HVAC Repair St. Augustine by Fast, Honest & Available 24/7

HVAC Repair St. Augustine is essential in St. Augustine’s coastal climate, where salt air, year-round humidity, and extended summers can strain your system. Pappas Parts & Service responds in 45 minutes or less, offering expert HVAC repair, flat-rate pricing, and no after-hours surcharge.

Jobs Completed

1000 +

Years in Jax

0 +

45 Min

Avg. Response

4.9+

Google Rating

FL Licensed & Insured

True 24/7 Emergency Service

No After-Hours Surcharge

All Brands Serviced

Free Written Estimates

850+ Five-Star Reviews

What We Do

Comprehensive Heating & Cooling Solutions Across St. Augustine, FL

From urgent air conditioning repairs to commercial refrigeration — certified technicians serving all of St. Johns County.

AC Installation & System Upgrades

Restaurants, hotels, convenience stores, and retail businesses rely on dependable refrigeration. Our technicians quickly diagnose and repair issues to reduce downtime and keep operations running smoothly.

Commercial Refrigeration Repair

Restaurants, hotels, convenience stores, and retail businesses depend on reliable refrigeration equipment every day. Our technicians diagnose and resolve refrigeration issues quickly to help minimize interruptions.

Walk-In Cooler Service

Temperature inconsistencies can impact product quality and compliance requirements. We restore dependable cooling performance for commercial kitchens, grocery stores, and food service operations.

Walk-In Refrigeration Installation

Expanding your storage capacity? We design and install customized refrigeration systems engineered for durability, efficiency, and code compliance.

Gas Appliance Installation

Our licensed professionals install residential and commercial gas appliances safely while meeting all applicable Florida regulations.

Ice Machine Repair

Reliable ice production is critical for hospitality, healthcare, and food service businesses. We repair all major ice machine brands to keep operations running smoothly.

Need Urgent HVAC Service in St. Augustine? We're Ready 24/7

A cooling system failure during Florida’s hottest months can quickly become more than an inconvenience. Our local team is available around the clock with prompt service, straightforward pricing, and experienced technicians.

Why Pappas Parts & Service

Dependable Service Delivered by Skilled Professionals

NATE-Certified Technicians Only

Every technician receives advanced training and maintains NATE certification to ensure accurate diagnostics and quality workmanship.

Flat-Rate, Upfront Pricing

You'll receive a detailed written estimate before work begins, eliminating unexpected costs.

12-Month Labor Guarantee

Our repairs include a one-year workmanship warranty for added confidence.

Fully Equipped Service Vehicles

Our technicians arrive prepared with an extensive inventory of replacement parts to complete most repairs during the initial visit.

Why St. Augustine Homeowners Choose Pappas Parts & Service

Rapid Response Throughout St. Johns County

From Historic Downtown and Vilano Beach to Anastasia Island and World Golf Village, our local team provides fast response times when comfort can’t wait.

Coastal Climate HVAC Specialists

Salt air, elevated humidity levels, and year-round cooling demands create unique challenges for HVAC equipment near the coast. Our technicians understand how these conditions affect system performance and longevity.

Straightforward Estimates with Competitive Rates

We provide free written estimates and transparent pricing so you can make informed decisions without pressure.

Flexible Payment Options Available

Large repairs and equipment upgrades can happen unexpectedly. Financing options for qualified customers help make essential comfort solutions more manageable.

Why Pappas Parts & Service

Transparent HVAC Pricing in St. Augustine, FL

From seasonal tune-ups to complete equipment replacement, we deliver tailored solutions designed around your comfort goals and budget.

System Diagnostics & Inspection

Comprehensive equipment evaluation with upfront pricing. Diagnostic fees may be credited toward approved repairs.

Standard Air Conditioning Repairs

We repair thermostats, capacitors, contactors, fan motors, refrigerant leaks, and other common cooling issues.

Advanced Component Replacement

Our technicians replace compressors, coils, motors, and other major HVAC components using quality parts backed by warranty protection.

