Proudly Serving San Marco & Surrounding Areas
San Marco’s historic Spanish Revival, Tudor, and Craftsman homes—many built before 1970 and clustered around San Marco Square and Balis Park—define Jacksonville’s most distinctive neighborhood. These charming older homes often still rely on aging ductwork and systems designed for a different era, and with the St. Johns River’s humidity and Jacksonville’s long cooling season, an aging HVAC setup can struggle to keep pace.
Complete Heating & Cooling Services in San Marco, FL
The homes around Southbank Riverwalk and Memorial Park tend to have HVAC challenges you won’t find in newer subdivisions. We focus on what pre-1970s San Marco homes actually need: honest diagnosis, respect for historic constraints, and practical solutions that don’t require tearing apart original architecture.
AC Repair & Installation in San Marco, FL
AC repair in San Marco homes often starts with ductwork, not the unit itself. Pre-1970s construction means aging duct systems—whether original runs, materials from earlier retrofits, or some combination—that may be undersized, disconnected, or improperly routed, robbing even a well-functioning condenser of efficiency. We’ll diagnose where the cooling is actually being lost before recommending a new system or modifications that fit your home’s architectural character.
Heating Repair & Installation in San Marco, FL
Northeast Florida winters are mild, but cold snaps still happen, and older San Marco homes often lack adequate heating or haven’t had their heat pumps and furnaces serviced in years. A quick heating checkup in fall ensures you’re ready when the temperature drops—and can catch inefficiencies before the heating season arrives.
HVAC Maintenance Plans in San Marco, FL
San Marco’s proximity to the St. Johns River and the humidity that comes with it accelerates wear on older systems more than homes elsewhere in Jacksonville. Regular maintenance plans help extend the life of your equipment, catch refrigerant leaks early, and keep aging ductwork functioning longer in this challenging climate.
Ductwork & Zoning Systems in San Marco, FL
The real story in San Marco is usually ductwork. Pre-1970s homes often still rely on aging duct systems—whether original to construction or from earlier retrofits—that were sized for lower cooling loads, sealed with outdated materials, or routed inefficiently through attics and crawlspaces. We can trace your ductwork, diagnose leaks and sizing problems, and recommend practical upgrades that improve airflow without demanding major renovation. We’ll explain what you’re looking at before we propose any work.
Dehumidifier Installation in San Marco, FL
Homes near the St. Johns River in San Marco often battle high indoor humidity even when the AC is running—a sign that your cooling system is fighting an uphill battle against the water table and river proximity. A whole-home dehumidifier paired with your existing system can restore comfort and protect wood floors, furnishings, and plaster walls that older homes rely on.
UV Light Installation in San Marco, FL
San Marco’s tightly sealed historic homes combined with Jacksonville’s intense allergen season mean indoor air quality can suffer even with working AC. UV light systems work quietly in the ductwork to reduce mold, dust mites, and airborne irritants—particularly helpful in pre-1970s homes where aging ductwork tends to trap more particles than modern designs.
Why Homeowners in San Marco, FL Choose Hot Heads
Rayce listens before he sells—he’ll explain whether your problem is ductwork, refrigerant, or something else entirely, and then recommend only what your home actually needs. In a historic neighborhood where every decision affects the character and structure of your home, that approach matters. Homeowners in San Marco trust Hot Heads because we respect both the building and the budget.
QUALITY WORK
We take the time to do the job properly and do not cut corners.
AFFORDABLE PRICES
Fair pricing with clear explanations and no surprise costs.
honest service
Straight answers and realistic recommendations you can trust.
QUICK RESPONSE TIME
We respect your time and respond promptly when you need help.
What to Expect When You Work With Us
When we come to your San Marco home, expect a straightforward diagnosis. If you have a Tudor or Craftsman home near Balis Park with limited equipment placement options, we’ll work within those constraints. We won’t sell you a full system replacement if your ductwork is fixable, and we won’t recommend modifications that compromise your home’s historic appeal. You’ll get a clear explanation and a fair estimate—nothing more, nothing less.
- On-time arrival and respect for your home
- Clear explanations of system issues and options
- Honest recommendations without pressure
- Upfront pricing before work begins
We believe doing the job right builds long-term trust.
HEAR IT FROM YOUR NEIGHBORS
Choosing an HVAC company is easier when you hear from people who have already worked with them. Our customers consistently mention our professionalism, responsiveness, and honest approach to heating and cooling service.
Posted on Google Susan WestTrustindex verifies that the original source of the review is Google. Very happy with service. You were very professional and on time. I was impresser with answering my questions and info about my equipment. Thanks again.Posted on Google Vickie YoungTrustindex verifies that the original source of the review is Google. The service was prompt, they explained everything well, and we will definitely use them again.Posted on Google Bethany CheneyTrustindex verifies that the original source of the review is Google. Called after the holiday with a self caused HVAC issue, and they were out at my home within 2 hours. The technician was friendly and got everything up and running within 15 minutes.Posted on Google BarbaraTrustindex verifies that the original source of the review is Google. Another fabulous experience….Posted on Google Janie RobinsonTrustindex verifies that the original source of the review is Google. Excellent service. Very knowledgeable. Jamie was very professional.Posted on Google Marilee CantelmoTrustindex verifies that the original source of the review is Google. We are new to Florida and hired Hot Heads Heating & Cooling (HHHC) for our annual HVAC maintenance in 2024 & 2025. Their service has been outstanding! Rayce (the owner) was efficient and patiently answered many questions during the Sept. 2024 visit. Jaime, HHHC Technician, was skilled and thoroughly checked the system and made a couple adjustments during the Nov. 2025 service. We highly recommend HHHC for their professional, honest, reliable, responsive, AND reasonable service! Great family-owned company and employees!! ❤️Posted on Google Amy PowersTrustindex verifies that the original source of the review is Google. Simply the best!!! Trustworthy family owned company! They provided timely service when in need, arrived on time, sent updates and communication, professional, explained all options and trusted advisory on what best to do for our home!!! Can't say enough about Hot Heads and how amazing they are and know it's done right the first time!!! I've heard horror stories of what other bigger companies do to upcharge and sell you on fixing things that aren't needed- not them!!! Don't look anywhere else for your heating and cooling needs!!! You won't regret it!!!Verified by TrustindexTrustindex verified badge is the Universal Symbol of Trust. Only the greatest companies can get the verified badge who has a review score above 4.5, based on customer reviews over the past 12 months. Read more
Ready to Get Started?
Historic San Marco homes face HVAC challenges that newer construction doesn’t. If your AC is struggling, your heat pump hasn’t been serviced in years, or you’ve noticed humidity creeping up, call us for a no-pressure assessment. Rayce will diagnose the real problem and walk you through your actual options.