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APP-TECH Incorporated is a firm specializing in Energy Efficient Building Design, Code Compliance & Outdoor Lighting Design. We have been in business since 1982 and are located in Santa Cruz California. Our services include the integrated design of energy-efficient Building Envelope, HVAC, Plumbing, and Lighting Systems for Residential & Commercial buildings. We can show you how your project can cost-effectively meet and exceed California’s Title-24 Building Energy Requirements. We specialize in Low Energy/Zero-Net energy & Passive House building design.