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Size: 20-49 Employees
Annual Vol: Undisclosed

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Experience the Difference!!

Thielmann & Son Heating has been providing the best climate comfort products along with money saving solutions and superior customer service to Southeast Wisconsin since 1929. Our team prides ourselves on timely service, competitive pricing, attention to detail and our willingness to always go the extra mile for our customers.

We hire smart people who work hard and are fun to be around. Everyone from our certified heating and cooling technicians, indoor air quality specialists, refrigeration certified experts, and knowledgeable office professionals does whatever it takes to keep our customers comfortable. When you work with our skilled crew, you can rest assured that your home comfort will be taken care of. 

OUR FURNACE, BOILER, AND AIR CONDITIONER INSTALLATION AND REPAIR SERVICES ARE A STEP ABOVE!

In 2020, Thielmann & Son Heating acquired a trustworthy name in the industry, Roth Heating Co. Inc. This now equips them to handle new construction installs and service work in the Greater SE Wisconsin corner with offices located in Hartford, New Berlin, Oak Creek and Burlington. 

What We Do

Products/Services Relating to Boilers

Project Experience

Labor:
Non-Union
Service Sector:
Public Private
Project Types:
New Alterations/Renovations Interior Fit-Ups Service Work/Repairs
Project Size:
Up to $40,000,000
Commercial
Education (K-12)
School / College / University
Gas Station
Hospital / Nursing Home
Hotel / Motel
Industrial Maintenance
House
Manufacturing Plant
Apartments & Condominiums
Office Building
Church / Synagogue
Retail Store
Restaurant
Club House / Community Center
Mixed Use
Storage Facility / Warehouse
Grocery Stores
Assisted Living
Single Family Residential
Auto Dealership / Service
Bank
Misc Project
Non-Building Construction
Non-Residential Building
Animal Hospital / Kennel
Fitness Center
Residential Building

Service Areas

Preferred Brands & Manufacturers

Lennox
Lennox
Carrier
Carrier
Daikin Air Conditioning
Daikin Air Conditioning
Bryant Heating & Cooling Systems
Bryant Heating & Cooling Systems
Honeywell
Honeywell
Aprilaire
Aprilaire
Mitsubishi Electric
Mitsubishi Electric
Nest Thermostats
Nest Thermostats
Ecobee Energy Solutions
Ecobee Energy Solutions
LG
LG
Sanyo Fisher
Sanyo Fisher
Buderus
Buderus
Fujitsu IT Products
Fujitsu IT Products
NTI (NY Thermal Inc.)
NTI (NY Thermal Inc.)
Burnham by U.S. Boiler Co.
Burnham by U.S. Boiler Co.
Weil-McLain
Weil-McLain
New Yorker Boilers
New Yorker Boilers

Associations & Memberships

Member of Angie's List Angie's List
Member of BBB (Better Business Bureau) A+ Rating BBB (Better Business Bureau) A+ Rating
Member of Burlington County Chamber of Commerce Burlington County Chamber of Commerce
Member of Focus on Energy Focus on Energy
Member of Hartford Area Chamber of Commerce Hartford Area Chamber of Commerce
Member of NARI (National Assn. of the Remodeling Industry) NARI (National Assn. of the Remodeling Industry)
Member of NATE (North American Technician Excellence) NATE (North American Technician Excellence)
Member of Yelp Yelp
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