St. Augustine, St. Johns County Since 1976 CAC029376

AC Repair and HVAC Service in St. Augustine, FL

Cooling and heating for the nation's oldest city, from colonial-era streets downtown and in Lincolnville to Davis Shores, Anastasia Island, Vilano Beach and St. Augustine Shores. AC repair, HVAC replacement, ductless options and 24/7 emergency service.

1976Licensed Since
Same DayResponse Available
24/7Emergency AC Repair
CAC029376State Licensed
Historic Home Experience Ductless Options For Older Buildings Island and Beachside Service Licensed and Insured Written Price Before Work

St. Augustine HVAC

Who Can Handle AC Repair in St. Augustine?

Total Comfort provides AC repair, replacement and maintenance and complete HVAC service for homes and businesses in St. Augustine, Florida. We are a state-licensed HVAC contractor (CAC029376), based in Ormond Beach and working on this coast since 1976.

St. Augustine asks more of an HVAC contractor than most Florida cities. Its oldest houses were designed for sea breezes, high ceilings and shaded porches, not ducted central air, so cooling them well usually means working around the building rather than through it. A few minutes east across the Bridge of Lions, homes on Anastasia Island trade that problem for another: salt air that wears out outdoor equipment years ahead of schedule.

Then there are the mainland neighborhoods that grew up in the decades after the Second World War and the newer subdivisions off US 1 and State Road 16, where the main concerns are aging equipment, tired ductwork and summer humidity. This page explains what we see in each part of the city and links to every service we provide here.

St. Augustine Service Facts

  • County: St. Johns County
  • Areas covered: Downtown, island, beaches and mainland
  • Historic homes: Duct repair, ductless and small-duct options
  • Coastal homes: Coil care and corrosion-aware replacement
  • Licensed since: 1976, Florida CAC029376
  • Emergency AC repair: 24 hours a day, 7 days a week
  • Phone: 386-361-5500

Local Diagnosis

Why the Same Problem Has Different Causes Across St. Augustine

In the historic core, the equipment is rarely the whole story. Systems added to older homes often run through crawlspaces, closets and attics never meant to hold ductwork, and leaks or tight bends starve the far rooms of air. On the island and the beaches, the Atlantic is the issue: salt spray corrodes outdoor coils and electrical contacts. On the mainland, many systems are simply at the end of their working life and humidity exposes every weakness.

What you noticeHistoric downtown and LincolnvilleAnastasia Island, Davis Shores and VilanoMainland neighborhoods
Back rooms or upstairs stay warmLong, leaking or kinked retrofit ductsCoil corrosion cutting capacityUndersized return or aging blower
Musty smell or damp feel indoorsMoisture from crawlspaces and older constructionShort cycling in humid coastal airDirty coil or slow condensate drain
Outdoor unit rusting or noisyUnit tucked into a tight courtyard with poor airflowSalt damage to cabinet, fins and fan motorWorn fan motor or failing capacitor
Bills climbing every summerConditioned air lost through duct leaksCorroded coil working harder each seasonOlder low-efficiency equipment nearing replacement

Patterns our technicians look for first. Every system is tested before a repair is recommended.

Neighborhoods We Serve

St. Augustine Neighborhoods and Nearby Areas

Four parts of the city, each with its own building stock and its own HVAC priorities.

Historic Core

Downtown and Lincolnville

Masonry, wood-frame and Victorian-era homes where systems were added later and space for equipment is tight.

  • Historic Downtown and the Colonial Quarter area
  • Lincolnville
  • Uptown and San Marco Avenue
  • North City and Fullerwood
Across The Bridge Of Lions

Anastasia Island and the Beaches

Ocean and Matanzas River exposure on both sides, so outdoor units need more attention here than anywhere else in the city.

  • Davis Shores
  • Anastasia Island and the Lighthouse area
  • St. Augustine Beach
  • Crescent Beach and Butler Beach
North Of The Inlet

Vilano Beach and the North Shore

Beachfront and riverfront homes reached by the Vilano Bridge, with salt and wind from the ocean and the Tolomato River.

  • Vilano Beach
  • North Shore and Porpoise Point
  • The A1A corridor toward South Ponte Vedra
  • Riverfront homes along the Tolomato
Mainland

South and West St. Augustine

Established subdivisions and newer communities where aging equipment and humidity control are the usual priorities.

  • St. Augustine Shores and St. Augustine South
  • Moultrie and the US 1 South corridor
  • West Augustine and the State Road 16 corridor
  • Communities along State Road 207
Outside the city limits? We cover the rest of the county too, from Ponte Vedra Beach and Nocatee to World Golf Village and Hastings. See the full St. Johns County HVAC guide for every community and service.

Older And Historic Homes

Cooling a Historic St. Augustine Home Without Harming It

What we look at before recommending anything for an older or historic property.

01

The Existing Ducts

If the current runs can be sealed, insulated and rebalanced, that is usually the least invasive and least costly fix.

02

Ductless Where Ducts Will Not Fit

Mini-split heads need only a small line-set opening, so plaster, beams and trim stay intact.

03

Outdoor Unit Placement

Equipment placement on the property is planned early, with airflow, noise and appearance from the street in mind.

04

Moisture Control

Older homes breathe, so humidity control protects wood, plaster and furnishings as much as it improves comfort.

Working in a historic district? Exterior changes inside the City of St. Augustine's historic districts can require review by the city, so check what applies to your property before equipment is moved or added outside. Indoor work such as duct repair or a ductless system is often the simplest route.

