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13 Years
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Expert HVAC Services in Wentzville, Missouri
Johnson Heating and Cooling was founded in 2013 by Tracy and Shaun Johnson, a husband-and-wife team with over 25 years of combined experience in the HVAC industry. Tracy grew up immersed in the trade through her parents' local HVAC company, while Shaun holds a Journeyman License and brings decades of hands-on expertise. Our family-owned business prioritizes customer education, delivering high-quality, efficient heating and cooling systems tailored to individual needs. We specialize in installation, repair, and maintenance for all HVAC equipment, including geothermal systems, ductless mini-splits, and water heaters.

Our team of NATE-certified technicians is committed to ongoing training, ensuring the latest industry standards are met. We serve Wentzville and surrounding areas, offering competitive pricing and flexible financing options through Wells Fargo. Our Elite Safety & Efficiency Agreement provides biannual maintenance to maximize system longevity and performance. With a focus on transparency and reliability, we aim to build lasting relationships by delivering trustworthy service that prioritizes customer comfort. Our dedication to excellence has earned us a reputation as a leading HVAC provider in the region.
Services
HVAC Installation Furnace Repair Geothermal Systems Ductless Mini-Splits Water Heater Services
Details
  • Year established: 2013
Highlights and features
  • Family-owned and operated since 2013 with deep local roots
  • Technicians are NATE-certified and continuously trained
  • Offers flexible financing options through Wells Fargo
  • Serves Wentzville and surrounding areas with prompt service
  • Committed to customer education and long-term comfort solutions
Associations and certifications
  • NATE (North American Technician Excellence)
Services
HVAC Installation
We install high-quality furnaces, air conditioners, heat pumps, and geothermal systems for new construction and existing homes. Our team educates customers on system options, ensuring optimal comfort and efficiency. With free estimates and expert guidance, we help homeowners choose the best solutions for their needs.
Furnace Repair
Our NATE-certified technicians provide prompt repair for all furnace makes and models. Services include diagnostics, parts replacement, and emergency repairs to restore heating functionality. Regular maintenance ensures reliable performance during winter months, minimizing breakdown risks.
Geothermal Systems
Geothermal systems leverage underground temperatures for 400-600% efficiency, reducing energy costs by up to 80%. We specialize in ClimateMaster installations, offering heating, cooling, and hot water solutions. Ideal for eco-conscious homeowners seeking long-term savings and sustainability.
Ductless Mini-Splits
Ductless mini-splits provide zoned heating and cooling without ductwork. Perfect for room additions or hard-to-heat areas, these systems offer single- or multi-zone options. Our team handles sales, installation, and service for energy-efficient climate control.
Water Heater Services
We offer installation and repair for electric, gas, and heat pump water heaters. Features include sediment-reducing Hydrojet systems and Microban-protected tanks. Emergency repair services ensure quick restoration of hot water access for residential customers.
People
Tracy Johnson
Co-Owner & Office Manager
Tracy Johnson co-founded Johnson Heating and Cooling in 2013, leveraging her lifelong HVAC industry experience from her parents' local business. She manages customer interactions and office operations, bringing warmth and dedication to client relationships.
Shaun Johnson
Co-Owner & Lead Technician
Shaun Johnson, a licensed Journeyman with 25+ years of experience, co-founded the company in 2013. He oversees technical operations, ensuring craftsmanship excellence. His integrity and expertise have earned trust from builders and homeowners across the region.
Questions
What HVAC services do you offer in Wentzville?
We provide installation, repair, and maintenance for furnaces, air conditioners, geothermal systems, ductless mini-splits, and water heaters. Emergency service and financing options are also available.
Do you offer financing for HVAC installations?
Yes, we partner with Wells Fargo to offer flexible financing options for HVAC replacements and upgrades, subject to credit approval.
Are your technicians certified?
All our technicians are NATE-certified and participate in ongoing industry training to maintain expertise in the latest HVAC technologies and best practices.
What areas do you serve?
We serve Wentzville, Foristell, Defiance, Lake St. Louis, O'Fallon, Dardenne Prairie, and surrounding areas in Missouri.
Do you provide emergency HVAC service?
Yes, we offer emergency repair services to address urgent heating and cooling needs outside regular business hours.
What is your Elite Safety & Efficiency Agreement?
This agreement includes biannual system checkups and cleaning to ensure optimal performance, energy efficiency, and longevity of your HVAC equipment.