Complete HVAC System Installation

We install high-efficiency systems customized to your home's layout, comfort requirements, and energy goals.

Our Process

Simple. Fast. Done Right the First Time.

Call or Book Online 24/7

Call or book online 24/7 to schedule service with a local team member. A local team member answers every call and schedules your appointment promptly.

Tech Arrives On Time

Your certified technician arrives within the scheduled appointment window in a fully equipped service vehicle.

Root Cause Diagnosis

We identify the source of the problem and explain your options in clear, easy-to-understand terms.

Flat-Rate Quote Approval

You’ll receive an itemized quote before work begins, ensuring complete transparency.

Repair, Test & Follow-Up

After repairs are complete, we test system operation and follow up to ensure everything performs as expected.

Specialized Services

Common HVAC Challenges in St. Augustine Homes

AC Runs Continuously Without Reaching the Set Temperature

Low refrigerant, dirty evaporator coils, or a unit that was never correctly sized for your home are the most common causes. In St. Augustine's heat load, sizing errors are especially costly. Our residential HVAC repair team runs a complete 25-point diagnostic to find the exact cause.

Excess Indoor Moisture

One of the most common St. Augustine complaints. An oversized system short-cycles — cools quickly but never completes a full dehumidification cycle. Low refrigerant has the same effect. Ask about proper sizing during any AC repair or replacement consultation.

Unpleasant Odors from Air Vents

Coastal humidity creates ideal conditions for mold growth inside ductwork and air handlers. This isn't just unpleasant — it's a real air quality issue. We inspect ductwork as part of our residential HVAC service calls and recommend cleaning or sealing when needed.

Strange Sounds Coming from Your HVAC System

These sounds almost always signal a mechanical issue in progress: loose components, worn bearings, or a failing compressor. Catching these early avoids a minor repair turning into a full system replacement. Call us for same-day diagnostics.

Energy Bills Keep Climbing

A system working harder than it should costs you every month. Dirty coils, low refrigerant, or an aging unit running below rated efficiency are common causes. Our AC installation and replacement team can run an efficiency cost-comparison: repair vs. upgrade to a high-SEER model.

Uneven Temperatures — Some Rooms Much Hotter

Duct leaks, poor balancing, or zoning problems prevent conditioned air from reaching every room equally. We assess airflow and duct integrity as part of our comprehensive HVAC services and recommend corrections based on your specific layout.

Limited Slots This Week

Schedule Your FREE 25-Point HVAC Inspection in St. Augustine, FL

Our detailed inspection helps identify potential problems before they lead to costly repairs or unexpected breakdowns.

Where We Serve

Proudly Serving St. Augustine & St. Johns County

Our service area includes:

Downtown Jacksonville

Riverside / Avondale

San Marco

Mandarin

Southside Jax

Jacksonville Beach

Neptune Beach

Atlantic Beach

Ponte Vedra Beach

Northside Jacksonville

Westside Jacksonville

Arlington

Town Center / Regency

Fleming Island

Orange Park

Middleburg

Don’t see your neighborhood listed? Contact our team to confirm service availability.

FOR YOUR HOME

What St. Augustine Residents Say About Pappas Parts & Service

With more than 850 verified five-star reviews, homeowners and businesses throughout Northeast Florida rely on Pappas Parts & Service for responsive service, clear communication, and dependable results.

    
 
 
       Posted on Google  
   
   tammy oneal 
 
 
 
 Trustindex verifies that the original source of the review is Google. Very quick to respond. Very professional and kept me updated as to the issues and what was needed to correct the issues. Highly recommend.
  
 
      Posted on Google  
   
   Diane Concepcion 
 
 
 
 Trustindex verifies that the original source of the review is Google. Best service call ever. Michael responded immediately,  got there quickly,  was super polite. He explained everything thoroughly,  made the repair, and got my AC running. Very reasonable price.  I couldn't have been happier with the service from this company.
  
