cavity for ducts and wiring.
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Right - A duct leakage test is conducted from the door of a large ERV Cabinet on a rooftop using a duct tester fan and a blower door frame, and the chamber that the duct tester is set up on is sealed where it leads to the ERV core or enthalpy wheel

Right - A duct leakage test is conducted from the door of a large ERV Cabinet on a rooftop using a duct tester fan and a blower door frame, and the chamber that the duct tester is set up on is sealed where it leads to the ERV core or enthalpy wheel