combustible gas detection biosystems gas detection equipment natural gas sensors COMBUSTIBLE GAS DETECTION Acme Engineering products designs and manufactures combustible gas detection systems such as carbon monoxide CO combustible gas detection systems in underground parking garages, CO2 for indoor air quality, diesel fumes detection for bus and truck terminals and unloading areas, volatile organic compounds VOC for numerous industrial and office applications, R-123 refrigerant detection, and O2 deficiency detection for building ventilation control, process heating equipment for large commercial and industrial applications, automatic scraper-strainers for intake, process and effluent filtration. Canada.