AC Repair
Fast troubleshooting for cooling problems, weak airflow, warm air, short cycling, frozen coils, electrical issues, and systems that stop working when Florida heat is at its worst.
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Get Reliable Heating and Air Conditioning Help
Request help for AC repair, heating repair, HVAC maintenance, emergency service, or system replacement from a locally owned HVAC company serving Northeast Florida.
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HVAC Services
Heating and Air Conditioning Services in Northeast Florida
Kiener’s Heating & Air Conditioning provides HVAC repair, maintenance, installation, and indoor comfort services from a licensed contractor with full-system experience.
Steve Kiener has worked through multiple sides of HVAC, including maintenance, service, installation, and licensed contracting. Kiener’s can repair and service all makes and models, including Carrier, Trane, Bryant, Lennox, Rheem, Goodman, Mitsubishi, and other major HVAC brands across Northeast Florida.
24/7
Emergency HVAC service for urgent heating and cooling issues.
NATE Certified
Service backed by certified HVAC training and experience.
Free Estimates
Available for replacement and new installation options.
Second Opinions
Free second opinions for repair quotes over $1,000.
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HVAC Service Options for Your Home
Choose the service that matches your heating, cooling, maintenance, replacement, or indoor comfort concern.
HVAC Maintenance
Preventive maintenance helps protect system performance, reduce breakdown risk, improve airflow, and create opportunities for maintenance agreements.
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System Replacement
Free estimates are available for system replacement and new HVAC installation, including properly sized equipment for your home and comfort needs.
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Heating Repair
Heating and furnace repair services are available when cooler weather arrives and your system needs safe, reliable service.
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Indoor Air Quality
Indoor air quality services can help improve comfort, reduce stale air issues, and support a healthier indoor environment.
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Dehumidifiers
Humidity control can make a major difference in Florida homes, especially when indoor comfort feels sticky even while the AC is running.
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Ductless Mini Splits
Ductless mini split systems can be a strong option for garages, additions, bonus rooms, workshops, and areas that need targeted comfort.
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Not Sure Which HVAC Service You Need?
Heating and cooling problems are not always obvious from the first symptom. Weak airflow, warm air, short cycling, unusual noises, high humidity, or rising utility costs can point to different issues depending on the age and condition of the system.
Kiener’s Heating & Air Conditioning can inspect the system, explain what is happening, and review practical repair, maintenance, or replacement options.
System Not Cooling
Schedule AC repair if the system is blowing warm air, struggling to keep up, or not turning on.
High Repair Quote
Request a second opinion before approving a major repair or deciding on replacement.
Routine Upkeep
Maintenance can help monitor system condition before peak cooling or heating demand.
Indoor Comfort Issues
Ask about indoor air quality, humidity control, dehumidifiers, and ductless mini split options.
Equipment Brands
Major HVAC Manufacturers Serviced
Kiener’s Heating & Air Conditioning services many leading HVAC equipment brands for repair, maintenance, system replacement, and installation needs.
Service Areas
Local HVAC Service Across Northeast Florida
Kiener’s Heating & Air Conditioning helps homeowners in Jacksonville, Keystone Heights, Middleburg, Orange Park, and nearby communities with heating, cooling, maintenance, replacement, and indoor comfort services.
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Jacksonville
Keystone Heights
Middleburg
Orange Park
San Marco
Springfield
