Business Details
50+ Years
experience
Emergency
services
Your Trusted HVAC Partner in Delavan, WI
Karsten Heating & Cooling was founded in 1961 by our current owner's father, establishing us as a family-owned and operated business rooted in Delavan, Wisconsin. With over six decades of dedicated service, we have built a reputation for delivering exceptional heating and cooling solutions tailored to residential needs. Our team of certified professionals holds industry-recognized credentials, including Rheem and Tempstar dealer certifications, R-410A technician certification, and Refrigerant Handling Technician Certification through the State of Wisconsin. We specialize in new installations, repairs, and servicing for a wide range of HVAC systems, prioritizing energy efficiency and cost-effective solutions through state energy discounts and Rheem cashback programs.Our commitment to quality is reflected in our licensed, bonded, and insured status, ensuring every customer receives reliable, transparent service. We extend our expertise to custom ductwork fabrication, gas piping, and sheet metal work, addressing both standard and complex HVAC requirements. Available 24/7 for emergency services, we combine technical proficiency with personalized care to maintain system longevity and indoor comfort. Our community-centric approach has earned us recognition for professionalism and competitive pricing, serving Delavan and surrounding areas with unwavering dedication. As a testament to our excellence, satisfied customers consistently highlight our trustworthy care, prompt responsiveness, and exceptional service in testimonials.
Services
HVAC Installations
Emergency Repairs
System Servicing
Ductwork Fabrication
Gas Piping
Details
- Year established: 1961
Highlights and features
- Family-owned since 1961 with generational HVAC expertise
- Certified Rheem and Tempstar dealer with specialized technicians
- 24/7 emergency service for urgent heating/cooling needs
- Licensed, bonded, and insured for customer protection
- Offers energy discounts and financing through Wells-Fargo
Associations and certifications
- Rheem Dealer
- Tempstar Dealer
- R-410A Technician Certification
- Refrigerant Handling Technician Certification (State of Wisconsin)
What people say
Trustworthy care
Exceptional service
Prompt emergency response
Energy-efficient solutions
Competitive pricing
Services
HVAC Installations
We specialize in installing high-efficiency heating and cooling systems, including Rheem and Tempstar units. Our technicians ensure proper sizing and configuration for optimal performance. Customers benefit from energy savings and enhanced comfort through modern, reliable equipment.
Emergency Repairs
Available 24/7 for urgent HVAC issues, our certified technicians respond promptly to restore comfort. We handle furnace failures, AC breakdowns, and refrigerant leaks. Emergency service prioritizes safety and rapid resolution for residential clients.
System Servicing
Regular maintenance extends HVAC system lifespan and efficiency. Our services include filter replacement, coil cleaning, and performance checks. Preventative care reduces breakdowns and maintains manufacturer warranties for long-term reliability.
Ductwork Fabrication
Custom ductwork solutions ensure proper airflow and energy efficiency. We design and install tailored systems for new construction or renovations. Precision fabrication minimizes leaks and improves overall heating/cooling effectiveness.
Gas Piping
Professional gas piping installation and repair services support HVAC systems. We ensure safe, code-compliant connections for furnaces and boilers. Regular inspections prevent leaks and maintain system efficiency while prioritizing household safety.
People
Jeff Karsten
Owner/Operator
Third-generation HVAC expert with over 40 years of experience. Certified Rheem Top Technician and Tempstar specialist. Prioritizes customer trust through transparent communication and hands-on problem-solving. Maintains family legacy of excellence in Delavan community.
Questions
What HVAC services do you offer in Delavan?
We provide installations, repairs, maintenance, custom ductwork, and gas piping for residential heating and cooling systems, including 24/7 emergency service.
Are you certified for Rheem and Tempstar products?
Yes, we are certified Rheem and Tempstar dealers with factory-trained technicians for proper installation and warranty support.
Do you offer financing options?
Yes, we provide Wells-Fargo financing for HVAC system upgrades and major repairs to qualified customers.
How quickly can you respond to emergencies?
Our 24/7 emergency service ensures technicians arrive promptly, often within hours of contact, to resolve urgent HVAC issues.
What energy-saving programs are available?
We offer state energy discounts and Rheem cashback rebates to reduce installation costs for energy-efficient systems.
How can I schedule service?
Call (262) 728-3658 during business hours or request appointments online for free estimates and maintenance scheduling.
