7 Bridges Heating and Air Conditioning has been serving homeowners, landlords, and businesses across St. Augustine since 2015. When your air conditioning stops working in the middle of a Florida summer, or your heat pump starts acting up on a cool January night, you need a local contractor who picks up the phone and shows up ready to work. We handle the full range of heating and cooling service for residential and commercial customers throughout the area. Honest quotes. Code-compliant work. Reliable comfort.
We offer no-pressure estimates, priced up front, so you always know what to expect before any work begins.
Our technicians know the homes and systems in this area, and we bring that knowledge to every job we take. Whether you own a single-family home, manage a rental portfolio, oversee a commercial property, or run a small business, we have the equipment and the trained hands to keep your space comfortable year-round.
Our services cover AC repair and service, heating repair, heat pump service, full system installation and replacement, ductwork repair and sealing, thermostat and smart-control installation, indoor air quality upgrades, seasonal maintenance, and emergency HVAC service. We work on residential systems of all sizes and handle commercial accounts with the same attention and professionalism.
We show up on time and ready to work. That means arriving with the tools and parts to get the job done, not making a second trip for something we should have had on the truck. Work is performed by qualified HVAC technicians who understand the specific demands of Florida's climate and the systems built to handle it. We'll get your home comfortable again fast.
Heating and cooling a home right takes the right tools and a trained hand, and nowhere is that more true than in Florida's heat. Central air conditioning is not a seasonal luxury here. It runs hard, it runs long, and when it stops working, the problem is urgent.
We diagnose and repair the full range of AC problems: a unit that is not cooling, a system blowing warm air, a condenser that has stopped running, refrigerant leaks, compressor issues, and evaporator coil problems. If your system is struggling but not completely down, a seasonal tune-up can restore efficiency and catch small problems before they turn into expensive repairs.
When a repair no longer makes financial sense, we handle full central AC replacement and new system installation. We size the equipment to your home or building, walk you through your options, and complete the installation cleanly and correctly. We'll have your system running again in no time.
St. Augustine winters are mild, but cool nights still arrive, and a heating system that does not respond when you need it is a real problem. Heat pumps are the dominant heating system in this part of Florida, and we service and repair them every day.
Not every HVAC company works the same way, and we take heat pump diagnostics seriously. Whether your system is not producing heat, cycling on and off irregularly, or has stopped responding altogether, we can find the cause and get it corrected. We also service mini-split systems, which are common in additions, sunrooms, and smaller commercial spaces throughout the county.
If you have a gas furnace, we can service that too. Furnaces are less common in this climate, but we are equipped to handle them when the job calls for it. For most St. Augustine homes, though, the heat pump is the right tool and the one we work on most.
Coastal Florida has its own set of HVAC demands. Long cooling seasons, persistent humidity, and the near-universal use of heat pumps mean that certain services come up again and again for homeowners and property managers in this area. The following represent the work that matters most in this climate.
St. Johns County's coastal air carries serious moisture year-round. When indoor humidity climbs too high, it affects comfort, degrades air quality, and creates conditions where mold and mildew can take hold. Your air conditioner removes some moisture as it cools, but it cannot always keep up with Florida's humidity levels on its own.
A whole-home dehumidifier integrates with your existing HVAC system and manages indoor moisture independently of the cooling cycle. The result is air that feels more comfortable at higher thermostat settings, reduced strain on your AC, and better overall indoor air quality. We handle the installation, sizing, and setup from start to finish.
Heat pumps are the practical choice for this region because they handle both heating and cooling in a single system, with no need for a gas furnace. They operate efficiently in Florida's mild winters and carry the full cooling load through the summer months.
If you are replacing an aging system, building a new home, or converting a commercial space to a more efficient setup, a heat pump installation is worth a close look. We assess your space, recommend the right equipment for the load, and complete the installation to manufacturer and code requirements. Call for a quote and we can walk you through what the process looks like for your property.
Older central AC systems lose efficiency quickly under Florida's cooling demands. A system that is ten or more years old may be working harder than it needs to, driving up energy bills and delivering uneven comfort. Modern high-efficiency equipment is sized and designed to handle the heat load accurately, and it uses refrigerants that meet current standards.
