Nearly 30 Years of Innovation & Success

Whether you’re installing a brand-new system or need preventive maintenance, it’s crucial to have a team you can trust. In Dayton, OH, that team is A J Mechanical Services Inc. Since 1991, we have helped our commercial and industrial customers with all of their heating needs. Looking to install an energy-efficient system to save on your next energy bill? Sure, we’ve got your back. Does your current system need a tune-up or repairs? You know we’ll be there!

We know heating and cooling is not a one-size-fits-all affair. We’ll help customize your system, so it fits your building — not the other way around. Coupling a brand-new, energy-efficient furnace or boiler with our preventive maintenance program will ensure your system is running optimally for years to come. Plus, you can enjoy more cost certainty when reviewing your budget each year.

Heating Brands We Install

While we’ll work on any heating system, we exclusively install the four brands below for their reliability. These are all companies that build quality equipment that, along with our preventive maintenance program, we keep running at peak performance for a long time. This not only saves you money in the long term, but also gives you peace of mind.

Our Services

  • 24-hour emergency service
  • All brands serviced
  • Custom-designed heating systems
  • Energy-saving equipment
  • Fast response
  • HVAC systems for server rooms
  • Installation
  • Preventative maintenance
  • Repairs
  • Upfront pricing – no hidden costs

Don’t leave your building’s heating system to just anybody, contact the pros at A J Mechanical Services Inc today at 937-890-3061.

A J Mechanical Services in Dayton, OH

A J Mechanical Services
6250 Webster St
Dayton, OH 45414

P: 937-890-3061
F: 937-890-4061
E: ajk@ajmechanical.com

Business Hours:
Monday - Friday
8:00 AM - 4:30 PM

Licenses & Certificates
Licensed by the State of Ohio: Lic.#16225
HVAC, Hydronics, Refrigeration, Plumbing

Certified Backflow Tester: Lic.#4518, 4503, 5771

Boiler Contractor Certificate: #C817

BBB A+ Rating