Parity › Who owns it › Williams Comfort Air
On the record · owner not named on its home or about page

Who owns Williams Comfort Air?

The short answer

Williams Comfort Air is owned by Wrench Group, a private-equity rollup backed by Leonard Green & Partners / TSG Consumer Partners / Oak Hill Capital. It is not an independent local business.

Acquisitions: 2021-06 · 29 brands under this parent
Quick facts
Company
Williams Comfort Air
Trade
HVAC / Plumbing
Based in
Indianapolis IN · All investor-owned companies in Indiana → Also: Indianapolis, IN · Carmel, IN · Noblesville, IN · Greenwood, IN · Fishers, IN · Plainfield, IN
Owned by
Wrench Group · their site
Backed by
Leonard Green & Partners / TSG Consumer Partners / Oak Hill Capital
Acquired
2021-06
Ownership disclosed?
No: we found no mention of Wrench Group on the company’s home or about pages when we checked on 2026-09-14.
What its website says about its history
“Since 1966, we continue to offer dependable, fast service for your air conditioner, furnace, heat pump, home plumbing and electrical system, with 24-hour emergency services available.”
Company website, captured by script 2026-10-11 :: https://williamscomfortair.com/
What it doesn’t say
Who has owned it since 2021: Wrench Group, which acquired it in June 2021.

About Williams Comfort Air

Williams Comfort Air provides HVAC / Plumbing services in Indianapolis IN. It still trades under its original local name and is owned by Wrench Group, a private-equity-backed home-services group (Leonard Green & Partners / TSG Consumer Partners / Oak Hill Capital).

What this means before you call

The name on the truck is not the owner. In investor-owned home-service groups, the price book, the sales process and the financing offers are usually set centrally, not at the local office. What to check before you sign →

Sources

  • Investcorp announces sale of The Wrench Group to Leonard Green: source (2019-04-08)
  • TSG Consumer Partners & Oak Hill partner with Leonard Green: source (2022)
  • Wrench Group brand list (24 brands): source (2026-09)
  • Wrench Group Our Story: source (2026-09)
  • Coolray About Us (no parent disclosed): source (2026-09)
  • Parker & Sons About Us (no parent disclosed): source (2026-09)
  • Williams Comfort Air and Mr. Plumber acquired by Georgia company: source (2021-06-01)
  • Williams Comfort Air's own website (its words about its history): source (2026-10-11)
  • Its own website shows this logo: source (2026-10-15)
  • Its own site lists 7 offices, also in Indianapolis, IN, Carmel, IN, Noblesville, IN, Greenwood, IN, Fishers, IN, Plainfield, IN: source (2026-10-26)

Other brands under Wrench Group

Parity is an editorial publication. Ownership facts are sourced from public filings and company-published material; we make no claim about the quality of any individual technician. Represent Williams Comfort Air or Wrench Group? Verify or contest this page · How we check · Corrections policy. Page generated 2026-10-26 from Parity’s records · parent record verified September 2026.