About Kiener’s Heating & Air Conditioning
HVAC Experience Built From Every Side of the Industry
Steve Kiener has been working in the HVAC industry since 2012, building experience across multiple sides of the business before becoming a licensed HVAC contractor. His background includes marketing, maintenance, service, installation, customer communication, and system-level problem solving.
That range of experience gives homeowners a different kind of HVAC service. Instead of a quick checklist or a rushed sales recommendation, Steve looks at the full picture, explains what is happening, and helps customers choose the next step with confidence.
NATE Certified
Certified HVAC knowledge and service training.
Licensed Contractor
Experienced across service, maintenance, installation, and system diagnostics.
How We Help
HVAC Service With a Practical, Customer-First Approach
Homeowners need clear information when their system stops working, starts making noise, struggles to keep up, or needs routine care. Kiener’s focuses on full-system troubleshooting, all makes and models service, honest explanations, and options that make sense for the home.
Repair-Focused Service
Help for AC problems, heating issues, airflow concerns, thermostat problems, and systems that stop working when comfort matters most.
Maintenance Agreements
Routine HVAC maintenance can help homeowners stay ahead of seasonal demand, system wear, and small issues that may become larger repairs.
Replacement Estimates
Free estimates are available for system replacement and new installation when homeowners need to review larger comfort upgrades.
Clear Explanations
Customers receive straightforward information about the issue, likely causes, available next steps, and whether repair or replacement should be considered.
Local HVAC Contractor
Serving Jacksonville, Keystone Heights, Middleburg, and Nearby Communities
Kiener’s Heating & Air Conditioning is focused on helping homeowners across Northeast Florida with dependable heating and cooling service. Service areas include Jacksonville, Keystone Heights, Middleburg, Orange Park, San Marco, Miramar, Springfield, and nearby communities along the SR 21 corridor.
Whether the call is for urgent AC repair, a maintenance visit, a second opinion, or a system replacement estimate, the process is designed to be clear, responsive, and easy to understand.
Why Homeowners Call
Help for Common HVAC Concerns
AC is blowing warm air
System is not keeping up
Repair quote seems too high
Maintenance is overdue
Indoor air feels humid or stale
A new system may be needed
Service Approach
A Simple Process From First Call to Final Recommendation
Kiener’s keeps the service experience easy to follow. Homeowners get a clear process, practical explanations, and guidance based on what the system needs.
01
Request Service
Call or submit the form with your contact information, service address, and the HVAC issue you are experiencing.
02
Review the System
The heating or cooling system is reviewed for common concerns that may affect comfort, airflow, performance, or reliability.
03
Explain the Options
You get clear information about repair, maintenance, replacement, or indoor air quality options when they apply.
04
Move Forward
The goal is dependable comfort, better system awareness, and a practical next step that fits your home.
HVAC Services
Repair, Maintenance, Replacement, and Indoor Comfort Solutions
Kiener’s Heating & Air Conditioning helps homeowners with the HVAC services they are most likely to need throughout the year. From urgent repair calls to seasonal maintenance and larger replacement conversations, customers can get service that is focused on comfort, clarity, and practical next steps.
