Project Home Again

  • Description: Building Enclosure

Roof R-21 3.5" HDSF at roof deck to create conditioned attic Walls 2x6, 24" o.c. framing R-20 3" HDSF; stacked framing, borate salt pressure treated wood Foundation R-13 2" high density spray foam to underside of subfloor Windows Vinyl double glazed with LoE2 (U=0.35, SHGC=0.23) Infiltration 2.5 sq in leakage area per 100 sf envelope

Mechanical systems

Heat 8.2 HSPF air source heat pump Cooling 14 SEER air source heat pump DHW electric tank 50 gallons EF=0.92 Ducts R-6 flex runouts in unvented cathedralized attic Duct Leakage none to outside (5% or less) Dehumidification whole house dehumidifier integrated with HVAC Ventilation Supply-only system fan cycling integrated with dehumidifier 33% Duty Cycle: 10 minutes on; 20 minutes off, 50 CFM average flow Transfer Grilles at bedrooms 100% Energy Star CFL Package Energy Star Refrigerator, Clothes Washer and Dishwasher End Type: No Submitted: Yes Approved: No Modified: 2011-02-18 * Visit: No

Specification 4440

  • Percent Energy Savings: 7
  • Submitted: No
  • Approved: No
  • Floor Plan: Unknown
  • Wall Radiant: No

Specification 4478

  • Percent Energy Savings: 43
  • Submitted: No
  • Approved: Yes
  • Editor: Phil Kerrigan
  • Modified: 2009-01-22 00:00:00
  • Floor Plan: H2
  • Style: Single-family detached, site built
  • House Type: Production (G3)
  • Number of Stories: 1.0
  • Number of Bedrooms: 2
  • Floor Area: 1016.0
  • Basement Area: 0.0
  • Conditioned Volume: 12526.0
  • Surface Area: 3735.0
  • Roof Framing: Unvented attic - truss framing
  • Roof Insulation: Spray Foam
  • Roof R Value: 30.0
  • Roof Radiant: No
  • Roof Upgrades: 4.5" High Density Spray Foam All wood is borate salt pressure treated
  • Wall Framing: Wood - 2x6, 24 in o.c. (not advanced framing)
  • Wall Insulation: Spray Foam
  • Wall R Value: 20.0
  • Wall Sheathing: Other
  • Wall Sheathing R Value: 0.5
  • Wall Radiant: No
  • Wall Upgrades: 3" High Density Spray Foam in 2x6 cavity 1/2" OSB wall sheathing All wood is borate salt pressure treated
  • Foundation Type: Vented crawlspace
  • Foundation Insulation: None
  • Foundation Upgrades: 2" High Density Spray Foam installed on the underside of the subfloor All wood is borate salt pressure treated
  • Window Glazing: Double pane - low-e - spectrally selective
  • Window Framing: Vinyl
  • Window U Value: 0.360000014305
  • Window SHGC: 0.300000011921
