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Business Details
34 Years
experience
Emergency
services
Your Trusted HVAC Experts in Indiana and Michigan
Washburn Heating and Cooling has been serving residential and light commercial clients since 1992, specializing in heating, ventilation, and air conditioning systems. Our team of certified technicians provides expert diagnostics and repairs for all major HVAC brands, with particular expertise in geothermal systems. We prioritize service after the sale, offering annual maintenance and remote troubleshooting to minimize downtime and service fees. Our technicians complete diagnostics within 30 minutes and hold extensive training in high-tech HVAC equipment.

Operating across seven Indiana counties and three Michigan counties, we maintain 24/7 emergency availability while adhering to strict licensing and insurance standards. Our leadership brings decades of industry experience, including Master Mechanical licensing in Michigan and specialized geothermal training. We focus on transparent communication, offering direct phone support for system issues and personalized solutions for indoor air quality needs.
Services
HVAC Repair Geothermal Systems Annual Maintenance Diagnostics Emergency Services
Details
  • Year established: 1992
Highlights and features
  • We offer 24/7 emergency HVAC services year-round
  • Our technicians complete diagnostics within 30 minutes
  • Specialized expertise in geothermal system maintenance
  • Remote troubleshooting capabilities save service call fees
  • Master Mechanical licensed technicians in Michigan markets
What people say
Professional and Courteous Company is #1 in our book Excellent service during emergencies Knowledgeable technicians Reliable maintenance solutions
Services
HVAC Repair
We provide comprehensive repair services for all major heating, ventilation, and air conditioning systems. Our certified technicians diagnose issues within 30 minutes and implement efficient solutions. Specializing in both traditional and high-tech equipment, we minimize downtime through remote troubleshooting capabilities and same-day service appointments.
Geothermal Systems
Our team offers specialized maintenance and repair services for geothermal heating and cooling systems. With advanced training in geothermal technology, we address complex system requirements and optimize energy efficiency. Our technicians handle installations, diagnostics, and annual maintenance for residential and light commercial geothermal systems across multiple counties.
Annual Maintenance
We deliver scheduled maintenance programs to ensure optimal HVAC system performance throughout the year. Our technicians perform comprehensive inspections, cleaning, and adjustments to prevent breakdowns. This service includes remote diagnostics capabilities that often resolve issues without requiring on-site visits, saving customers service call fees.
Diagnostics
Our rapid diagnostics service identifies HVAC system issues within 30 minutes using advanced troubleshooting techniques. Technicians utilize phone-based diagnostics to guide homeowners through system resets, potentially resolving issues immediately. For complex problems requiring multiple visits, we maintain transparent fee structures for each diagnostic session.
Emergency Services
We provide round-the-clock emergency HVAC services with immediate phone support available year-round. Our technicians respond to urgent heating and cooling failures during regular business hours and after-hours, with additional charges applying for weekend and evening service calls across our service territories.
People
Stephen P. VanderWerf
Owner
Stephen has over 40 years of HVAC industry experience, including Master Mechanical licensing in Michigan. He founded Geothermal Specialist, Inc. in 2003 and acquired Washburn Heating and Cooling in 2014. His expertise spans geothermal systems, energy management, and residential/commercial HVAC installations.
Eugene Washburn
Founder
Eugene established Washburn Heating and Air Conditioning in 1992 and operated the business through the Air Serve franchise for a decade. He built the company's reputation for quality service before retiring in 2014, transferring the customer base to Stephen VanderWerf.
Questions
What HVAC services do you offer?
We provide installation, repair, and maintenance for all major heating, cooling, and geothermal systems with 24/7 emergency availability.
Do you service geothermal systems?
Yes, we specialize in geothermal system maintenance and repairs with technicians trained in advanced geothermal technology applications.
What are your service hours?
Regular business hours are Monday-Friday 8am-4pm Eastern Time, with 24/7 phone availability for emergency service requests.
Which areas do you serve?
We serve seven Indiana counties (Elkhart, Kosciusko, Lagrange, La Porte, Marshall, Stark, St. Joseph) and three Michigan counties (Berrien, Cass, St. Joseph).
How quickly can you diagnose HVAC issues?
Our technicians complete initial diagnostics within 30 minutes and often resolve issues remotely to minimize service call requirements.
What payment options are available?
We offer online invoice payment with additional charges applying for after-hours service appointments during evenings and weekends.