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Our Story
In the heart of the greater Dayton area, a mechanical solutions pioneer was born in 1984—MSD, Inc. What began as a steadfast commitment to exceeding client expectations has grown into a recognized industry leadership in Service, Design, and Installation across multiple specializations—Heating, Ventilation, Air Conditioning (HVAC), Building Automation/Temperature Control, Plumbing, and Refrigeration Systems.
What Makes Us Different?
Unlike many in our sector, we don't believe in one-size-fits-all solutions. At MSD, Inc., we are committed to custom-tailored services that meet your unique needs, both in design and function. Our technicians aren't just employees; they are highly trained specialists, up-to-date with the most current factory-authorized training and licensed certifications. We're not just technicians; we're your partners in providing exceptional service.
Why Choose Us Over the Competition?
In a marketplace flooded with options, we pride ourselves on being the reliable choice. We offer complete coverage day or night, with our service technicians being radio dispatched to ensure timely service. We've been doing this for nearly four decades, and in that time, we've developed an arsenal of authorized techniques for recovering, recycling, reclaiming, and disposing of used refrigerants in the most responsible way.
What Are We Known For?
Quality and versatility are our hallmarks. MSD, Inc. is a one-stop solution provider for every Mechanical, Plumbing, Refrigeration, and Sheet Metal facility need. Our reach extends beyond installation and maintenance; we are a total facility management powerhouse. Whether you're looking to streamline your energy consumption or require intricate plumbing solutions, we're the name you can trust.
Why Did We Get Started?
It all began with a straightforward vision: to provide exceptional, cost-effective services without cutting corners. That vision has remained our guiding star, leading us to where we are today—a rapidly growing company that has never wavered from its mission. We entered this industry to bring quality and reliability to our community, and each day we continue to deliver on that promise.
So, if you're in search of a mechanical solutions provider who can truly do it all, look no further. With a proven track record in professional service and a deep-rooted commitment to our community, MSD, Inc. has you covered—today, tomorrow, and for years to come.
Commercial Experience
Regions & Counties Serviced
- Cincinnati, Columbus, Dayton - Southern Ohio
Indiana 3
- Dearborn
- Franklin
- Wayne
Ohio 18
- Brown
- Butler
- Champaign
- Clark
- Clermont
- Clinton
- Darke
- Fayette
- Franklin
- Greene
- Hamilton
- Logan
- Madison
- Miami
- Montgomery
- Preble
- Shelby
- Warren
Our CSI Codes
Associations & Memberships
![BBB (Better Business Bureau) BBB (Better Business Bureau)](https://pvu.thebluebook.com/inc/img/nonQP/16/279/A925DB58-B7F9-8472-F7B6FFAE00F7341C.jpg?height=64&width=100&mode=pad&quality=90&bgcolor=white&scale=both)
![NFIB (National Federation of Independent Businesses) NFIB (National Federation of Independent Businesses)](https://pvu.thebluebook.com/inc/img/nonQP/16/351/E0F0D2CB-B369-51F0-EC3458A83924D8A1.gif?height=64&width=100&mode=pad&quality=90&bgcolor=white&scale=both)
![Builders Exchange of Dayton Builders Exchange of Dayton](http://www.thebluebook.com/images/logos/associations/Builders Exchange of Dayton.gif?height=64&width=100&mode=pad&quality=90&bgcolor=white&scale=both)
![Dayton Area Chamber of Commerce Dayton Area Chamber of Commerce](http://www.thebluebook.com/images/logos/associations/Dayton.Chamber.of.Commerce.gif?height=64&width=100&mode=pad&quality=90&bgcolor=white&scale=both)
![Miami County Safety Council Miami County Safety Council](http://www.thebluebook.com/images/logos/associations/Miami.Safety.Council.gif?height=64&width=100&mode=pad&quality=90&bgcolor=white&scale=both)
![OSHA (Occupational Safety & Health Administration) OSHA (Occupational Safety & Health Administration)](https://pvu.thebluebook.com/inc/img/nonQP/16/6033/D9FF3FFA-F4F1-8E27-39429855FF9E9F88.jpg?height=64&width=100&mode=pad&quality=90&bgcolor=white&scale=both)
