Pulte Homes Las Vegas - Research House

  • Description: Overview:

This research house, constructed in Las Vegas, reaches a 68.5% energy savings level including a 2.7 kW GE Solar PV system. 

Key Partners:

Energy Efficiency Measures: Slab on grade with vapor barrier; 2x6 wood framed wall at 24" o/c, R-24 closed-cell spray polyurethane foam insulation and R-4 continuous insulating sheathing; Full cathedralized ceiling and unvented attic with R-24 closed-cell spray polyurethane foam insulation on roof deck; High performance, Low-E, double pane, wood clad fiberglass windows (U=0.35, SHGC=0.16); HRV with 75 CFM balanced ventilation; ACH (50)=1.5; 94% AFUE natural gas furnace; 20 SEER A/C unit; Ducts and mechanical equipment located in conditioned space with R-4.2 duct insulation; 0.82 EF natural gas tankless DWH; EnergyStar appliances; 100% Fluorescent lighting; 2.7 kW GE solar PV system

Other Features:

Weather Info:

  • Location: Las Vegas, NV
  • Elevation: 2178.0
  • Fact: 0.810000002384
  • End Type: No
  • Regional Office: Seattle
  • Submitted: No
  • Approved: Yes
  • Modified: 2008-07-17
  • Visit: No

Specification 4232

  • 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

Specification 4233

  • Percent Energy Savings: 57
  • Submitted: No
  • Approved: Yes
  • Editor: Brad Oberg
  • Modified: 2007-07-06 00:00:00
  • Model Name: Pulte Model 3483
  • Floor Plan: Pulte Homes - Research House
  • Style: Single-family detached, site built
  • House Type: Prototype/Research House (G2)
  • Number of Stories: 2.0
  • Number of Bedrooms: 4
  • Floor Area: 4239.0
  • Roof Framing: Cathedral
  • Roof Insulation: Other
  • Roof R Value: 24.0
  • Roof Radiant: No
  • Roof Upgrades: R-24 closed-cell spray polyurethane foam insulation, unvented attic
  • Wall Framing: Wood - 2x6 - 24 in o.c. (Advanced Framing)
  • Wall Insulation: Other
  • Wall R Value: 24.0
  • Wall Sheathing: Other
  • Wall Sheathing R Value: 4.0
  • Wall Radiant: No
  • Wall Upgrades: 2x6 wood framing @ 24"o/c (0.19 framing factor); R-24 closed-cell spray polyurethane foam insulation (4" spray) & R-4 insulating sheathing
  • Foundation Type: Slab on grade
  • Foundation Upgrades: 4" poured slab w/ vapor barrier; no slab edge or under slab insulation
  • Window Glazing: Double pane - low-e
  • Window Framing: Vinyl
  • Window U Value: 0.34999999404
  • Window SHGC: 0.159999996424
  • Window Glazing Area: 748.5
  • Window Upgrades: U = 0.35 ; SHGC = 0.16
  • Space Heating Type: Gas furnace
  • Space Heating Capacity: 35.0
  • Space Heating Efficiency: 94.0
  • Space Heating Efficiency Type: % AFUE
  • Space Heating Location: Attic
  • Space Heating Energy Proto: 42.0
  • Space Heating Energy: 84.0
  • Space Heating Fuel: Gas
  • Space Heating Upgrades: 94% AFUE Gas Furnace
  • Lighting Energy: 37.0
  • Lighting Energy Proto: 12.0
  • Light Appliance: 75.0
  • Light Appliance Proto: 73.0
  • Renewable Energy Offset: 48.0
  • Cooling Type: Electric Air Conditioner (split system)
  • Cooling Capacity: 2.5
  • Cooling SEER: 20.0
  • Cooling Fuel: Electric
  • Cooling Energy Proto: 42.0
  • Cooling Energy: 201.0
  • Cooling Upgrades: 20 SEER AC Unit
  • Duct Type: Sheet metal / Flex
  • Duct Location: In conditioned space
  • Duct R Value: 4.19999980927
  • Air Distribution Location: Attic
  • Air Distribution Upgrades: Return, supply & air handler in interior space, 0% leakage to outside
  • Air Tight Upgrades: ACH(50)=1.5
  • Vent Type: Balanced supply and exhaust
  • Vent Capacity: 75.0
  • Vapor Barriers: 4" poured slab w/ vapor barrier
  • IAQ Upgrades: HRV @ 75cfm, 75W, 100% runtime, 60% efficiency
  • Hot Water Type: Gas - tank
  • Hot Water Location: Garage
  • Hot Water Efficiency: 0.819999992847
  • Hot Water Energy Proto: 9.0
  • Hot Water Energy: 20.0
  • Hot Water Fuel: Natural Gas
  • Hot Water Upgrades: Natural Gas, Tankless, 0.82 EF
  • Other EE Upgrades: 2.7 kW South facing, GE Solar PV system
  • Benchmark Version: v2.06.04
  • Total Energy Use: 417.0
  • Total Energy Use Proto: 178.0
  • Percent Energy Savings: 57.0
  • Percent Site Energy: 12.0
  • Total Energy Savings: 69.0

Data and Resources

Additional Info

Field Value
Author Bob Hendron
Maintainer Bob Hendron
Last Updated September 16, 2016, 22:09 (Etc/UTC)
Created September 16, 2016, 22:09 (Etc/UTC)
Construction Type New Construction
Evaluation Level Test House
Climate Cold
City Las Vegas
State NV
Zip Code 99999
Phase Before 2010
Project Start Date 2006-06-01
Project Estimated End Date 2006-12-30
Project Actual End Date 2006-12-30
Completed House Count 1
Expected House Count 1
Energy Savings Percentage 32
Average Estimated Annual Source Energy (MMBtu) 1
Average Conditioned Floor Area (sqft) 1

Dataset extent

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