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19 Years
experience
Emergency
services
Your Trusted HVAC Partner in Spencer, IN
Truesdel Heating & Cooling has been serving residential and commercial clients in Spencer, IN, and surrounding areas since 2007. Our team of certified technicians specializes in heating, cooling, and air quality solutions, prioritizing personalized service and customer education. With over 35 years of combined experience, we offer Tempstar and WaterFurnace systems, geothermal technology, and Mitsubishi split systems tailored to individual needs.

We maintain rigorous training standards to ensure technical excellence while treating every property with respect during installations and repairs. Our commitment to quality extends to 24/7 emergency service and flexible financing options through Synchrony Financial. As the largest HVAC company in Owen County, we combine local expertise with industry-leading technology to deliver reliable, energy-efficient comfort solutions.
Services
Heating Systems Cooling Systems Geothermal Installation Air Quality Solutions HVAC Maintenance Commercial HVAC Services
Details
  • Year established: 2007
Highlights and features
  • 35+ years of combined HVAC experience with certified technicians
  • Customized solutions based on detailed property assessments
  • 24/7 emergency service with clean, respectful installations
  • Financing options through Synchrony Financial for new systems
  • Specialized expertise in geothermal and Mitsubishi split systems
What people say
Fast, friendly service True professionals Best HVAC company Knowledgeable technicians Excellent customer care
Services
Heating Systems
We install high-efficiency Tempstar gas furnaces with variable-speed blower motors for optimal winter comfort. Our systems integrate with cooling equipment to manage humidity year-round. Available in budget-friendly Performance Series and premium Ion Series models for whole-home heating solutions.
Cooling Systems
Our Tempstar air conditioning systems provide quiet, energy-efficient cooling with advanced dehumidification. We offer Performance Series units and Ion Series systems with smart controls for enhanced summer comfort. All installations include comprehensive maintenance planning.
Geothermal Systems
WaterFurnace geothermal systems harness underground thermal energy for heating, cooling, and hot water. These eco-friendly systems reduce energy costs by up to 70% while maintaining consistent indoor temperatures through natural, renewable technology.
Air Quality Solutions
We install GeneralAire air cleaners and Aprilaire humidifiers/dehumidifiers to remove particulates, germs, and gases. Our solutions address allergy concerns and protect property investments while maintaining optimal indoor humidity levels for health and comfort.
HVAC Maintenance
Our preventive maintenance agreements ensure optimal system performance through regular inspections and tune-ups. Technicians receive ongoing training to service all HVAC equipment types, including older systems and modern geothermal installations.
People
Mark Truesdel
Owner
With over 35 years in the HVAC industry, Mark founded Truesdel Heating & Cooling in 2007. He leads our team in delivering expert service while maintaining a customer-first approach to system installations and repairs.
Holli Truesdel
Owner
As co-owner, Holli ensures our office operations run smoothly while maintaining our commitment to customer satisfaction. She works closely with our team to uphold the company's standards of excellence in every service interaction.
Jennifer Kelley
Office Manager
Jennifer coordinates our scheduling and customer communications, ensuring timely responses to all inquiries. Her organizational skills help maintain our 24-hour emergency service availability and efficient appointment management.
Gage Truesdel
Technician
Gage provides hands-on HVAC service with specialized training in system installations and repairs. He follows strict protocols to maintain clean work environments while delivering technical expertise to every customer's home.
Questions
What HVAC services do you offer?
We provide heating and cooling system installations, geothermal solutions, air quality products, maintenance agreements, and 24/7 emergency repair services for residential and commercial properties.
Do you offer financing options?
Yes, we partner with Synchrony Financial to provide special financing options for new heating and air conditioning equipment installations.
Are you available for emergencies?
Our emergency HVAC services operate 24 hours a day, 7 days a week, 365 days a year. Call 812-829-1450 for immediate assistance.
Which areas do you service?
We serve Spencer, Bloomington, Gosport, Ellettsville, and surrounding areas in Owen and Monroe counties, Indiana.
What maintenance plans are available?
Our HVAC maintenance agreements include regular system inspections and tune-ups to ensure optimal performance and extend equipment lifespan. Plans cover heating, cooling, and air quality systems.
Why choose your company?
We combine 35+ years of experience with certified technicians, personalized solutions, and 24/7 emergency availability while maintaining clean work environments during all service calls.