Ivy Gate at Loma vista

  • Description: Heating & cooling: 94.7%. Bryant furnace/19.2 SEER air conditioner Very tight ducts (< 3% total leakage) Insulated to R-8 Jump ducts and transfer grill installed to maintain pressure balanced rooms ASHRAE 62.2 compliance through timer controlled, whole house exhaust with fresh make-up air ducted into the return side of the air handler Water heating: .98 EF Navien Tankless water heater Buildng enclosure: R-49 attic insulation (on floor) radiant barrier roof sheathing R-20 walls (R-15 Spider, blown in fiberglass plus 1" EPS foam sheathing, U-.34, SHGC - .26 Very tight construction (<2.5 ACH50) All Energy Star appliances 3.6 kW PV array and Control 4 automated power control system.

Weather Info:

  • Location: Fresno, CA
  • Elevation: 328.0
  • Fact: 0.689999997616
  • End Type: Yes
  • Regional Office: Seattle
  • Submitted: No
  • Approved: No
  • Modified: 2010-10-15
  • Stage: Completed
  • Visit: Yes

Specification 4778

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

Specification 4815

  • Percent Energy Savings: 0
  • Submitted: No
  • Approved: No
  • Editor: Graham Davis
  • Modified: 2010-10-15 15:02:00
  • Model Name: Ivy Gate
  • Floor Plan: Plan #200 (the Jordan)
  • Style: Single-family detached, site built
  • Number of Stories: 1.0
  • Number of Bedrooms: 4
  • Floor Area: 2000.0
  • Basement Area: 0.0
  • Conditioned Volume: 18320.0
  • Surface Area: 1602.0
  • Roof Framing: Vented attic - truss framing
  • Roof Insulation: Fiberglass blown
  • Roof R Value: 49.0
  • Roof Radiant: Yes
  • Roof Upgrades: R-38 to R-49
  • Wall Framing: Wood - 2x4 - 16 in o.c.
  • Wall Insulation: Other
  • Wall R Value: 15.0
  • Wall Sheathing: EPS
  • Wall Sheathing R Value: 4.0
  • Wall Radiant: No
  • Wall Upgrades: R13 fiberglass batts to R15 blown fiberglass
  • Foundation Type: Slab on grade
  • Foundation Construction: Poured concrete
  • Foundation Insulation: None
  • Window Glazing: Double pane - low-e
  • Window Framing: Vinyl
  • Window U Value: 0.340000003576
  • Window SHGC: 0.25
  • Window Glazing Area: 244.0
  • Space Heating Type: Gas furnace
  • Space Heating Combustion: Sealed combustion
  • Space Heating Capacity: 38000.0
  • Space Heating Efficiency: 94.6999969482
  • Space Heating Location: Attic
  • Space Heating Energy Proto: 28.0
  • Space Heating Energy: 63.0
  • Space Heating Fuel: Gas
  • Space Heating Upgrades: 92% to 94.7%
  • Lighting Energy: 29.0
  • Lighting Energy Proto: 13.0
  • Light MEL: 57.0
  • Light MEL Proto: 43.0
  • Light Eff Type: 2
  • Light EEF Per: 100.0
  • MEL Load: 1
  • Renewable Energy Offset: 41.0
  • Cooling Type: Electric Air Conditioner (split system)
  • Cooling Capacity: 3.0
  • Cooling SEER: 19.0
  • Cooling Fuel: Electric
  • Cooling Energy Proto: 17.0
  • Cooling Energy: 53.0
  • Cooling Upgrades: 16 SEER to 19 SEER
  • Duct Type: Sheet metal / Flex
  • Duct Location: In unconditioned space
  • Duct R Value: 8.0
  • Air Distribution Location: Attic
  • Air Distribution Upgrades: 2 Zone system
  • Air Tight Upgrades: Glued drywall to top and bottom plates and around openings. Addition sealing with foam at sill.
  • Air Handler Motor: ECM/Variable Speed
  • Vent Type: Controlled exhaust
  • Vent Control: Duty Cycle (some operation in every hour)
  • Vent Capacity: 60.0
  • Vent Fan Proto: 2.0
  • Vent Fan: 3.0
  • Vapor Barriers: Two layers of 60 min Grade "D" building paper, integrated with flashings under 1" EPS foam board.
  • IAQ Upgrades: Whole house exhaust on intermittent timer with pressure relief duct to return. All exhaust fans ducted the outside.
  • Vapor IN: 4
  • Vapor EX: 4
  • Hot Water Type: Gas - tankless
  • Hot Water Backup: Other
  • Hot Water Combustion: Sealed combustion
  • Hot Water Location: Other
  • Hot Water Capacity: 1.0
  • Hot Water Efficiency: 98.0
  • Hot Water Energy Proto: 12.0
  • Hot Water Energy: 22.0
  • Hot Water Fuel: Natural Gas
  • Hot Water Upgrades: From a tankless 82% to a tankless Navien 98%.
  • Energy Star Rating: Yes
  • HERS Rating 2006: 29.0
  • Modeler's Name: Graham Davis
  • Other Awards: Finalist in NAHB Energy Value Housing Award
  • Benchmark Version: 2010
  • Total Energy Use: 227.0
  • Total Energy Use Proto: 115.0
  • Percent Energy Savings: 49.33
  • Percent Site Energy: 18.06
  • Total Energy Savings: 67.39
  • Site Gen: PV
  • SG Capacity: 3.7

Data and Resources

Additional Info

Field Value
Author Graham Davis
Maintainer Graham Davis
Last Updated September 16, 2016, 22:29 (Etc/UTC)
Created September 16, 2016, 22:29 (Etc/UTC)
Construction Type New Construction
Evaluation Level Test House
Climate Hot - Dry
City Clovis
State CA
Zip Code 99999
Phase Before 2010
Project Start Date 1970-01-01
Project Estimated End Date 2010-06-10
Project Actual End Date 2010-06-10
Completed House Count 1
Expected House Count 1
Energy Savings Percentage 3
Average Estimated Annual Source Energy (MMBtu) 1
Average Conditioned Floor Area (sqft) 1

Dataset extent

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