  • Window Glazing Area: 167.800003052
  • Window Upgrades: Window protection to be provided via shutters
  • Space Heating Type: Air Source Heat Pump
  • Space Heating Combustion: N/A
  • Space Heating Capacity: 18.0
  • Space Heating Efficiency: 8.0
  • Space Heating Efficiency Type: HSPF
  • Space Heating Location: Attic
  • Space Heating Energy Proto: 8.0
  • Space Heating Energy: 23.0
  • Space Heating Fuel: Electric
  • Space Heating Upgrades: Air Source Heat Pump Air Handler located in conditioned unvented attic
  • Lighting Energy: 22.0
  • Lighting Energy Proto: 7.0
  • Light Appliance: 50.0
  • Light Appliance Proto: 47.0
  • Light Eff Type: 2
  • Light EEF Per: 100.0
  • MEL Load: 1
  • Cooling Type: Air Source Heat Pump
  • Cooling Capacity: 1.5
  • Cooling SEER: 14.0
  • Cooling Fuel: Electric
  • Cooling Energy Proto: 20.0
  • Cooling Energy: 62.0
  • Cooling Upgrades: Air Source Heat Pump Air Handler located in conditioned unvented attic
  • Duct Type: Sheet metal / Flex
  • Duct Location: In conditioned space
  • Duct R Value: 5.0
  • Air Distribution Location: Attic
  • Air Distribution Upgrades: All ductwork located in conditioned space
  • Air Tight Upgrades: Spray foam around windows and penetrations
  • Air Handler Motor: ECM/Variable Speed
  • Vent Type: Central fan integrated supply
  • Vent Control: Duty Cycle (some operation in every hour)
  • Vent Capacity: 50.0
  • Vent Fan Proto: 2.0
  • Vapor Barriers: Fibercement pre-primed cladding on housewrap
  • Drainage Upgrades: Housewrap under fibercement cladding
  • IAQ Upgrades: Fan Cycler runs ventilation system at 33% duty cycle (10 hours operating out of every half hour)
    A mechanical damper is installed to prevent over ventilation during long periods of space conditioning
  • Vapor IN: 2
  • Vapor EX: 4
  • Hot Water Type: Electric resistance
  • Hot Water Backup: Other
  • Hot Water Combustion: Not Applicable
  • Hot Water Location: Other
  • Hot Water Capacity: 50.0
  • Hot Water Efficiency: 0.920000016689
  • Hot Water Energy Proto: 19.0
  • Hot Water Energy: 26.0
  • Hot Water Fuel: Electric
  • Hot Water Upgrades: Water Heater in conditioned unvented attic
  • Energy Star Rating: Meets criteria but not labeled
  • HERS Rating 2006: 67.0
  • Modeler's Name: Philip Kerrigan Jr., PE
  • Benchmark Version: 2008
  • Total Energy Use: 183.0
  • Total Energy Use Proto: 103.0
  • Percent Energy Savings: 43.0
  • Total Energy Savings: 43.0
  • Site Gen: None

