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MilwaukeeTopRated / HVAC & Air Conditioning

Thielmann Heating, Cooling & Plumbing

★★★★½ 4.9 · 1917 Google reviews · 17020 W National Ave

#4 in HVAC & Air Conditioning
Rankings updated September 2026 from Google ratings and review volume
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Thielmann Heating, Cooling & Plumbing Independent · Locally Owned Is this your business? Claim it free
17020 W National Ave, New Berlin, WI 53151, USA
Hours
Monday: Open 24 hours
Tuesday: Open 24 hours
Wednesday: Open 24 hours
Thursday: Open 24 hours
Friday: Open 24 hours
Saturday: Open 24 hours
Sunday: Open 24 hours
Call 262-600-3027Visit website
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Why Thielmann Heating, Cooling & Plumbing ranks here

Thielmann Heating, Cooling & Plumbing holds a 4.9 star average across 1917 Google reviews, which places it at #4 for HVAC and air conditioning companies in Milwaukee on our rankings. Positions come from verified public ratings and review volume. See the full list on the HVAC & Air Conditioning rankings page.

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