Midori Haus
PROJECT |
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Project Name: | Midori Haus | |
Completion Date: | 2013 |
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Building Type: | Single-Family |
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Project Description: | This 94-year old house is the first certified Passive House in Santa Cruz County. Water conservation features include rainwater harvesting for indoor non-potable use (laundry and toilets). Charming and comfortable Passive House, as a bonus the before and after utility bills show 80% reduction in energy use after the retrofit. |
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Location: |
135 Van Ness Avenue,
CA 95060
Santa Cruz |
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No. of units: | 1 |
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Construction Type: | Stick Frame |
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Construction Cost: |
TEAM |
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Owner: | Kurt Hurley & Chie Kawahara |
Architect/Designer: | Graham Irwin, Essential Habitat |
Engineer/s: | |
PH Consultant: | Graham Irwin, Essential Habitat |
Contractor: | Santa Cruz Green Builders |
Other: | |
Miscelaneous: |
PREDICTED PERFORMANCE |
METRIC VALUES |
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Treated Floor Area: | 1413 ft2 |
131 m2 |
Typical Calc. Area: | 1601 ft2 |
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Exterior Walls: | 23.00 hr.ft2.ºF/BTU |
0.247 W/m2K |
Floor/Slab: | 27.00 hr.ft2.ºF/BTU |
0.210 W/m2K |
Roof: | 82.00 hr.ft2.ºF/BTU |
0.069 W/m2K |
Overall Window: | 4.00 hr.ft2.ºF/BTU |
1.420 W/m2K |
Window Frame: | 5.00 hr.ft2.ºF/BTU |
1.136 W/m2K |
Window SHGC: | 0.42 |
0.42 % |
Entry Door: | 6.00 hr.ft2.ºF/BTU |
0.94633333333333 W/m2K |
Ventilation: | 82.10 % |
82.10 % |
Heating Source: | Solar w/ Gas Condensing Boiler |
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Cooling Source: | ||
Hot Water Source: | Solar w/ Gas Condensing Boiler |
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Airtightness: | 0.59 ACH50 |
0.59 ACH50 |
Green materials: | ||
Annual Heat Demand: | 3.89 kBTU/ft².yr |
12.27 kWh/m2yr |
Heating Load: | 2.01 BTU/ft².hr |
6.34 W/m2 |
Primary Energy Value: | 22.45 kBTU/ft².yr |
70.82 kWh/m2yr |
CERTIFICATION |
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Certification: | |
Issued by: | PHI |