Specification 4479

  • Percent Energy Savings: 41
  • Submitted: No
  • Approved: Yes
  • Editor: Phil Kerrigan
  • Modified: 2009-01-22 00:00:00
  • Floor Plan: L2
  • Style: Single-family detached, site built
  • House Type: Production (G3)
  • Number of Stories: 2.0
  • Number of Bedrooms: 2
  • Floor Area: 1067.0
  • Basement Area: 0.0
  • Conditioned Volume: 12806.0
  • Surface Area: 3844.0
  • Roof Framing: Unvented attic - truss framing
  • Roof Insulation: Spray Foam
  • Roof R Value: 30.0
  • Roof Radiant: No
  • Roof Upgrades: 4.5" High Density Spray Foam All wood is borate salt pressure treated
  • Wall Framing: Wood - 2x6, 24 in o.c. (not advanced framing)
  • Wall Insulation: Spray Foam
  • Wall R Value: 20.0
  • Wall Sheathing: Other
  • Wall Sheathing R Value: 0.5
  • Wall Radiant: No
  • Wall Upgrades: 3" High Density Spray Foam in 2x6 cavity 1/2" OSB wall sheathing All wood is borate salt pressure treated
  • Foundation Type: Vented crawlspace
  • Foundation Insulation: None
  • Foundation Upgrades: 2" High Density Spray Foam installed on the underside of the subfloor All wood is borate salt pressure treated
  • Window Glazing: Double pane - low-e - spectrally selective
  • Window Framing: Vinyl
  • Window U Value: 0.360000014305
  • Window SHGC: 0.300000011921
  • Window Glazing Area: 153.899993896
  • Window Upgrades: Window protection to be provided via shutters
  • Space Heating Type: Air Source Heat Pump
  • Space Heating Combustion: N/A
  • Space Heating Capacity: 18.0
  • Space Heating Efficiency: 8.0
  • Space Heating Efficiency Type: HSPF
  • Space Heating Location: Attic
  • Space Heating Energy Proto: 9.0
  • Space Heating Energy: 19.0
  • Space Heating Fuel: Electric
  • Space Heating Upgrades: Air Source Heat Pump Air Handler located in conditioned unvented attic
  • Lighting Energy: 19.0
  • Lighting Energy Proto: 7.0
  • Light Appliance: 53.0
  • Light Appliance Proto: 47.0
  • Light EEF Per: 100.0
  • MEL Load: 1
  • Cooling Type: Air Source Heat Pump
  • Cooling Capacity: 1.5
  • Cooling SEER: 14.0
  • Cooling Fuel: Electric
  • Cooling Energy Proto: 21.0
  • Cooling Energy: 64.0
  • Cooling Upgrades: Air Source Heat Pump Air Handler located in conditioned unvented attic
  • Duct Type: Sheet metal / Flex
  • Duct Location: In conditioned space
  • Duct R Value: 5.0
  • Air Distribution Location: Attic
  • Air Distribution Upgrades: All ductwork located in conditioned space
  • Air Tight Upgrades: Spray foam around windows and penetrations
  • Vent Type: Central fan integrated supply
  • Vent Control: Duty Cycle (some operation in every hour)
  • Vent Capacity: 50.0
  • Vent Fan Proto: 2.0
  • Vapor Barriers: Fibercement pre-primed cladding on housewrap
  • Drainage Upgrades: Housewrap under fibercement cladding
  • IAQ Upgrades: Fan Cycler runs ventilation system at 33% duty cycle (10 hours operating out of every half hour)
    A mechanical damper is installed to prevent over ventilation during long periods of space conditioning
  • Hot Water Type: Electric resistance
  • Hot Water Combustion: Not Applicable
  • Hot Water Location: Other
  • Hot Water Capacity: 50.0
  • Hot Water Efficiency: 0.920000016689
  • Hot Water Energy Proto: 19.0
  • Hot Water Energy: 26.0
  • Hot Water Fuel: Electric
  • Hot Water Upgrades: Water Heater in conditioned unvented attic
  • Energy Star Rating: Meets criteria but not labeled
  • HERS Rating 2006: 65.0
  • Modeler's Name: Philip Kerrigan Jr., PE
  • Benchmark Version: 2008
  • Total Energy Use: 181.0
  • Total Energy Use Proto: 105.0
  • Percent Energy Savings: 41.0
  • Total Energy Savings: 41.0
  • Site Gen: None