When we replace a central AC system, we start with a proper load calculation to make sure the new equipment fits your home or building correctly. We remove the old equipment, install the new system, test the airflow, and confirm everything is operating as it should before we leave. Call today and we'll get the temperature back where it belongs.
Getting the most out of your HVAC system often comes down to what is happening behind the walls and at the thermostat. Leaking or poorly sealed ductwork can push conditioned air into unconditioned spaces, leaving rooms that never quite reach the right temperature and driving up energy costs. We locate duct leaks, repair damaged sections, and seal the system to restore proper airflow.
Thermostat and smart-control installation is another area where a small change makes a noticeable difference. If your thermostat is outdated, not responding correctly, or you want to add programmable or remote-access control, we can handle the upgrade. We work with a range of smart thermostat systems and configure them to work with your existing equipment.
For indoor air quality, we install whole-home air filtration systems, UV air purifiers, and air scrubbers that work within your existing ductwork. These systems reduce airborne particles, allergens, and biological contaminants. Clear communication from the first call to the final test is how we approach every one of these jobs.
Property managers, building owners, and commercial operators cannot afford extended downtime when a system goes out. We work with offices, retail spaces, restaurants, and multi-unit properties throughout the area, providing the same reliable service we bring to residential jobs, with the added focus on minimizing disruption to your operations.
Our commercial services include AC repair and replacement, heating and heat pump service, rooftop unit repair and replacement, and scheduled commercial HVAC maintenance. We understand that a restaurant or retail space with a failed system loses business by the hour, and we respond accordingly.
The sooner you call, the sooner your comfort is back, and that applies whether you are scheduling a routine tune-up or dealing with a system that has stopped working entirely.
Preventive maintenance is the most reliable way to extend the life of your HVAC equipment and avoid emergency repairs. A seasonal tune-up covers the full system: refrigerant levels, electrical connections, coil cleaning, airflow checks, and thermostat calibration. We recommend a maintenance visit each spring before the heavy cooling season begins, and again in the fall. Customers who stay on a regular schedule see fewer breakdowns and lower repair costs over time.
When a system does go down, we offer same-day service for urgent situations. No heat, no cool, system completely out. We answer our own phones and drive our own trucks. Not the biggest outfit in town. Just the most reliable. Always on time.
Getting your comfort problem handled starts with a quick call. When you reach us, we listen to what is happening with your system, give you a clear sense of what the service involves, and provide pricing before any work begins.
We do not believe in surprise charges at the end of a job. Whether you are calling about a repair, a replacement, or a new installation, the estimate you receive reflects the actual scope of the work. Repairs, system replacements, heat pump installations, ductwork jobs. All of it is priced the same way: honestly, and up front.
No-pressure estimates, priced up front, on every job we take.
We serve customers throughout St. Augustine and the surrounding communities in St. Johns County and the broader northeast Florida area. Our service area includes:
If you are nearby and need HVAC service, give us a call. We know the area and we are ready to help.
We offer same-day service for most calls, and in urgent situations we move as fast as our schedule allows. When you call, we will give you a realistic arrival window and stick to it. We show up on time and ready to work.
Yes. We cover St. Johns County broadly, including St. Augustine Beach, Ponte Vedra Beach, Nocatee, Palm Valley, Vilano Beach, Fruit Cove, and Hastings. If you are in the surrounding area and unsure whether we reach you, give us a call and we will confirm.
We provide no-pressure estimates priced up front before any work starts. When a technician arrives and diagnoses the problem, we explain what we found and what the repair or service involves, then give you the cost before we proceed. There are no surprise charges added at the end of a job.
Same-day service is available for most repair and emergency calls. We schedule based on the urgency of the situation and our current availability, and we will let you know what to expect when you call. For non-urgent work like tune-ups or planned replacements, we can usually get you on the schedule within a day or two.
Yes. We are available every day from 8:00 AM to 10:00 PM, including Saturday and Sunday. HVAC problems do not follow a weekday schedule, and neither do we.
We do our best to work with your availability. When you call, let us know what times work for you and we will find a window that fits. Our hours run from 8:00 AM to 10:00 PM daily, which gives us flexibility to accommodate most schedules.
