Parity › Who owns it › Thielmann Group
Logo from its own websiteOn the record · owner not named on its home or about page
Who owns Thielmann Group?
The short answer
Thielmann Group is owned by Heartland Home Services. It is not an independent local business.
Acquisitions: 2022-06-21 · 36 brands under this parent
Quick facts
- Company
- Thielmann Group
- Trade
- HVAC / Plumbing / Electrical
- Based in
- New Berlin, WI · All investor-owned companies in Wisconsin → Also: Slinger, WI · Oak Creek, WI · Burlington, WI · Waterford, WI · Mequon, WI
- Owned by
- Heartland Home Services · their site
- Acquired
- 2022-06-21
- Ownership disclosed?
- No: we found no mention of Heartland Home Services on the company’s home or about pages when we checked on 2026-09-14.
What its website says about its history
“Thielmann Heating, Cooling & Plumbing has provided quality heating, cooling, and HVAC services to Southeastern Wisconsin since 1929.”Company website, captured by script 2026-10-11 :: https://thielmannheating.com/
What it doesn’t say
Who has owned it since 2022: Heartland Home Services, which acquired it in June 2022.About Thielmann Group
Thielmann Group provides HVAC / Plumbing / Electrical services in New Berlin, WI. It operates under its original local name and is owned by Heartland Home Services.
What this means before you call
The name on the truck is not the owner. In investor-owned home-service groups, pricing books, the sales process and financing offers are commonly set centrally rather than by the local office. What to check before you sign →
Sources
- hvacrollups deal record: source (2022-06-21)
- hvacrollups company profile: source (2026-09)
- Thielmann Group website (claim): source (2026-09-14)
- Thielmann Group'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 6 offices, also in Slinger, WI, Oak Creek, WI, Burlington, WI, Waterford, WI, Mequon, WI: source (2026-10-26)
Other brands under Heartland Home Services
Reliable ComfortKobellaHurlburt Heating, AC & PlumbingBlue Frost Heating & CoolingBuckner's Heating and CoolingCustom MechanicalDeljo Heating and CoolingPat's Heating and Air ConditioningWilliams Heating and CoolingRandazzo Heating, Cooling and ElectricalHager Fox Heating & Air ConditioningSuperior Drainage & Plumbing
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 Thielmann Group or Heartland Home Services? Verify or contest this page · How we check · Corrections policy. Page generated 2026-10-26 from Parity’s records.