Beat the Heat...Call Complete!®

Welcome to Your Trusted HVAC Experts

If your home or business is struggling with rising energy bills, uneven temperatures, or an AC that can’t keep up with Florida’s heat, you’re not alone. Jacksonville’s climate is demanding, and outdated or poorly serviced equipment can quickly become a major headache. That’s why Complete Air Systems, Inc. in Jacksonville, FL 904-268-4486 delivers dependable, energy-efficient heating and cooling solutions designed specifically for the First Coast. As a locally owned and operated HVAC company with more than 30 years of experience, we proudly serve Jacksonville and Northeast Florida with honest service, expert craftsmanship, and reliable results.

Comprehensive Heating & Cooling Services You Can Trust

Since 2004, Complete Air Systems, Inc. has provided full HVAC installation, repair, maintenance, and indoor air-quality solutions for homeowners and businesses. Whether you need a fast AC repair, a complete system replacement, or preventative maintenance, our certified professionals deliver solutions built for long-term comfort.

Our Mission to Deliver Complete Comfort

Our mission is simple: to provide comfort, reliability, and long-term value through honest work and expert service. We treat every customer like family and every home or business as if it were our own. Your satisfaction isn’t just our goal—it’s our standard.

Locally Owned, Community-Focused HVAC Professionals

As a proud Jacksonville company, we serve customers throughout Duval, Clay, and St. Johns Counties with fast response times, transparent communication, and dependable craftsmanship. Our team understands the demands of Florida’s climate and provides cost-effective comfort solutions for every season.

Expert HVAC Installation & Replacement

When your AC or heating system is beyond repair, our team provides professional installation using today’s most trusted brands, including Trane, Carrier, Lennox, Goodman, and Rheem. We help you choose the right system for your property, ensuring energy efficiency, better performance, and long-lasting comfort.

Fast, Reliable AC & Heating Repairs

A breakdown in Florida’s heat is stressful—but help is only a call away. Our certified technicians diagnose and repair all makes and models quickly and accurately. We never upsell unnecessary services, and we offer fair, upfront pricing with no hidden fees or surprise charges.

Preventative HVAC Maintenance for Florida’s Climate

Regular maintenance is essential for preventing breakdowns, reducing energy costs, and extending the life of your HVAC system. Our maintenance services identify early signs of trouble, improve efficiency, and keep your system running smoothly all year long—especially during Jacksonville’s hot, humid summers.

Indoor Air-Quality Solutions for a Healthier Space

Poor indoor air quality can lead to allergy symptoms, odors, high humidity, and airborne contaminants. We offer a full range of indoor air quality upgrades, including:

These solutions create cleaner, healthier air for your home or business.

Why Jacksonville Homeowners & Businesses Choose Us

Customers across Northeast Florida trust us because we stand behind our work with honesty and integrity.

Here’s what sets Complete Air Systems apart:

Full List of HVAC Services

Air Conditioning Installation & Replacement

Proudly Serving Jacksonville & All Surrounding Communities

Complete Air Systems, Inc. proudly serves:

Wherever you live or work, our team delivers comfort, quality, and long-lasting HVAC performance.