Controlled Air Design specializes in sales of explosion-proof vacuuming and dust collection equipment in NFPA HAZLOC and ORDLOC areas. Our team has unsurpassed knowledge and experience that comes from decades of dealing with every end kind of vacuuming and dust collecting application imaginable. Based in Raleigh, NC but serving the entire USA. Controlled Air Design is committed to providing clean breathable air in the most challenging environments.