Hartford Heating And Air Conditioning (USDOT 3238687)
DBA John Thielmann And Son Heating And Air Conditoning
USDOT 3238687 · Active · New Berlin · WI
Public listing
- Legal name
- Hartford Heating And Air Conditioning
- License or register id
- USDOT 3238687
- Status
- Active
- State
- WI
- City
- New Berlin
- Category
- Private Property
- Phone
- +1 (262) 786-2000
- Address
- 17020 W National Ave, New Berlin, WI, 53151-5524
- Official source
- FMCSA Company Census
Verify this record on the official source named above before you hire, fund, or rely on it. An index listing is not an endorsement, a rating, or a review. Empty phone or address means that public file did not include it.
Census fleet
- Power units
- 5
- Drivers
- 24
- Operation
- Intrastate non-hazmat
- Classification
- Private Property
- Census status
- Active
- Trucks
- 5
- MCS-150 mileage
- 0 (0)
- MCS-150 date
- 20190129
- Fleet size
- 4–6 power units
- Hazmat
- No
- Company officer
- Bradley A Smith, Thomas G Stoll Jr.
- Mailing address
- 17020 W National Ave, New Berlin, WI, 53151-5524
Company Census fields (fleet, safety, cargo, officers, mailing). VIN/plate come from SMS Input joins when present.
Inspections
- Inspection count
- 1
Aggregated from public SMS Input – Inspection (rbkj-cgst). Counts are offline; samples are newest-first.
About
Hartford Heating And Air Conditioning is in the FMCSA Company Census as USDOT 3238687. census status Active. address 17020 W National Ave, New Berlin, WI, 53151-5524. 5 power units. 24 drivers. Private Property. Intrastate non-hazmat operation. Source: public FMCSA Company Census. Not an FMCSA endorsement.
How to verify
How do I verify Hartford Heating And Air Conditioning?
Match the legal name and USDOT 3238687 on FMCSA SAFER. BrokerMafia republishes the public Motus and Company Census record and does not endorse the firm.
What does this listing show?
Operating authority, USDOT, census fleet, and insurance filings when those fields are on the FMCSA extract.

