Jacksonville • Keystone Heights • Middleburg • Orange Park

Call Now: (904) 231-8873 | Text Steve Open 24/7

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Choose a time below to request HVAC service, AC repair, heating repair, maintenance, system replacement guidance, or help with an indoor comfort concern.

Appointment Options

What Can You Schedule?

Select a time that works for your HVAC repair, maintenance visit, replacement estimate, or service question.

HVAC Repair

Schedule help for AC problems, heating issues, airflow concerns, thermostat problems, or equipment that stops working.

Maintenance

Request routine HVAC maintenance to help keep your system cleaner, easier to monitor, and ready for seasonal demand.

Estimates

Book time to discuss system replacement, new installation, or a second opinion on a repair quote over $1,000.

Service Areas

Serving Northeast Florida Homeowners

Kiener’s Heating & Air Conditioning provides HVAC service in Jacksonville, Keystone Heights, Middleburg, Orange Park, and nearby communities.

Jacksonville Keystone Heights Middleburg Orange Park San Marco Springfield
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Customer Reviews

What Local Homeowners Say About Kiener’s Heating & Air Conditioning

Read recent customer feedback about AC repair, HVAC service, maintenance, system replacement guidance, and the way Steve helps homeowners understand their options.

Steve Kiener did a great job with the maintenance today. He was very thorough and explained everything going on with our system.

Kathy C

Steve Kiener was very informative and explained everything very well. Will definitely keep this company in mind when we look to replace our AC unit.

Rosalba W

Steve Kiener took his time to complete the work, answered all my questions and went above and beyond.

Linda P

Steve Kiener did a great job for me today. He was very professional and his attention to detail was wonderful.

David W

Steve Kiener came out today and serviced our air conditioner. He very polite and took his time explaining everything to us. I would highly recommend. Thank you.

Kevin S

Our technician Steve Kiener did a wonderful and thorough inspection of our unit for our 6 month checkup. He took his time to clean the unit, inspect all wiring, etc.

Elizabeth L

Steve Kiener is an outstanding guy. He’s very personable and knowledgeable.

Kathy J

Steve Kiener is a very nice and helpful person.

Iva K

Steve Kiener explained everything very well today during the HVAC maintenance.

Lisa D

Steve Kiener did a great and professional job on my AC maintenance and advised me of my many options for upgrade as well. Thanks Steve!

Debra J

Steve Kiener was very thorough, friendly and helpful.

Nancy S

Steve Kiener did a wonderful professional job servicing our office hvac unit... he was prompt, friendly, polite and explained everything well. Thank you!

Patricia M
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