The Thielmann Group
HVAC contractor in New Berlin, WI 53151
About this company
The Thielmann Group is listed as an HVAC contractor at 17020 W National Ave in New Berlin, Wisconsin, in Waukesha County. Federal motor carrier records list 24 drivers and 5 trucks for the company. It is one of 9 HVAC companies in ZIP 53151.
Other HVAC companies nearby
Ideal Mechanical5477 S Westridge Ct, New Berlin
1.5 mi(414) 358-2505
Akrit Refrigeration & Appliance Service17300 W Cleveland Ave, New Berlin
1.9 mi(800) 678-2578
Gregg Heating & Air Conditioning2165 S 170th St, New Berlin
2.7 mi(262) 379-8263
Dust Free Ducts12045 W Howard Ave, Milwaukee
3.1 mi(414) 541-7344
Donovan & Jorgenson16935 W Greenfield Ave, New Berlin
3.5 mi(262) 784-6440
Housing market around ZIP 53151
Figures describe the local area, not this company.
Typical home value$452,000+5.0% past year · +77% in 10 years
12-month value outlook+3.0%
Days to sale agreement22Milwaukee metro · 21 a year ago
New homes permitted, 20251,178Waukesha County
Listings with a price cut20.5%Milwaukee metro
Sale price vs list101.6%Milwaukee metro
New construction sales79Milwaukee metro, Aug · +8% from last year
Source: Zillow (home values, rent, outlook and metro sales), data through Sep 2026. Permits: U.S. Census Bureau.
Typical home value, last 10 years
Source: Zillow Home Value Index, Sep 2026.
Local building angle: Waukesha County permitted 1,178 new homes in 2025, including 74 apartment units. 16% of the homes in this ZIP were built since 2000.
Local figures are estimates from public records and Zillow housing data, updated regularly.