Specification 4480

  • Percent Energy Savings: 41
  • Submitted: No
  • Approved: Yes
  • Editor: Phil Kerrigan
  • Modified: 2009-01-22 00:00:00
  • Floor Plan: L3
  • Style: Single-family detached, site built
  • House Type: Production (G3)
  • Number of Stories: 2.0
  • Number of Bedrooms: 3
  • Floor Area: 1377.0
  • Basement Area: 0.0
  • Conditioned Volume: 16636.0
  • Surface Area: 4826.0
  • Roof Framing: Unvented attic - truss framing
  • Roof Insulation: Spray Foam
  • Roof R Value: 30.0
  • Roof Radiant: No
  • Roof Upgrades: 4.5" High Density Spray Foam All wood is borate salt pressure treated
  • Wall Framing: Wood - 2x6, 24 in o.c. (not advanced framing)
  • Wall Insulation: Spray Foam
  • Wall R Value: 20.0
  • Wall Sheathing: Other
  • Wall Sheathing R Value: 0.5
  • Wall Radiant: No
  • Wall Upgrades: 3" High Density Spray Foam in 2x6 cavity 1/2" OSB wall sheathing All wood is borate salt pressure treated
  • Foundation Type: Vented crawlspace
  • Foundation Insulation: None
  • Foundation Upgrades: 2" High Density Spray Foam installed on the underside of the subfloor All wood is borate salt pressure treated
  • Window Glazing: Double pane - low-e - spectrally selective
  • Window Framing: Vinyl
  • Window U Value: 0.360000014305
  • Window SHGC: 0.300000011921
  • Window Glazing Area: 233.699996948
  • Window Upgrades: Window protection to be provided via shutters
  • Space Heating Type: Air Source Heat Pump
  • Space Heating Combustion: N/A
  • Space Heating Capacity: 24.0
  • Space Heating Efficiency: 8.0
  • Space Heating Efficiency Type: HSPF
  • Space Heating Location: Attic
  • Space Heating Energy Proto: 11.0
  • Space Heating Energy: 23.0
  • Space Heating Fuel: Electric
  • Space Heating Upgrades: Air Source Heat Pump Air Handler located in conditioned unvented attic
  • Lighting Energy: 21.0
  • Lighting Energy Proto: 8.0
  • Light Appliance: 61.0
  • Light Appliance Proto: 54.0
  • Light EEF Per: 100.0
  • MEL Load: 1
  • Cooling Type: Air Source Heat Pump
  • Cooling Capacity: 2.0
  • Cooling SEER: 14.0
  • Cooling Fuel: Electric
  • Cooling Energy Proto: 25.0
  • Cooling Energy: 78.0
  • Cooling Upgrades: Air Source Heat Pump Air Handler located in conditioned unvented attic
  • Duct Type: Sheet metal / Flex
  • Duct Location: In conditioned space
  • Duct R Value: 5.0
  • Air Distribution Location: Attic
  • Air Distribution Upgrades: All ductwork located in conditioned space
  • Air Tight Upgrades: Spray foam around windows and penetrations
  • Vent Type: Central fan integrated supply
  • Vent Control: Duty Cycle (some operation in every hour)
  • Vent Capacity: 50.0
  • Vent Fan Proto: 3.0
  • Vapor Barriers: Fibercement pre-primed cladding on housewrap
  • Drainage Upgrades: Housewrap under fibercement cladding
  • IAQ Upgrades: Fan Cycler runs ventilation system at 33% duty cycle (10 hours operating out of every half hour)
    A mechanical damper is installed to prevent over ventilation during long periods of space conditioning
  • Hot Water Type: Electric resistance
  • Hot Water Combustion: Not Applicable
  • Hot Water Location: Other
  • Hot Water Capacity: 50.0
  • Hot Water Efficiency: 0.920000016689
  • Hot Water Energy Proto: 25.0
  • Hot Water Energy: 32.0
  • Hot Water Fuel: Electric
  • Hot Water Upgrades: Water Heater in conditioned unvented attic
  • Energy Star Rating: Meets criteria but not labeled
  • HERS Rating 2006: 63.0
  • Modeler's Name: Philip Kerrigan Jr., PE
  • Benchmark Version: 2008
  • Total Energy Use: 215.0
  • Total Energy Use Proto: 126.0
  • Percent Energy Savings: 41.0
  • Total Energy Savings: 41.0
  • Site Gen: None

