Orefield

  • Description: Overview: Construction of the prototype house has been completed.  The home, targeted at 40% energy savings is currently in the monitoring phase. 

Key Partners:

Energy Efficiency Measures:

R-10 insulation installed to a depth of four feet at the perimeter of the basement floor slab; pre-cast concrete foundation wall system with a total insulation value of R-31.5; R-33 exterior walls 2x6 framing with sprayed fiberglass cavity insulation and 2" XPS insulating sheathing; R-47 roof deck insulation with all cathedralized ceilings and no attic space; air leakage target of 3.0 ACH50; electric heat pump SEER 17 and HSPF 9.85; HRV will provide continuous ventilation (33 cfm); two direct vented gas tankless DWH (EF=0.85); 100% compact fluorescent lighting; Energy Star or low energy consuming appliances

Other Features:  

* End Type: No Regional Office: Philadelphia Submitted: No Approved: Yes Modified: 2007-07-31 * Visit: No

Specification 3636

  • Percent Energy Savings: 7
  • Submitted: No
  • Approved: Yes
  • Modified: 2008-05-05 00:00:00
  • Floor Plan: Unknown
  • Roof Radiant: No
  • Wall Radiant: No
  • Space Heating Capacity: 0.0
  • Total Energy Savings: 7.0

Specification 3637

  • Percent Energy Savings: 41
  • Submitted: No
  • Approved: Yes
  • Editor: Brad Oberg
  • Modified: 2007-07-31 00:00:00
  • Floor Plan: Model Home
  • Style: Single-family detached, site built
  • House Type: Prototype/Research House (G2)
  • Number of Stories: 2.0
  • Floor Area: 3808.0
  • Basement Area: 1575.0
  • Conditioned Volume: 49612.0
  • Surface Area: 5974.0
  • Roof Framing: Cathedral
  • Roof Insulation: Fiberglass blown
  • Roof R Value: 47.0
  • Roof Radiant: No
  • Roof Upgrades: Cathedral ceiling, R-47 using blown fiberglass insulation. Cathedral ceiling is unvented with no attic space. Roof sheathing rests on top of strapping placed on top of the sheathing layer of the cathedral ceiling.
  • Wall Framing: Wood - 2x6 - 16 in o.c.
  • Wall Insulation: Other
  • Wall R Value: 23.0
  • Wall Sheathing: XPS
  • Wall Sheathing R Value: 10.0
  • Wall Radiant: No
  • Wall Upgrades: Exterior walls, R-33 using 2" extruded polystyrene rigid board insulation and R-23 blown in fiberglass insulation in a 2x6 wall cavity.
  • Foundation Type: Conditioned basement
  • Foundation Insulation: Rigid foam
  • Foundation R Value: 38.0
  • Slab Insulation: 15.0
  • Foundation Upgrades: Superior Walls XI pre-cast concrete foundation walls, with R-12.5 polystryrene insulation and 6" of sprayed fiberglass in the studed wall cavity for a total of R-38. Basement floor slab, R-10 using 2" of extruded polystyrene insulation.
  • Window Glazing: Other
  • Window Framing: Wood
  • Window U Value: 0.25
  • Window SHGC: 0.280000001192
  • Window Glazing Area: 922.0
  • Window Upgrades: Pella Designer Series, 5/8" InsulShield IG w/ 3mm low-E HGP, Argon filled, wood framed with Al-clad exterior
  • Space Heating Type: Air Source Heat Pump
  • Space Heating Combustion: N/A
  • Space Heating Capacity: 0.0
  • Space Heating Efficiency: 9.0
  • Space Heating Efficiency Type: HSPF
  • Space Heating Location: Basement
  • Space Heating Energy Proto: 205.0
  • Space Heating Energy: 378.0
  • Space Heating Fuel: Electric
  • Space Heating Upgrades: 1-Trane XL 16i ultra-efficient heat pump:SEER 17, HSPF 9.85
  • Lighting Energy: 45.0
  • Lighting Energy Proto: 16.0
  • Light Appliance: 132.0
  • Light Appliance Proto: 131.0
  • Renewable Energy Offset: 34.0
  • Cooling Type: Air Source Heat Pump
  • Cooling Capacity: 4.0
  • Cooling SEER: 17.0
  • Cooling Fuel: Electric
  • Cooling Energy Proto: 17.0
  • Cooling Energy: 65.0
  • Cooling Upgrades: 1-Trane XL 16i ultra-efficient heat pump:SEER 17, HSPF 9.85; cooling capacity 4 tons, the system has four zones w/ electronically controlled dampers, the air handler is located in the basement.
  • Duct Type: Sheet metal / Flex
  • Duct Location: In conditioned space
  • Air Distribution Location: Basement
  • Air Distribution Upgrades: Return, supply & air handler in interior space, 0% leakage to outside
  • Air Tight Upgrades: Exterior wood-framed walls used blown in fiberglass insulation within framing cavities. Joints of exterior insulating sheathing were taped. Weatherstripping installed at all exterior doors. Foam sealing around penetrations through the building enclosure a
  • Vent Type: Heat Recovery Ventilator (HRV)
  • Vent Control: Continuous (24 hrs/day)
  • Vent Capacity: 35.0
  • Vapor Barriers: MemBrain™ vapor retarder used at exterior walls and ceilings changes its permeability to increase the drying potential of the walls; there is a polyethylene vapor barrier under the slab
  • Drainage Upgrades: Windows and doors were effectively flashed to shed water. Flashing was integrated with the insulating sheathing (drainage plane) system to increase home durability. There was a 4" perforated PVC pipe placed adjacent to the footings in crushed stone with filter fabric placed over the top and sides. The drain was sloped to daylight.
  • IAQ Upgrades: Honeywell HR-150 HRV with 32.4 CFM in and 34.5 CFM out continuous
  • Hot Water Type: Other
  • Hot Water Combustion: Sealed combustion
  • Hot Water Location: Basement
  • Hot Water Capacity: 1.0
  • Hot Water Efficiency: 0.850000023842
  • Hot Water Energy Proto: 14.0
  • Hot Water Energy: 27.0
  • Hot Water Fuel: Natural Gas
  • Hot Water Upgrades: Two tankless propane fired hot water heaters cascaded together. EF = 0.85
  • Modeler's Name: John Broniek
  • Benchmark Version: 3.1
  • Total Energy Use: 647.0
  • Total Energy Use Proto: 383.0
  • Percent Energy Savings: 41.0
  • Percent Site Energy: 5.0
  • Total Energy Savings: 46.0

Data and Resources

Additional Info

Field Value
Author Brad Oberg
Maintainer Brad Oberg
Last Updated September 16, 2016, 21:54 (Etc/UTC)
Created September 16, 2016, 21:54 (Etc/UTC)
Construction Type New Construction
Evaluation Level Test House
Climate Cold
City Orefield
State PA
Zip Code 99999
Phase Before 2010
Project Start Date 2005-07-11
Project Estimated End Date 1970-01-01
Project Actual End Date 1970-01-01
Completed House Count 1
Expected House Count 2
Energy Savings Percentage 24
Average Estimated Annual Source Energy (MMBtu) 1
Average Conditioned Floor Area (sqft) 1

Dataset extent

Map data © OpenStreetMap contributors
Tiles by OpenStreetMap