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50+ Years
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Emergency
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Expert HVAC Installation & Repair Services in Jacksonville
All-Seasons Heating & Air Conditioning Of Jax & Air has been a trusted name in Jacksonville's HVAC industry since 1966. Founded by Ray Clifton and now led by his son Derek, our family-owned business combines over 90 years of combined experience with a commitment to quality craftsmanship and customer service. We specialize in residential and commercial HVAC installation, maintenance, and repair, using state-of-the-art diagnostic equipment to resolve issues efficiently. Our team prioritizes transparency, never recommending unnecessary services, and offers emergency support when needed. With deep roots in the Jacksonville community, we serve areas including Ponte Vedra, Nocatee, and surrounding beaches.

Our focus on energy-efficient solutions and preventive maintenance helps customers reduce costs while ensuring system longevity. We stand behind our work with satisfaction guarantees and financing options for new equipment. Backed by decades of local expertise, we provide personalized service for both routine maintenance and urgent repairs. Our technicians receive ongoing training to stay current with evolving HVAC technologies. From system diagnostics to complete installations, we deliver reliable solutions tailored to each client's needs.
Services
HVAC Installation Maintenance Agreements Emergency Repairs Annual Inspections Pre-Season Preparation
Details
  • Year established: 1966
Highlights and features
  • Family-owned HVAC expertise since 1966 with 90+ years combined experience
  • 24/7 emergency service for urgent heating/cooling needs
  • Transparent recommendations with no unnecessary repairs
  • Financing options available for new HVAC equipment
  • Serving Jacksonville and surrounding areas including beaches
What people say
Outstanding service Quality products Operate with integrity Reasonable quotes Fast response
Services
HVAC Installation
We provide professional installation of residential and commercial HVAC systems using quality materials and modern equipment. Our technicians ensure proper sizing and efficient operation while offering guidance on energy-saving options. With decades of experience, we handle complex installations for both new constructions and system replacements.
Maintenance Agreements
Our preventive maintenance programs help extend equipment lifespan and maintain optimal efficiency. Regular inspections identify potential issues before they become major problems. These agreements include priority scheduling and cost-saving benefits for routine service visits throughout the year.
Emergency Repairs
Available 24/7 for critical heating and cooling failures, our emergency repair service responds promptly to system breakdowns. Technicians carry essential parts and use advanced diagnostics to restore functionality quickly, minimizing discomfort during extreme weather conditions.
Annual Inspections
Comprehensive annual inspections evaluate system components including coils, capacitors, and refrigerant levels. This proactive maintenance identifies wear points and ensures safe, efficient operation. Regular checkups help prevent unexpected failures and maintain manufacturer warranty requirements.
Pre-Season Preparation
We prepare HVAC systems for peak performance through seasonal maintenance that includes filter replacement, coil cleaning, and component lubrication. These tuneups optimize energy efficiency and reliability before extreme temperature seasons, helping reduce utility costs and prevent breakdowns.
People
Ray Clifton
Founder
Founded the company in 1966 after graduating from North Georgia Trade & Vocational School. Served the Jacksonville community for 55 years before passing leadership to his son Derek in 2021.
Derek Clifton
Owner
Florida Certified Mechanical Contractor with over 30 years of hands-on experience. Took over business operations in 1990 while maintaining his father's commitment to quality service and community values.
Questions
What HVAC services do you offer?
We provide installation, maintenance, and repair services for residential and commercial heating, ventilation, and air conditioning systems.
Do you offer emergency HVAC service?
Yes, we provide 24/7 emergency service for urgent heating and cooling system failures.
Are financing options available?
Yes, we offer financing options for new HVAC equipment installations to qualified customers.
What areas do you service?
We serve Jacksonville and surrounding areas including Ponte Vedra, Nocatee, and all Jacksonville-area beaches.
How can I schedule service?
Call us at 904-398-5720 or use our online appointment request form to schedule service at your convenience.
Do you offer maintenance agreements?
Yes, we provide preventive maintenance plans that include regular inspections and service benefits to maintain system efficiency.