Signal Hygiene specializes in odor elimination, HVAC cleaning, crawl space repair & encapsulation, mold inspections & remediation, and duct cleaning in Raleigh, North Carolina. Our Raleigh NC mold air test and odor removing services are ideal for residential homes, medical facilities, commercial buildings, apartment complexes, airplanes, and cruise ships. Signal Hygiene offers a wide array of services for your home and business through extensive laboratory testing, performance in healthcare environments, commercial properties, and multi-family and single-family homes, by Certified Technician Training and Work.