We recommend having someone present so the technician can access the equipment, explain the findings, and walk through pricing before work begins. If that is not possible, call us and we can talk through what access arrangements make sense for your situation.
The scope of the job and the equipment involved are the main factors that affect pricing. A larger system, more complex ductwork, or a harder-to-reach installation can add to the cost. We assess all of that during the diagnostic visit and explain the pricing before any work begins, so you have a clear picture up front.
Older equipment that requires hard-to-source parts, systems that have not been maintained in several years, or jobs that turn up secondary problems during the diagnostic can all affect the final scope. We communicate clearly throughout the process and do not proceed with additional work without explaining the cost first.
Deposit requirements vary depending on the scope of the work and the equipment involved. We will discuss any deposit expectations during the estimate conversation, before you commit to anything. Nothing moves forward without your agreement on the cost and terms.
Clear access to the indoor air handler or furnace, the outdoor unit, and the thermostat makes the visit go smoothly. If you have pets, keeping them out of the work area is helpful. Beyond that, there is not much you need to do. We bring the tools and parts needed for most common repairs.
7 Bridges Heating and Air Conditioning is ready to take your call. Work performed by qualified HVAC technicians. Honest quotes on every job. A local team that shows up when we say we will.
Honest quotes. Code-compliant work. Reliable comfort.
Call (904) 946-6289 to schedule your service or request an estimate. We are here when you need us.
We handle the full range of heating and cooling work for homes and businesses across St. Augustine and St. Johns County. Whether you need a quick repair, a seasonal tune-up, or a full system replacement, our qualified HVAC technicians show up on time and ready to work. Every job comes with clear communication and pricing before any work begins. The table below covers what each service includes and who it fits best.
| HVAC Service | What It Covers | Best For | Helpful Details |
|---|---|---|---|
| Ductwork Repair & Sealing |
| homes with rooms that never reach the right temperature or with unexpectedly high energy bills | Leaking ducts can push conditioned air into unconditioned spaces, reducing efficiency and comfort throughout the home |
| Seasonal Maintenance & Tune-Ups |
| any homeowner who wants to extend equipment life and avoid mid-season breakdowns | A spring tune-up before the heavy cooling season and a fall visit are the two most valuable maintenance appointments in this climate |
| Heating Repair & Service |
| any customer whose system stops producing heat on a cool night | St. Augustine winters are mild but real; a heating system that does not respond when you need it is worth fixing promptly |
| Emergency HVAC Service |
| customers whose system has stopped working entirely and cannot wait for a scheduled appointment | We offer same-day service for urgent situations; call us and we will give you a realistic arrival window |
| Indoor Air Quality & Air Filtration |
| families with allergy or respiratory concerns, or any home where air quality is a priority | These systems integrate with your existing ductwork and run alongside your HVAC equipment without requiring a separate unit |
| Heat Pump Installation |
| homeowners replacing a single-function system or converting to a more efficient all-in-one setup | Heat pumps handle both heating and cooling in one unit, making them the practical and efficient choice for Florida's climate |
| Thermostat & Smart-Control Installation |
| customers who want better control over comfort and energy use without replacing the whole system | A thermostat upgrade is one of the lowest-cost changes that can make a noticeable difference in day-to-day comfort |
| AC Repair & Service |
| homeowners and landlords with a system that has stopped cooling or is underperforming | Florida's long cooling season puts real strain on AC equipment; catching problems early keeps repair costs down |
| Whole-Home Dehumidification & Humidity Control |
| St. Augustine and St. Johns County homeowners dealing with persistent indoor humidity, musty air, or mold concerns | Coastal Florida air carries serious moisture year-round; a dedicated dehumidifier manages indoor humidity independently of the cooling cycle |
| Heat Pump Repair & Service |
| homeowners with a heat pump that is cycling irregularly, not heating, or not cooling | Heat pumps are the dominant system in this part of Florida; we service them every day and carry the parts most jobs require |
| Full System Installation & Replacement |
| homeowners replacing an aging system or building owners adding new HVAC to a space | Proper sizing matters as much as the equipment itself; an oversized or undersized system will cost more to run and wear out faster |
| High-Efficiency Central AC Replacement |
| homeowners with a system ten or more years old that is driving up energy bills or delivering uneven cooling | Modern equipment uses current refrigerants and is designed to handle Florida's heat load more accurately than older systems |
How do I know whether to repair or replace my AC system?
