As a fire protection code expert, Ahern reduces the risk of construction/retrofit projects and service requests for general contractors, building owners, and facility managers throughout the greater St. Louis area. We offer complete fire protection design, installation, service, and inspection to ensure your fire sprinkler and suppression systems will keep you protected.
Click on Local Expertise above to learn more about the services we offer to our St. Louis-area clients.
Hours of Operation
Monday to Friday: 7:30 a.m. to 4:30 p.m.
Closed on weekends
Fire Protection Services
We've long been a trusted fire protection service provider in St. Louis—it's our bread and butter. Our services range from basic design to installation, servicing, and repair. We employ over 20 special hazards experts who average 10 years of industry experience and our sprinkler inspectors undergo a minimum of 720 hours of coursework and over 9,500 hours of on-the-job training prior to performing any inspection. With this team of NICET-certified designers, experienced in-house fabricators, and seasoned field teams, we're well equipped to meet your project's needs. Learn more >
Commercial HVAC Services
We've been designing, installing and servicing HVAC systems since our founding over 100 years ago. Needless to say, we've become a go-to commercial HVAC contractor in the St. Louis area. From basic exhaust systems to complex, state-of-the-art central station air handling and variable air volume distribution systems (and everything in between), our seasoned designers, engineers, and foreman have yet to find a project they can't handle. Learn more >
Commercial Plumbing Services
Domestic water; medical gas; acid waste; plumbing fixtures, drains, and cleanouts...harnessing our extensive experience as commercial plumbing contractors, we'll efficiently and effectively design, install, and maintain almost any plumbing system for existing buildings or new construction projects alike. As one of the most established commercial plumbing contractors in eastern Missouri, we have the resources and experience to complete your projectLearn more >
Pipe Fabrication Services
No pipe fabrication job is too difficult for our St. Louis team. According to your project specifications, we assist in all aspects of installation: budget planning, takeoff preparations, fabrication, shipping, and—of course—installation. Fabricating pipes for multiple systems (including power generation, environmental, automotive, industrial, and more), we can fabricate pipes ranging from 1/2-inch to 144-inch diameters, wall thicknesses up to four inches, and do so with a 97% on-time delivery rate. Learn more >
Process Piping Contractors
We’ve provided piping systems to 47 U.S. states and seven international countries. Whether your process systems carry solids, liquids, or gasses; whether you operate in the pharmaceutical, pulp and paper, printing, manufacturing, alternative fuel, or power plant industries, our St. Louis team has the know-how and state-of-the-art facility for accurate, efficient and effective process piping solutions. Learn more >
Click on "Local Expertise" above to learn more about the expertise offered throughout to our greater St. Louis clients.