 
      Posted on Google  
   
   Aiden Stuart 
 
 
 
 Trustindex verifies that the original source of the review is Google. Jason always does a great Job! Whatever we need he is on it and more! Grateful to have a Service Rep like him in our back pocket!
  
 
      Posted on Google  
   
   Cathy Gregoire 
 
 
 
 Trustindex verifies that the original source of the review is Google. Professional give explanation photos...this is my 2nd interaction with pappas. Very positive on both one was with a neighbor and this time my sons house in woodbine ga.  When my contact runs out in march I'll be switching my house to him...
  
 
      Posted on Google  
   
   Rafael Batista 
 
 
 
 Trustindex verifies that the original source of the review is Google. The technician seem knowledgeable and arrived as scheduled, got the diagnostics and repair done and the system is up and running great. Thank you.
  
 
      Posted on Google  
   
   Robin Hiatt 
 
 
 
 Trustindex verifies that the original source of the review is Google. Jason is unbelievable with knowledge, expertise  and attention to detail. He let me stay with him while he worked and explained every step of the way. Trouble shooting, parts price quote, etc. He left no questions unturn. Honest as the day is long and he lives in our neighborhood. It doesn't get any better
  
 
      Posted on Google  
   
   Jennifer Schlom 
 
 
 
 Trustindex verifies that the original source of the review is Google. Thorough and professional! We would definitely recommend PPS.
  
 
      Posted on Google  
   
   Karen Minder 
 
 
 
 Trustindex verifies that the original source of the review is Google. Pappas Parts and Service has been maintaining our HVAC systems and we are extremely pleased with the attention to detail, honesty, and customer service! Jason, is the owner and the quality of his work is outstanding. Highly recommend for all your HVAC needs!
  
 
      Posted on Google  
   
   Lesly Minier 
 
 
 
 Trustindex verifies that the original source of the review is Google. Excellent service from Pappas Parts & Service. They were the contractor for our Liberty Home Guard claim and were incredibly responsive and polite. They got the job done quickly and kept us in the loop the whole time. Truly a reliable contractor!
  
 
      Posted on Google  
   
   Brenda Jackson 
 
 
 
 Trustindex verifies that the original source of the review is Google. Great job!! Timely service. Jason is a professional, personable, and skillful technician. I will definitely use this company again!

FAQ

Frequently Asked Questions About HVAC Repair St. Augustine, FL

The most common questions Duval County homeowners ask about HVAC repair, installation, and maintenance in Jacksonville, FL — answered honestly.

How much does HVAC repair in St. Augustine typically cost?

Most standard repairs range from $150–$600 depending on the component. Diagnostic fees are often credited toward approved same-day repairs. We provide a flat-rate written estimate before any work begins — no surprises. Call (904) 649-5702 for a free quote.

Do you offer 24/7 emergency HVAC service in St. Augustine?

Yes. We dispatch 24 hours a day, 7 days a week — including holidays — with no after-hours surcharge. Our average response time across St. Johns County is approximately 45 minutes.

Should I repair or replace my HVAC system?

A reliable rule of thumb: if repair cost exceeds 50% of replacement cost and the unit is over 10 years old, replacement typically delivers better long-term value. Our AC installation and replacement team will give you an honest comparison — no pressure, no upselling.

Does Pappas Parts & Service offer financing options?

Yes. Qualified customers can take advantage of financing programs for major repairs and new system installations.

Does Pappas offer financing for HVAC replacement?

Yes. Financing options are available for qualified customers on equipment replacements and major repairs. Ask about current options when you call or book online.

Why does my St. Augustine home feel so humid even with the AC on?

Usually an oversized system that cools too quickly without completing a full dehumidification cycle, or low refrigerant that limits moisture removal. Both are diagnosable and fixable on a single service call.

Do you service all HVAC brands in St. Augustine?

Yes — all major residential and commercial brands including Carrier, Trane, Lennox, Rheem, Goodman, York, Daikin, and more. Commercial refrigeration brands include Heatcraft, Bohn, Tyler, and others.