![PHCC (Plumbing, Heating, Cooling Contractors Assn.) PHCC (Plumbing, Heating, Cooling Contractors Assn.)](https://pvu.thebluebook.com/inc/img/nonQP/16/6395/8FB841A6-AD9E-4B95-745DCA7E38A17E36.jpg?height=64&width=100&mode=pad&quality=90&bgcolor=white&scale=both)
![Associated Builders and Contractors Associated Builders and Contractors](https://pvu.thebluebook.com/inc/img/nonQP/16/1/ABCNational.gif?height=64&width=100&mode=pad&quality=90&bgcolor=white&scale=both)
![Engineers Society of Dayton Engineers Society of Dayton](https://pvu.thebluebook.com/inc/img/nonQP/16/26579/A5415C8C-24E8-624C-1A781562C750FA2B.png?height=64&width=100&mode=pad&quality=90&bgcolor=white&scale=both)
Preferred Brands
![Daikin Air Conditioning Daikin Air Conditioning](http://www.thebluebook.com/images/logos/brands/daikin.gif)
![APC (American Power Conversion) APC (American Power Conversion)](http://www.thebluebook.com/images/logos/brands/apc.gif)
![Stulz Stulz](http://www.thebluebook.com/images/logos/brands/stulz.gif)
![Cleaver-Brooks Boiler Systems Cleaver-Brooks Boiler Systems](http://www.thebluebook.com/images/logos/brands/cleaver_brooks_boiler_sys.gif)
![Lochinvar Lochinvar](http://www.thebluebook.com/images/logos/brands/lochinvar.gif)
![RBI Water Heaters RBI Water Heaters](http://www.thebluebook.com/images/logos/brands/RBI.gif)
![Fulton Boilers Fulton Boilers](http://www.thebluebook.com/images/logos/brands/fulton.gif)
![Patterson-Kelley Patterson-Kelley](http://www.thebluebook.com/images/logos/brands/Patterson Kelley.gif)
![Raypak Raypak](http://www.thebluebook.com/images/logos/brands/raypak.gif)
![McQuay Air Conditioning McQuay Air Conditioning](http://www.thebluebook.com/images/logos/brands/mcquay_air_conditioning.gif)
![JCI JCI](http://www.thebluebook.com/images/logos/brands/JCI.gif)
![Trane Trane](http://www.thebluebook.com/images/logos/brands/trane.gif)
![Climacool Climacool](http://www.thebluebook.com/images/logos/brands/Climacool.gif)
![Multistack Multistack](http://www.thebluebook.com/images/logos/brands/multistack.gif)
![Smardt Smardt](http://www.thebluebook.com/images/logos/brands/smardt.gif)
![Alerton Building Automation Alerton Building Automation](http://www.thebluebook.com/images/logos/brands/alerton.gif)
![Andover Controls Andover Controls](http://www.thebluebook.com/images/logos/brands/AndoverControls.gif)
![ASI HVAC Controls ASI HVAC Controls](http://www.thebluebook.com/images/logos/brands/ASI.Controls.gif)
![Automated Logic Automated Logic](http://www.thebluebook.com/images/logos/brands/automated_logic.gif)
![Delta Controls Delta Controls](http://www.thebluebook.com/images/logos/brands/delta controls.gif)
![Distech Controls Distech Controls](http://www.thebluebook.com/images/logos/brands/Distech.gif)
![Honeywell Honeywell](http://www.thebluebook.com/images/logos/brands/honeywell.gif)
![Innotech Innotech](http://www.thebluebook.com/images/logos/brands/innotech.gif)
![Invensys Invensys](http://www.thebluebook.com/images/logos/brands/Invensys.gif)
![Johnson Systems Johnson Systems](http://www.thebluebook.com/images/logos/brands/JohnsonSystems.gif)
![KMC Controls KMC Controls](http://www.thebluebook.com/images/logos/brands/kmc_controls.gif)
![Schneider Electric Schneider Electric](http://www.thebluebook.com/images/logos/brands/schneider_electric.gif)
![Siemens Siemens](http://www.thebluebook.com/images/logos/brands/siemens.gif)
![Tridium Tridium](http://www.thebluebook.com/images/logos/brands/tridium.gif)
![Fujitsu General Fujitsu General](http://www.thebluebook.com/images/logos/brands/Fujitsu General.gif)
![LG LG](http://www.thebluebook.com/images/logos/brands/LG.gif)
![Mitsubishi Mitsubishi](http://www.thebluebook.com/images/logos/brands/mitsubishi.gif)
![Samsung Samsung](http://www.thebluebook.com/images/logos/brands/samsung.gif)
![Panasonic Panasonic](http://www.thebluebook.com/images/logos/brands/panasonic.gif)
![Sanyo Sanyo](http://www.thebluebook.com/images/logos/brands/sanyo.gif)
![Toshiba Toshiba](http://www.thebluebook.com/images/logos/brands/toshiba.gif)
![Data Aire Data Aire](http://www.thebluebook.com/images/logos/brands/data_aire.gif)
![Liebert Liebert](http://www.thebluebook.com/images/logos/brands/liebert.gif)