This custom home with guest cottage sits on a hill overlooking the eastern Napa Valley complete with pool and stellar views. Connect with the Passivworks Team! We’d love to hear about your project idea, custom build or remodel and how we can help make it a reality! CONTACT US GO TO TOP OF THE PAGE
The O’Neil Retrofit Remodel
Located just blocks off the plaza in historic downtown Sonoma, PassivWorks has built the first Certified Passive House™ in California and the first Certified Passive House™ retrofit in the United States. Homeowner Catherine O’Neill wanted a comfortable and environmentally-friendly home. Upon learning the advantages of the Passive House Standard, she decided to create a model […]
The Wood’s Custom Villa and Studio
Built in the certified Passive House standard, these two buildings in Sonoma (the main house and the barn-inspired work studio) are custom built for California comfort across a sprawling estate, and are on the cutting edge as far as energy, heating and cooling efficiency. Connect with the Passivworks Team! We’d love to hear about your […]
Casa Mirasol
Casa Mirasol is a Spanish style, open floor plan kitchen, dining and living room, with two spacious bedrooms and sliding barn door closets, bathrooms and hidden home office. It is a true Passive House (very well-insulated, virtually air-tight building that is primarily heated by passive solar gain and by internal gains from people, electrical equipment, […]
