Filtration Particles Techniques, Inc. (FPT) is a NEBB-certified mechanical contractor specializing in the Testing,Adjusting, and Balancing (TAB) of HVAC systems, commissioning, mechanical construction, and project management for federal and commercial facilities. Our team provides complete HVAC system verification, optimization, and documentation services — from construction through performance testing and turnover — ensuring compliance with NEBB, ASHRAE, and USACE standards.