You are here

DOE Zero Energy Ready Home Case Study: One Sky Homes, San Jose, CA

DOE Zero Energy Ready Home Case Study: One Sky Homes, San Jose, CA

Case study of a DOE Zero Energy Ready home in San Jose, CA, that achieved a HERS 69 on the California HERS score without PV, or HERS -1 with 6.4 kW of PV. The custom home has 2x6 advanced framed walls dense packed with R-23 of cellulose plus 1 in. of rigid foam exterior insulation, R-51 blown cellulose in the attic, ICF crawl space walls plus 3-in. EPS under the slab, solar hot water, an HRV, and a very high efficiency heat pump with central fan-integrated Night Ventilation cooling that cuts cooling costs by 98%.