How We Work

Your St. Augustine Service Visit, Step By Step

Clear answers, a written price and no surprises on the invoice.

STEP 01

Reach Us

Phone 386-361-5500 or use the form below. Emergency calls are answered day and night.

STEP 02

We Test The System

Refrigerant pressures, electrical parts, airflow, ducts and drains, so the real cause is found.

STEP 03

You Approve The Price

We explain the fault and the cost in writing. Nothing is replaced until you say yes.

STEP 04

The Work Is Done

Common parts travel on the truck. Installations are load-calculated and permitted to code.

STEP 05

Checked And Explained

The system is tested under load and you get advice suited to a downtown, island or mainland home.

Common Questions

St. Augustine AC Repair and HVAC FAQs

Yes. We repair, replace and maintain air conditioners and heat pumps throughout St. Augustine, including the historic downtown, Lincolnville, Davis Shores, Anastasia Island, St. Augustine Beach, Vilano Beach and St. Augustine Shores. See AC repair.

Yes, 24 hours a day, 7 days a week. Our shop is in Ormond Beach, so when you call we give you a realistic arrival time up front. See emergency AC repair.

Start with what is already there. If existing ducts can be sealed and rebalanced, that is usually the gentlest option. Where ducts cannot be added without cutting into walls and ceilings, a ductless mini-split system cools room by room through a small opening for the refrigerant lines.

At least twice a year, with the outdoor coil cleaned and inspected each time. Salt air corrodes coils gradually, and catching it early protects efficiency and helps avoid refrigerant leaks. See coil cleaning and service plans.

Usually moisture: a dirty evaporator coil, a slow condensate drain, damp ductwork in a crawlspace or a system that does not run long enough to dry the air. We find the source first; the fix may be cleaning, a drain repair or whole-home dehumidification.

Yes. We size each system to the home with a load calculation, account for salt exposure on coastal properties, handle permitting and explain the options and financing before you decide. See AC installation.

Yes. We work on restaurants, retail shops, offices and other commercial properties, including rooftop units, split systems and service agreements. See commercial HVAC.

St. Augustine, Florida

Get Your St. Augustine Home Comfortable Again

AC repair, ductless systems, ductwork and coastal-grade installation for downtown, island and mainland homes. Licensed since 1976 under Florida CAC029376.

Volusia, Flagler and St. Johns 386-361-5500  |  Seminole and Orlando 407-805-1279
Call Now Schedule

GET FAST, PROFESSIONAL HVAC SERVICES FROM LICENSED LOCAL EXPERTS

From emergency AC repairs and refrigerant leak detection to full HVAC system replacement, ductwork installation, heat pump service, and indoor air quality solutions, our HVAC technicians are ready to respond.

If you are experiencing no cooling, system failure, electrical issues, or AC leaks, call now for priority dispatch at 386-361-5500.

HVAC Services & Solutions

Total Comfort, headquartered in Ormond Beach and proudly serving all of East Central Florida and the surrounding areas, provides residential and commercial HVAC services, indoor air quality solutions, and electrical services. Our team delivers dependable cooling, heating, and energy systems engineered to perform in high humidity, coastal air, and year-round heat.


Air Conditioning Services

  • AC Repair and Emergency AC Repair
  • AC Installation and Full System Replacement
  • AC Maintenance and Tune-Ups
  • AC Compressor Replacement
  • AC Coil Cleaning
  • Refrigerant Leak Repair
  • Commercial AC Repair and HVAC Services

Heating and Energy Systems

  • Heating Repair and Installation
  • Furnace Installation, Repair, and Maintenance
  • Heat Pump Installation, Repair, and Maintenance
  • Pool Heater Services

Ductless and Advanced HVAC Systems

  • Ductless Mini-Split Systems
  • Ductless AC Installation and Repair
  • VRF HVAC Systems
  • Generator-Compatible HVAC Systems

Indoor Air Quality Solutions

  • Air Filtration and Custom Air Filters
  • Whole-Home Air Purification Systems
  • U.V. Coil and Air Purification Systems
  • ERV Systems and Dehumidifier Installation

Electrical and Home Energy Services

  • Home Generators and Backup Power Systems
  • Surge Protection and Panel Replacement
  • Electrical Upgrades and Maintenance
  • Solar, Lighting, and Fan Installation

Florida HVAC System Expertise

Homes and businesses in East Central Florida face extreme heat, high humidity, salt air exposure, and seasonal storms, all of which place constant stress on HVAC and electrical systems. Total Comfort designs, installs, and services systems optimized for efficient cooling, moisture control, corrosion resistance, and long-term reliability in coastal environments.


Our Florida Service Areas

Total Comfort is headquartered in Ormond Beach and serves customers throughout East Central Florida and surrounding communities, including:

Counties We Serve

  • Flagler County
  • Seminole County
  • St. Johns County
  • Volusia County

Cities We Serve

  • Bunnell
  • Casselberry
  • Daytona Beach
  • Daytona Beach Shores
  • DeLand
  • Deltona
  • Edgewater
  • Heathrow
  • Holly Hill
  • Lake Mary
  • Longwood
  • New Smyrna Beach
  • Ormond Beach
  • Oviedo
  • Palm Coast
  • Ponce Inlet
  • Port Orange
  • Sanford
  • South Daytona
  • St. Augustine
  • St. Augustine Beach
  • Wekiwa Springs