Flow Service Partners, backed by Quad-C Management, has acquired Altman Air Conditioning, a commercial HVAC and mechanical services provider based in Lake Park, Florida. Altman will continue operating under its existing name within the Flow platform. Terms were not disclosed.
The asset.
Altman was founded in 1985 and works solely on commercial and industrial applications. Its scope runs from conceptual design through installation and follow-up maintenance — HVAC design and construction, commercial unit replacements, fast-track replacement work, full-service repair, and ongoing maintenance. The technical range extends to chillers, cooling towers, clean rooms, thermal storage, custom glycol systems, and process refrigeration, serving healthcare, education, industrial plants, and high-rise buildings across South Florida. Bruce Cropp is president.
The profile is what a commercial buyer underwrites: four decades in a single market, revenue weighted toward service and maintenance rather than a project pipeline, and capability on equipment that requires specialized, hard-to-replace labor.
The platform.
Flow was formed in 2021 and is headquartered outside Nashville. It operates as an HVACR and plumbing services platform, acquiring locally rooted service businesses and preserving their brands and cultures while supplying capital, shared resources, and operating practices. Daniel Youman is chief executive. Quad-C announced its investment in November 2024.
With Altman, Flow’s roster spans seven brands: Cortez Heating & Air Conditioning in Bradenton, Florida; Weber Refrigeration and Heating in Dodge City, Kansas; Perfection Heating, Air Conditioning and Refrigeration and Altstadt Hoffman Plumbing, both in Evansville, Indiana; R. Brooks Mechanical in Rising Sun, Maryland; Dynamic Air Solutions in Louisville, Kentucky; and now Altman.
The Florida logic is specific. Cortez, established in 1964, is a commercial mechanical contractor working out of Bradenton on the Gulf coast. Altman sits in northern Palm Beach County, on the Atlantic side. The two do not overlap, and together they give Flow commercial coverage across both coasts of the state. Quad-C partner Jack Walker described the transaction as advancing a strategy of “building density in attractive markets.”
Quad-C, founded in 1989 and based in Charlottesville, Virginia, invests in established middle-market services and industrials businesses.
The commercial HVAC landscape.
Commercial mechanical is being consolidated on different terms than most trades. Buyers are underwriting recurring maintenance agreements, service technician headcount, and the ability to hold a defined metro’s building stock. The labor constraint does much of the work: a contractor carrying chiller, controls, and refrigeration technicians on payroll is difficult to replicate from scratch, and that scarcity is what makes an established local shop worth buying rather than building.
The consequence is a buyer set that keeps looking for the same profile — decades in market, service-weighted revenue, complex equipment capability, and a management team willing to stay through a transition. Owners who fit that description are fielding more inbound interest than they were two years ago.
What it means.
Density is beating breadth. Adding a second brand on the far coast of a state a platform already serves is a different decision than entering an eleventh state, and it suggests buyers are optimizing coverage inside markets they already understand. Expect more transactions that fill in a map rather than extend it.
The value in a commercial mechanical business also sits in places a revenue line doesn’t show: the size and renewal behavior of the maintenance base, the technician bench and what equipment it is certified on, and the split between service and project work. Owners who have those documented walk into a process with materially more leverage than those who don’t.
Own a commercial HVAC or mechanical contracting business?
Will Schryver has advised on transactions in commercial mechanical and has owned and operated in the trades himself, and Schryver & Co. knows the private equity-backed platforms consolidating this space — and what each of them actually pays for. If you’d like an honest read on what your business is worth and which acquirers would genuinely compete for it, we’re glad to talk. No pitch, no pressure.
Get in Touch →