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43 Years
experience
Emergency
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Trusted HVAC Services in Beloit, WI
Thiele Heating & Air Conditioning Beloit has been a family-owned and operated business since 1983, founded by Roger and Peggy Thiele. We specialize in heating, air conditioning, and refrigeration services for residential homes and local businesses across Southern Wisconsin and Northern Illinois. Our team of highly trained technicians delivers quality workmanship for top industry brands, prioritizing energy-efficient solutions and exceptional customer service. With over 30 years of experience, we maintain a BBB-accredited status and a strong reputation for reliability.

Our commitment to excellence includes annual preventative maintenance programs and prompt, professional service for urgent needs. We take pride in offering transparent pricing and personalized support, ensuring long-term customer satisfaction. Our leadership team, including President Scott Thiele, continues to uphold the values of integrity and expertise established at our founding. Through consistent service improvements and community engagement, we remain a trusted local HVAC provider.
Services
Maintenance Heating Cooling HVAC Installation Refrigeration Repair
Details
  • Year established: 1983
Highlights and features
  • 30+ years of family-owned HVAC expertise
  • Skilled technicians with industry certifications
  • BBB-accredited business with 4+ star ratings
  • Energy-efficient solutions for top brands
  • 24/7 emergency service availability
Associations and certifications
  • BBB
What people say
Great service Prompt repairs Professional technicians Fair pricing Reliable solutions
Services
Maintenance
Our annual preventative maintenance ensures optimal HVAC performance. Technicians conduct thorough inspections, clean components, and identify potential issues before they escalate. This service extends equipment lifespan while maintaining energy efficiency for residential and commercial properties.
Heating
We install and repair furnaces, boilers, and heat pumps from leading brands. Our technicians address thermostat issues, heating inconsistencies, and system failures. Energy-efficient solutions maintain comfort during winter while reducing utility costs for homeowners and businesses.
Cooling
Air conditioning and refrigeration services include installation, repair, and maintenance of cooling systems. Our experts handle AC units, ice machines, and commercial refrigeration equipment. We ensure consistent cooling performance during summer months while optimizing energy consumption.
People
Roger Thiele
Founder
Established Thiele Heating in 1983, bringing decades of HVAC expertise. Trained his son Scott to continue the family business legacy with the same commitment to quality and customer service.
Scott Thiele
President
President since 2005, Scott oversees daily operations and service delivery. He maintains his father's standards while implementing modern HVAC technologies and expanding service capabilities.
Erin Loomis
Business Manager
Manages administrative operations and customer relations. Ensures efficient scheduling and transparent communication between clients and technical teams.
Questions
What HVAC services do you offer?
We provide heating, cooling, refrigeration, and maintenance services for residential and commercial properties in Southern Wisconsin and Northern Illinois.
Are you available for emergency repairs?
Yes, we offer 24/7 emergency HVAC services for urgent heating and cooling system failures.
Do you service all HVAC brands?
Our technicians work with all major HVAC brands including Carrier, Trane, Lennox, and Goodman equipment.
How can I schedule maintenance?
Call us at (608) 365-3102 or use our online contact form to schedule annual preventative maintenance checks.
Are you BBB accredited?
Yes, we maintain Better Business Bureau accreditation with an A+ rating and 4+ star customer reviews.