Thielmann Heating, Cooling & Plumbing

HVAC Contractor

(262) 600-3027

17020 W National Ave New Berlin, WI 53151

thielmannheating.com

Open All Day Today

Since 1929, Thielmann Heating, Cooling & Plumbing has been Southeastern Wisconsin’s trusted choice for dependable comfort and quality service. Our experienced team provides expert heating, cooling, and plumbing solutions for homes and businesses, including the installation, repair, and maintenance of high-efficiency furnaces, air conditioners, ductless mini-splits, and indoor air quality systems. We also specialize in plumbing services such as water heater replacement, water treatment systems, and leak detection and repair. Thielmann is committed to delivering the highest level of craftsmanship with over nine decades of experience to every job — ensuring your comfort, safety, and peace of mind year-round.

Hours of Operation

Mon Open All Day
Tue Open All Day
Wed Open All Day
Thu Open All Day
Fri Open All Day
Sat Open All Day
Sun Open All Day

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