Specification 4481

  • Percent Energy Savings: 41
  • Submitted: No
  • Approved: Yes
  • Editor: Phil Kerrigan
  • Modified: 2009-01-22 00:00:00
  • Floor Plan: F3
  • Style: Single-family detached, site built
  • House Type: Production (G3)
  • Number of Stories: 2.0
  • Number of Bedrooms: 3
  • Floor Area: 1248.0
  • Basement Area: 0.0
  • Conditioned Volume: 20143.0
  • Surface Area: 3791.0
  • Roof Framing: Unvented attic - truss framing
  • Roof Insulation: Spray Foam
  • Roof R Value: 30.0
  • Roof Radiant: No
  • Roof Upgrades: 4.5" High Density Spray Foam All wood is borate salt pressure treated
  • Wall Framing: Wood - 2x6, 24 in o.c. (not advanced framing)
  • Wall Insulation: Spray Foam
  • Wall R Value: 20.0
  • Wall Sheathing: Other
  • Wall Sheathing R Value: 0.5
  • Wall Radiant: No
  • Wall Upgrades: 3" High Density Spray Foam in 2x6 cavity 1/2" OSB wall sheathing All wood is borate salt pressure treated
  • Foundation Type: Vented crawlspace
  • Foundation Insulation: None
  • Foundation Upgrades: 2" High Density Spray Foam installed on the underside of the subfloor All wood is borate salt pressure treated
  • Window Glazing: Double pane - low-e - spectrally selective
  • Window Framing: Vinyl
  • Window U Value: 0.360000014305
  • Window SHGC: 0.300000011921
  • Window Glazing Area: 204.100006104
  • Window Upgrades: Window protection to be provided via shutters
  • Space Heating Type: Air Source Heat Pump
  • Space Heating Combustion: N/A
  • Space Heating Capacity: 18.0
  • Space Heating Efficiency: 8.0
  • Space Heating Efficiency Type: HSPF
  • Space Heating Location: Attic
  • Space Heating Energy Proto: 10.0
  • Space Heating Energy: 21.0
  • Space Heating Fuel: Electric
  • Space Heating Upgrades: Air Source Heat Pump Air Handler located in conditioned unvented attic
  • Lighting Energy: 20.0
  • Lighting Energy Proto: 8.0
  • Light Appliance: 60.0
  • Light Appliance Proto: 53.0
  • Light Eff Type: 2
  • Light EEF Per: 100.0
  • MEL Load: 1
  • Cooling Type: Air Source Heat Pump
  • Cooling Capacity: 1.5
  • Cooling SEER: 14.0
  • Cooling Fuel: Electric
  • Cooling Energy Proto: 24.0
  • Cooling Energy: 73.0
  • Cooling Upgrades: Air Source Heat Pump Air Handler located in conditioned unvented attic
  • Duct Type: Sheet metal / Flex
  • Duct Location: In conditioned space
  • Duct R Value: 5.0
  • Air Distribution Location: Attic
  • Air Distribution Upgrades: All ductwork located in conditioned space
  • Air Tight Upgrades: Spray foam around windows and penetrations
  • Vent Type: Central fan integrated supply
  • Vent Control: Duty Cycle (some operation in every hour)
  • Vent Capacity: 50.0
  • Vent Fan Proto: 3.0
  • Vapor Barriers: Fibercement pre-primed cladding on housewrap
  • Drainage Upgrades: Housewrap under fibercement cladding
  • IAQ Upgrades: Fan Cycler runs ventilation system at 33% duty cycle (10 hours operating out of every half hour)
    A mechanical damper is installed to prevent over ventilation during long periods of space conditioning
  • Hot Water Type: Electric resistance
  • Hot Water Combustion: Not Applicable
  • Hot Water Location: Other
  • Hot Water Capacity: 50.0
  • Hot Water Efficiency: 0.920000016689
  • Hot Water Energy Proto: 23.0
  • Hot Water Energy: 32.0
  • Hot Water Fuel: Electric
  • Hot Water Upgrades: Water Heater in conditioned unvented attic
  • Energy Star Rating: Meets criteria but not labeled
  • HERS Rating 2006: 65.0
  • Modeler's Name: Philip Kerrigan Jr., PE
  • Benchmark Version: 2008
  • Total Energy Use: 206.0
  • Total Energy Use Proto: 121.0
  • Percent Energy Savings: 41.0
  • Total Energy Savings: 41.0
  • Site Gen: None

