Crossland Engineering, LLC is a full-service mechanical engineering firm specializing in sustainable HVAC, Plumbing, and Fire Protection systems design for projects throughout the Hawaiian Islands. Our team is guided by timeless principles such as the golden rule, quality over quantity, and continuous improvement. We offer a holistic approach to building system design with a commitment to core sustainability ethics. Our services include Heating, Ventilation and Air-Conditioning (HVAC), Plumbing, Fire Protection, Sustainable Design, Central Chilled Water and Hot Water Plants, Building Automation, Commissioning, Energy Audits, Building Benchmarking, Energy Modeling, Life-Cycle Cost Analysis, Building Information Modeling, Design-Build Delivery, Project Management, and Construction Administration.