Developer - Thielmann Heating and Cooling
Same-Day Service
Heating and cooling emergencies happen when you least expect them. Contact the professionals at The Thielmann Group to assess and fix the situation you're dealing with. We have the necessary skills and tools to fix your system so you can safely use it once again. Call the Thielmann team at (262) 299-6197 to get emergency HVAC services in Southeast Wisconsin.

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Why Choose the Thielmann Group?

Offering Reliable Heating & Cooling in WI for Over 90 Years
  • Same-day services
  • Licensed & insured
  • NATE-certified & background-checked technicians
  • Free estimates on replacement quotes
  • Maintenance plans available
  • Upfront pricing & financing options
  • Military, veteran & senior discounts
  • A+ rating from the Better Business Bureau
  • Lennox Feel the Love partner