BBB Accredited Business Profile

Thielmann & Son Heating & Cooling

Thielmann & Son Heating & Cooling

(262) 786-2000

Thielmann & Son Heating & Cooling

89 years in business
17020 W National Ave
New Berlin, WI 53151-5524
Additional Phone Numbers
  • (262) 673-2500
  • (262) 293-9285
  • (262) 763-2653
BBB File Opened: 03/01/1987
Business Started: 01/01/1929
Business Started Locally: 01/01/1929
Business Incorporated: 04/27/2005 in WI
Type of Entity
Contact Information
  • Principal: Mr. Bradley A. Smith, President
  • Mr. Jason A. Peck, Vice President
  • Mr. Thomas G. Stoll, Vice President
  • Customer Service: Ms. Nancy Drahos, Office Manager
Business Category
  • Heating and Air Conditioning
  • Air Conditioning Contractor
  • Boiler Repair
  • Heat Pump
  • Heating Contractors
  • Commercial Air Conditioning Contractors
  • Air Conditioning Repair
  • Air Conditioning Cleaning
  • Duct Cleaning
  • Heating System Repair

Service Area
We service the following area(s): DODGE County, WI, KENOSHA County, WI, MILWAUKEE County, WI, OZAUKEE County, WI, RACINE County, WI, WALWORTH County, WI, WASHINGTON County, WI, WAUKESHA County, WI
Alternate Business Names
  • Hartford Heating & Air Conditioning, Inc.
  • Thielmann & Son Heating & Air Conditioning
Licensing, Bonding or Registration
This business is in an industry that may require professional licensing, bonding or registration. BBB encourages you to check with the appropriate agency to be certain any requirements are currently being met.
Refund & Exchange Policy: 
Over the counter sales are final. All others are handled on a case-by-case basis.
BBB accredited business



This company offers residential and commercial heating and air conditioning installation, service and repair, sheet metal work, and ductwork.

BBB Reason for Ratings

BBB rating is based on 13 factors: Get the details about the factors considered.

Licensing information is provided in the BBB Business Profiles to inform the public about industries that may require professional licensing, bonding, or registration. Better Business Bureau encourages you to check with the appropriate agency to be certain any requirements are currently being met.
BBB promotes truth in advertising by contacting advertisers whose claims conflict with the BBB Code of Advertising. These claims come to our attention from our internal review of advertising, consumer complaints and competitor challenges. BBB asks advertisers to substantiate their claims, change ads to make offers more clear to consumers, and remove misleading or deceptive statements.
BBB reports on known significant government actions involving the business's marketplace conduct.
BBB reports on a company that is out of business for one year from the date the company closes its doors or ceases to do business.
BBB reports on unauthorized use of the Better Business Bureau's name and/or logo for as long as the business continues to use it in any advertising, or for one year after the business ceases any repeated unauthorized uses.
BBB reports on a business’s bankruptcy as long as the business remains in bankruptcy.
BBB reports when mail sent to the business was returned by the Postal Service.

Thielmann & Son Heating & Cooling

Thielmann & Son Heating & Cooling


Customer Review Rating:

This business has no complaints filed

Composite Score: