Article
M&A in practice
The number that made me open a spreadsheet on a Sunday
A Blackstone HVAC deal reveals the real test for roll-ups: can you document every acquisition on demand, for buyers and regulators alike?
Article
M&A in practice
A Blackstone HVAC deal reveals the real test for roll-ups: can you document every acquisition on demand, for buyers and regulators alike?
July 23, 2026
•
5 min

18.5x.
That's the multiple Blackstone reportedly paid for Champions Group, a residential HVAC platform, valuing it around $2.5 billion on roughly $140 million of EBITDA. I saw the headline on a Friday and was still thinking about it two days later, which is usually a sign I should write something down.
Here's what stuck with me. Nobody builds a platform at 18.5x by finding one great company. You get there by buying dozens of decent ones at 5 to 10x each, then closing the gap between those numbers yourself. Sourcing, diligence, integration, repeated enough times that the market starts pricing the process instead of the individual deal.
That's the part I want to talk about, because it's easy to miss if you only read the headline.
Every serial acquirer I talk to can tell me their entry multiple. Fewer can tell me with confidence how many of their acquired businesses are actually running on one system by the time a buyer shows up to do diligence on the platform itself.
That gap matters more than people think. An exit at 17 to 20x only works if the platform is genuinely one company, not forty companies wearing the same logo. Buyers have gotten good at telling the difference. They ask for the full deal history. They want to see how many earn-outs are still in dispute, how much key-person risk is sitting in businesses that never got integrated, how many of those tuck-ins are still running their own AP process three years later.
Platforms that can produce that history on demand trade toward the top of the range. Platforms reconstructing it from old email threads trade toward the bottom. Same sector, same rough growth story, real difference in what someone will pay for it.
I've started thinking of it less as an M&A skill and more as a record-keeping problem with very expensive consequences.
Buried in a set of much less exciting headlines: the FTC and DOJ have started treating serial acquisition itself as something worth scrutinizing, not just individual deals. Updated HSR filing requirements now ask acquirers to disclose their prior acquisition history, specifically so regulators can identify roll-up patterns. Healthcare platforms are getting a second look from HHS on top of the usual antitrust review.
My first reaction was that this is a compliance story. My second reaction, a few days later, was that it's actually the same story as the Blackstone deal.
Both the exit market and the regulators are asking the acquirer to answer the same question: can you show your work? Not "did you close forty deals," but "can you produce, on request, a complete and coherent record of what you bought, when, on what terms, and where it stands today."
A company that can answer that question walks into an HSR second request with the record already assembled. The same company walks into an exit conversation with a buyer able to verify the platform is real rather than aspirational. Teams that run a structured due diligence process from the first deal onward tend to have that record already, instead of reconstructing it under pressure.
I don't think that's a coincidence. I think "can you document your own history" is quickly becoming the actual test of whether a roll-up works, and most of the market is still treating it as paperwork rather than the thing the multiple is actually paying for.
If commercial HVAC follows residential's path over the next two years the way it looks like it might, the platforms that build a clean, repeatable process now, before the market reprices, are the ones that end up on the right side of that spread later. I'd rather be early to that than early to the next hot vertical.
If you're running a platform and you can't currently pull a complete history of every acquisition in under a day, that's worth a conversation, with your team or with us.
Jul 23, 2026
•
5 min