Specification 4482

  • Percent Energy Savings: 42
  • Submitted: No
  • Approved: Yes
  • Editor: Phil Kerrigan
  • Modified: 2009-01-22 00:00:00
  • Floor Plan: B4
  • Style: Single-family detached, site built
  • House Type: Production (G3)
  • Number of Stories: 2.0
  • Number of Bedrooms: 4
  • Floor Area: 1551.0
  • Basement Area: 0.0
  • Conditioned Volume: 21501.0
  • Surface Area: 5078.0
  • Roof Framing: Unvented attic - truss framing
  • Roof Insulation: Spray Foam
  • Roof R Value: 30.0
  • Roof Radiant: No
  • Roof Upgrades: 4.5" High Density Spray Foam All wood is borate salt pressure treated
  • Wall Framing: Wood - 2x6, 24 in o.c. (not advanced framing)
  • Wall Insulation: Spray Foam
  • Wall R Value: 20.0
  • Wall Sheathing: Other
  • Wall Sheathing R Value: 0.5
  • Wall Radiant: No
  • Wall Upgrades: 3" High Density Spray Foam in 2x6 cavity 1/2" OSB wall sheathing All wood is borate salt pressure treated
  • Foundation Type: Vented crawlspace
  • Foundation Insulation: None
  • Foundation Upgrades: 2" High Density Spray Foam installed on the underside of the subfloor All wood is borate salt pressure treated
  • Window Glazing: Double pane - low-e - spectrally selective
  • Window Framing: Vinyl
  • Window U Value: 0.360000014305
  • Window SHGC: 0.300000011921
  • Window Glazing Area: 231.5
  • Window Upgrades: Window protection to be provided via shutters
  • Space Heating Type: Air Source Heat Pump
  • Space Heating Combustion: N/A
  • Space Heating Capacity: 24.0
  • Space Heating Efficiency: 8.0
  • Space Heating Efficiency Type: HSPF
  • Space Heating Location: Attic
  • Space Heating Energy Proto: 16.0
  • Space Heating Energy: 34.0
  • Space Heating Fuel: Electric
  • Space Heating Upgrades: Air Source Heat Pump Air Handler located in conditioned unvented attic
  • Lighting Energy: 27.0
  • Lighting Energy Proto: 9.0
  • Light Appliance: 64.0
  • Light Appliance Proto: 60.0
  • Light Eff Type: 2
  • Light EEF Per: 100.0
  • MEL Load: 1
  • Cooling Type: Air Source Heat Pump
  • Cooling Capacity: 2.0
  • Cooling SEER: 14.0
  • Cooling Fuel: Electric
  • Cooling Energy Proto: 28.0
  • Cooling Energy: 87.0
  • Cooling Upgrades: Air Source Heat Pump Air Handler located in conditioned unvented attic
  • Duct Type: Sheet metal / Flex
  • Duct Location: In conditioned space
  • Duct R Value: 5.0
  • Air Distribution Location: Attic
  • Air Distribution Upgrades: All ductwork located in conditioned space
  • Air Tight Upgrades: Spray foam around windows and penetrations
  • Vent Type: Central fan integrated supply
  • Vent Control: Duty Cycle (some operation in every hour)
  • Vent Capacity: 50.0
  • Vent Fan Proto: 2.0
  • Vapor Barriers: Fibercement pre-primed cladding on housewrap
  • Drainage Upgrades: Housewrap under fibercement cladding
  • IAQ Upgrades: Fan Cycler runs ventilation system at 33% duty cycle (10 hours operating out of every half hour)
    A mechanical damper is installed to prevent over ventilation during long periods of space conditioning
  • Hot Water Type: Electric resistance
  • Hot Water Combustion: Not Applicable
  • Hot Water Location: Other
  • Hot Water Capacity: 50.0
  • Hot Water Efficiency: 0.920000016689
  • Hot Water Energy Proto: 27.0
  • Hot Water Energy: 37.0
  • Hot Water Fuel: Electric
  • Hot Water Upgrades: Water Heater in conditioned unvented attic
  • Energy Star Rating: Meets criteria but not labeled
  • HERS Rating 2006: 65.0
  • Modeler's Name: Philip Kerrigan Jr., PE
  • Benchmark Version: 2008
  • Total Energy Use: 250.0
  • Total Energy Use Proto: 144.0
  • Percent Energy Savings: 42.0
  • Total Energy Savings: 42.0
  • Site Gen: None

Data and Resources

Additional Info

Field Value
Author Phil Kerrigan
Maintainer Phil Kerrigan
Last Updated September 16, 2016, 22:16 (Etc/UTC)
Created September 16, 2016, 22:15 (Etc/UTC)
Construction Type New Construction
Evaluation Level Community Scale
Climate Hot - Humid
City New Orleans
State LA
Zip Code 99999
Phase Before 2010
Project Start Date 1970-01-01
Project Estimated End Date 1970-01-01
Project Actual End Date 1970-01-01
Completed House Count 20
Expected House Count 20
Energy Savings Percentage 35
Average Estimated Annual Source Energy (MMBtu) 1
Average Conditioned Floor Area (sqft) 1

Dataset extent

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