Building Doctors were the first Building Performance Institute accredited company in Southern California and a verified contractor with the California Building Performance Contractors Association (CBPCA; Lic # 932241). We also participate in the Home Performance with Energy Star Programs. Our staff can perform all the remediations, saving you 20% to 50% off your energy bills, while making your home energy-efficient, healthier, more comfortable, durable and lowering your carbon footprint.