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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Air Conditioning, Heating, Maintenance,
and Installation Services
Kiener’s Heating & Air Conditioning provides local HVAC service for homeowners in Jacksonville, Keystone Heights, Middleburg, Orange Park, and nearby Northeast Florida communities. Steve can repair and service all makes and models, including Carrier, Trane, Bryant, Lennox, Goodman, Rheem, Mitsubishi, and more, while giving homeowners clear guidance instead of rushed recommendations.
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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Experienced HVAC Service
Reliable Heating and Air Conditioning Help From a Licensed HVAC Contractor
Steve Kiener brings more than a decade of HVAC experience to every service call, with hands-on knowledge in maintenance, service, installation, and licensed contracting.
His full-system approach helps Kiener’s Heating & Air Conditioning provide clear answers for AC repair, HVAC service, second opinions, and comfort concerns. If your system stops cooling, struggles to keep up, or you received a high repair quote, Steve can inspect the equipment and review practical options for all makes and models.
Full-System Experience
Experience across maintenance, service, installation, diagnostics, and troubleshooting
All Makes and Models
Service for Carrier, Trane, Bryant, Lennox, Goodman, Rheem, and more brands
24/7 HVAC Service
Need Emergency AC Repair in Northeast Florida?
When your AC stops working, indoor temperatures can climb quickly. Kiener’s Heating & Air Conditioning provides 24/7 HVAC service for urgent cooling problems and can repair and service all makes and models. Steve looks at the full system, explains the likely cause, and helps homeowners understand whether repair, maintenance, or replacement should be considered.
Simple Service Process
How Kiener’s Makes HVAC Service Easier
From the first request to the final recommendation, Kiener’s keeps HVAC service clear, practical, and easy to understand. You get a straightforward process, honest communication, and guidance that helps you make the right decision for your home.
01
Request Service
Call or submit the form with your service address, contact information, and the HVAC issue you are dealing with.
02
System Diagnosis
The system is checked for airflow restrictions, electrical concerns, thermostat problems, refrigerant issues, or failing parts.
03
Clear Options
You receive straightforward repair, maintenance, or replacement guidance without pressure or confusing explanations.
04
Comfort Restored
The goal is reliable comfort, better performance, and a system ready for Northeast Florida heat, humidity, and changing weather.
Maintenance Agreements
Routine HVAC Maintenance Helps Prevent Bigger Problems
Routine HVAC maintenance gives homeowners a better understanding of how their system is performing before peak cooling or heating season. Regular service can help keep equipment cleaner, identify wear early, and reduce the chance of avoidable comfort problems.
AC maintenance before heavy summer use
Heating maintenance before cooler weather
Better long-term system awareness
Helpful recommendations before costly failure
Free Second Opinions
Repairs Over $1,000
When a repair quote feels high, homeowners can request a free second opinion before making a major decision.
Equipment Brands
Major HVAC Manufacturers Serviced
Kiener’s Heating & Air Conditioning can repair and service all makes and models, including Carrier, Trane, Bryant, Lennox, Rheem, Goodman, Mitsubishi, Daikin, and other major HVAC equipment brands.
Why Choose Us
Local HVAC Service Focused on Clear Answers and Dependable Comfort
Kiener’s Heating & Air Conditioning is built around clear communication, full-system troubleshooting, and practical HVAC recommendations. Steve’s experience across service, maintenance, installation, and licensed contracting helps homeowners get answers from someone who understands more than one part of the job.
Locally Owned and Operated
Local HVAC service from Steve Kiener, a licensed contractor with experience across maintenance, service, installation, diagnostics, and customer communication.
Free Installation Estimates
Homeowners can request free estimates for system replacement and new HVAC installation before making a major decision.
Repair Second Opinions
Free second opinions are available for repairs over $1,000 so homeowners can better understand the issue, the options, and whether the quote makes sense.
24/7 HVAC Service
Emergency HVAC service is available for urgent heating and cooling issues that need quick attention.
Kiener’s Heating & Air Conditioning provides HVAC repair, AC repair, heating repair, furnace repair, HVAC maintenance, system replacement, indoor air quality services, dehumidifier options, and ductless mini split support. Homeowners can request help for urgent comfort issues, routine service, or larger replacement decisions.
Yes. Kiener’s Heating & Air Conditioning offers 24/7 HVAC service for urgent heating and cooling issues. If your AC stops working, your heating system will not turn on, or your home becomes uncomfortable due to an HVAC problem, you can call for service and get help with the next step.
Yes. Free estimates are available for system replacement and new HVAC installation. If your current system is older, unreliable, inefficient, or facing a costly repair, Kiener’s can review your options and help you understand whether replacement may make more sense than another repair.
Yes. Kiener’s Heating & Air Conditioning offers free second opinions for repair quotes over $1,000. This gives homeowners a chance to better understand the issue, compare their options, and make a more informed decision before approving a major HVAC repair.
Kiener’s Heating & Air Conditioning serves homeowners in Jacksonville, Keystone Heights, Middleburg, Orange Park, and nearby Northeast Florida communities. Service is also focused around the SR 21 corridor and surrounding areas where homeowners need reliable HVAC repair, maintenance, and installation support.
HVAC maintenance helps homeowners stay ahead of seasonal demand, especially during long periods of heat and humidity. Routine service can help keep the system cleaner, identify wear earlier, improve system awareness, and make it easier to plan repairs before they turn into larger comfort problems.
Yes. Kiener’s Heating & Air Conditioning can repair and service all makes and models of HVAC equipment, including major brands like Carrier, Trane, Bryant, Lennox, Rheem, Goodman, Mitsubishi, Daikin, and more. Steve Kiener has experience across maintenance, service, installation, diagnostics, and licensed contracting, which helps him look at the full system instead of only checking one symptom.
If your AC, heat pump, furnace, ductless mini split, or indoor comfort system is not working correctly, Kiener’s can inspect the equipment, explain what may be causing the issue, and help you understand whether repair, maintenance, or replacement is the better next step.
Service Areas
HVAC Service Along SR 21, Jacksonville, Keystone Heights, and Nearby Communities
Kiener’s Heating & Air Conditioning provides local HVAC service across Jacksonville, Keystone Heights, Middleburg, Orange Park, Lakeside, San Marco, Miramar, Springfield, Avondale, Riverside, Ortega, Murray Hill, and nearby Northeast Florida communities.
Jacksonville
Keystone Heights
Middleburg
Orange Park
Lakeside
Avondale
Riverside
San Marco
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Need AC Repair or HVAC Maintenance?
Request service online or call now to speak with Kiener’s Heating & Air Conditioning about AC repair, HVAC maintenance, all makes and models service, installation guidance, or a second opinion.
