Colleyville House

  • Description: Building Enclosure

Ceiling R-30 spray foam at roof deck to create Conditioned attic Icynene®

Walls
2x6, 24" oc framing with 3/4" XPS with R-19 Spray foam Icynene®

Foundation
51% Flyash concrete monolithic slab with Termimesh termite control

Windows Pella ® fiberglass LoE3 (U=0.28, SHGC=0.24)

Infiltration
2.5 sq in leakage area per 100 sf envelope

Mechanical systems

Heat
WaterFurnace COP 5 GSHP, 6 wells 25' apart 300 ft deep

Cooling WaterFurnace 4 ton downstairs, 2 ton upstairs

DHW 30 gal LowBoy gets hot water from GSHP Rinnai R94LSi Instantaneous Hot Water EF=0.82 for auxillary DHW

Ducts
R-4.2 flex runouts in unvented attic or in floor joists

Leakage none to outside (5% or less)

Dehumidification
GeneralAire Model 1300 whole house dehumidifier

Ventilation ERV Fantech SER Series AirCyclerTM FR-V Supply-only system integrated with AHU 33% Duty Cycle: 10 minutes on; 20 minutes off, 50 CFM average flow

Return Pathways Jump ducts at bedrooms and laundry

Lighting
CFL lighting package all screw base

Appliances
Energy Star fridge, DW, clothes washer

Sharp 3kW Photovoltaic System

Weather Info:

  • Location: Fort Worth, TX
  • Elevation: 709.0
  • Fact: 0.889999985695
  • End Type: Yes
  • Regional Office: Denver
  • Submitted: No
  • Approved: Yes
  • Modified: 2010-04-12
  • Stage: Completed
  • Visit: Yes

Specification 4483

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

Specification 4500

  • Percent Energy Savings: 69
  • Submitted: No
  • Approved: Yes
  • Editor: Phil Kerrigan
  • Modified: 2009-05-18 00:00:00
  • Floor Plan: Colleyville House
  • Style: Single-family detached, site built
  • House Type: Prototype/Research House (G2)
  • Number of Stories: 2.0
  • Number of Bedrooms: 4
  • Floor Area: 4886.0
  • Basement Area: 0.0
  • Conditioned Volume: 76929.0
  • Surface Area: 12598.0
  • Roof Framing: Unvented attic - truss framing
  • Roof Insulation: Spray Foam
  • Roof R Value: 30.0
  • Roof Radiant: No
  • Roof Upgrades: Low density spray foam installed to the underside of the roof deck
  • Wall Framing: Wood - 2x6 - 24 in o.c. (Advanced Framing)
  • Wall Insulation: Spray Foam
  • Wall R Value: 20.0
  • Wall Sheathing: XPS
  • Wall Sheathing R Value: 3.75
  • Wall Radiant: No
  • Wall Upgrades: Low density spray foam in wall cavity. Full OVE framing with single top plates, two stud corners and stacked framing
  • Foundation Type: Slab on grade
  • Foundation Insulation: None
  • Foundation Upgrades: 51% Flyash concrete monolithic slab with Termimesh termite control
  • Window Glazing: Double pane - low-e - spectrally selective
  • Window Framing: Other
  • Window U Value: 0.280000001192
  • Window SHGC: 0.239999994636
  • Window Glazing Area: 923.5
  • Window Upgrades: Fiberglass frame, LoE triple glass
  • Space Heating Type: Ground Source Heat Pump
  • Space Heating Combustion: N/A
  • Space Heating Capacity: 72.0
  • Space Heating Efficiency: 5.0
  • Space Heating Efficiency Type: HSPF
  • Space Heating Location: Attic
  • Space Heating Energy Proto: 27.0
  • Space Heating Energy: 194.0
  • Space Heating Fuel: Electric
  • Space Heating Upgrades: Water Furnace Ground Source Heat Pump with 5.0 COP
  • Lighting Energy: 54.0
  • Lighting Energy Proto: 22.0
  • Light Appliance: 77.0
  • Light Appliance Proto: 73.0
  • Light Eff Type: 2
  • Light EEF Per: 100.0
  • MEL Load: 1
  • Renewable Energy Offset: 42.0
  • Cooling Type: Air Source Heat Pump
  • Cooling Capacity: 6.0
  • Cooling SEER: 18.0
  • Cooling Fuel: Electric
  • Cooling Energy Proto: 54.0
  • Cooling Energy: 262.0
  • Cooling Upgrades: Water Furnace Ground Source Heat Pump with 14.4 EER
  • Duct Type: Duct Board / Flex
  • Duct Location: In conditioned space
  • Duct R Value: 8.0
  • Air Distribution Location: Attic
  • Air Handler Motor: ECM/Variable Speed
  • Vent Type: Energy Recovery Ventilator (ERV)
  • Vent Control: Duty Cycle (some operation in every hour)
  • Vent Capacity: 86.0
  • Vent Fan Proto: 2.0
  • Vent Fan: 1.0
  • Drainage Upgrades: Tyvek housewrap
  • IAQ Upgrades: Central Fan Integrated Supply Ventilation with Fantech ERV
  • Vapor IN: 2
  • Vapor EX: 2
  • Hot Water Type: Gas - tankless
  • Hot Water Backup: Electric resistance
  • Hot Water Combustion: Sealed combustion
  • Hot Water Location: Interior closet
  • Hot Water Capacity: 1.0
  • Hot Water Efficiency: 0.819999992847
  • Hot Water Energy Proto: 8.0
  • Hot Water Energy: 25.0
  • Hot Water Fuel: Natural Gas
  • Hot Water Upgrades: Small storage tank is available for hot water from the ground source heat pump
  • Energy Star Rating: Yes
  • HERS Rating 2006: 38.0
  • Modeler's Name: Philip Kerrigan Jr.
  • Benchmark Version: 2008
  • Total Energy Use: 613.0
  • Total Energy Use Proto: 186.0
  • Percent Energy Savings: 69.0
  • Percent Site Energy: 6.0
  • Total Energy Savings: 76.0
  • Site Gen: PV
  • SG Capacity: 3.0

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, 22:16 (Etc/UTC)
Construction Type New Construction
Evaluation Level Test House
Climate Mixed - Humid
City Colleyville
State TX
Zip Code 99999
Phase Before 2010
Project Start Date 1970-01-01
Project Estimated End Date 2009-02-01
Project Actual End Date 2009-02-01
Completed House Count 1
Expected House Count 1
Energy Savings Percentage 38
Average Estimated Annual Source Energy (MMBtu) 1
Average Conditioned Floor Area (sqft) 1

Dataset extent

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