The age of the equipment and the cost of the repair are the two main factors. If a system is ten or more years old and the repair cost approaches a significant portion of what a replacement would run, replacement often makes more financial sense. We walk through both options with you and give you honest pricing on each so you can decide without pressure.
How often should I schedule a maintenance tune-up?
In this climate, we recommend two visits a year. A spring tune-up before the heavy cooling season gets the system ready for the months of hard work ahead. A fall visit prepares the heating side for cooler nights. Customers who stay on a regular schedule tend to see fewer breakdowns and lower repair costs over time.
Why is one room in my home hotter or colder than the rest?
Uneven temperatures usually point to a ductwork problem, an airflow restriction, or equipment that is not sized correctly for the space. Leaking or poorly sealed ducts are a common cause, pushing conditioned air into unconditioned areas before it reaches the rooms that need it. We can diagnose the issue and explain what it would take to correct it.
Transparent Upfront Pricing
We provide no-pressure estimates priced up front before any work begins. You know the cost before we pick up a tool, and there are no surprise charges added at the end of a job.
What does a seasonal tune-up actually cover?
A full tune-up includes checking refrigerant levels, inspecting and cleaning the coils, verifying electrical connections, testing the blower motor, clearing the condensate drain, and calibrating the thermostat. We also check airflow and look for anything that could develop into a larger problem before the next season.
Why has my system stopped heating or cooling?
There are several common causes: a tripped breaker, a refrigerant issue, a failed capacitor or contactor, a dirty coil restricting airflow, or a thermostat that has lost communication with the unit. Some of these are straightforward repairs; others require a closer look. The best first step is a call so we can understand what the system is doing and get a technician scheduled.
What are signs that my system has a refrigerant or airflow problem?
Warm air blowing from the vents, ice forming on the refrigerant lines or evaporator coil, a unit that runs constantly without reaching the set temperature, or unusually high energy bills can all point to a refrigerant or airflow issue. If you are seeing any of these, it is worth having a technician take a look before the problem gets worse.
Work Performed by Qualified HVAC Technicians
Every job is handled by technicians who understand the specific demands of Florida's climate and the systems built to handle it. We show up with the tools and parts to get the work done right the first time.
How does your pricing work before any work begins?
We provide pricing before any work starts. When a technician arrives and diagnoses the problem, we explain what we found, what the repair or service involves, and what it will cost. Nothing moves forward without your agreement. We do not add charges at the end of a job that were not part of the conversation upfront.
Do I need to be home when the technician arrives?
We recommend having someone present so the technician can access the equipment, explain the findings, and confirm pricing before work begins. If that is not possible for your situation, give us a call and we can talk through what access arrangements make sense.
Same-Day and Emergency Availability
When your system goes down, we move as fast as our schedule allows. Call us and we will give you a realistic arrival window and stick to it.
Why is indoor humidity such a concern in this area?
St. Johns County's coastal air carries significant moisture year-round, not just in summer. When indoor humidity stays too high, it affects comfort, can damage building materials, and creates conditions where mold and mildew can develop. Your air conditioner removes some moisture as it cools, but it cannot always keep up with Florida's humidity levels on its own. A whole-home dehumidifier works alongside your existing system to manage moisture independently of the cooling cycle.
What strange noises from my HVAC unit should I pay attention to?
Banging or clanking can indicate a loose or failing component inside the unit. A grinding sound often points to a motor bearing issue. Hissing can signal a refrigerant leak. Clicking that does not stop after startup may mean a control or relay problem. Any noise that is new or getting louder is worth a call; catching these early usually means a smaller repair.
Is same-day service available when my system goes down?
Yes. We offer same-day service for most repair and emergency calls. When you reach us, we will give you a realistic arrival window based on our current schedule and the urgency of the situation. We answer our own phones, so you are talking to someone who can actually get you on the schedule.
Every situation is a little different, so call us at (904) 946-6289 and we will give you straight answers about your system and what it would take to get your comfort back.
(904) 946-6289