HomeMarine AC Repair

Marine AC Repair Fort Myers, FL

Your boat's AC stopped working in the Florida heat. We begin with the equipment identity, fault history, water flow, electrical measurements, controls, refrigerant evidence, and vessel access.

EPA Section 608 refrigerant credentials. decades of marine AC experience. Mobile service to your dock in Fort Myers, Cape Coral, Naples, and all of Southwest Florida.

90-Day Labor WarrantyScheduling Confirmed by Scope5-Star Rated

Why Boat Owners Choose Us

decades of experience Marine AC Experience

Not general HVAC — marine-specific systems only

Repair Timing Confirmed by Scope

Common parts carried on service vehicles

Multi-Brand Equipment Experience

Dometic, Webasto, Marine Air, Cruisair, Mabru & more

Mobile Service to Your Dock

Fort Myers to Sarasota — we come to you

Urgent AC requests are reviewed during Monday–Saturday, 8:00 AM–6:00 PM. Response, dispatch, and repair timing are confirmed case by case.

Diagnostics & Repair

Common Marine AC Problems We Fix

Most marine A/C calls start with a symptom, not a part number. ACCUMAR records the symptom, measures seawater flow, electrical supply, and refrigerant pressures, and fixes the cause before anything is replaced. Labor starts at $160/hr with a 1-hour minimum, and you get a written estimate before approved repair work begins.

AC Not Cooling

Restricted heat exchange, seawater flow, refrigerant, controls, electrical supply, or compressor condition can contribute; measurements determine the cause.

Water Leaking from AC

Clogged condensate drain, cracked drain pan, or blocked seawater discharge.

AC Won't Turn On

Tripped breaker, faulty thermostat, control board failure, or wiring corrosion.

Weak Airflow

Dirty evaporator coil, collapsed ducting, or blower motor failure.

AC Tripping Breaker

Compressor drawing excessive amps, short circuit, or undersized wiring.

Seawater Flow Issues

Clogged strainer, worn impeller, or scale-restricted heat exchanger.

AC Ices Up

Ice can follow restricted airflow, low seawater flow, sensor issues, or refrigerant and control faults; measurements identify the cause.

Musty Smell or Water in the Cabin

A musty smell or cabin water can involve condensate drainage, a pan or hose, airflow, or a seawater connection that needs inspection.

High- or Low-Pressure Fault

Pressure alarms can be related to seawater flow, heat exchange, airflow, sensors, refrigerant, or controls; fault history and readings matter.

Pump Running Hot

A hot pump can point to restricted flow, an impeller or strainer issue, electrical loading, or a pump condition requiring testing.

Not sure what is wrong? Call with the unit, symptoms, fault codes, and vessel location.

Our AC Services

Complete Marine AC Service

From fault diagnosis to maintenance, repair planning, and new installations, scope is confirmed from the installed system and evidence.

AC Repair & Diagnostics

Systematic troubleshooting to find the root cause. We measure amp draw, check refrigerant pressures, test water flow rates, and inspect every component before recommending repairs.

  • Compressor replacement & rebuild
  • Control board repair & replacement
  • Refrigerant leak detection & recharge
  • Seawater pump & impeller service
  • Thermostat & sensor replacement
  • Electrical troubleshooting & wiring repair

Starting at $160/hr with a 1-hour minimum (includes diagnostics)

AC Flush & Maintenance

Southwest Florida's warm saltwater causes scale buildup that reduces cooling by up to 40%. Regular flushing is the single most important maintenance for your marine AC.

  • Heat exchanger descaling & flush
  • Evaporator & condenser coil cleaning
  • Seawater line flush & flow verification
  • Refrigerant level check & top-off
  • Electrical connection inspection
  • Written condition report with photos

New AC Installation

Complete system design and installation. We calculate BTU requirements based on your vessel's cabin volume, insulation, and window area — then install it right the first time.

  • Self-contained, split & chilled water systems
  • BTU sizing & system design
  • Ducting, seawater plumbing & electrical
  • Multi-zone climate control
  • System upgrades & replacements
  • Commissioning & performance verification

Urgent AC Service Review

A failed marine AC system can be urgent. Send the equipment, fault, vessel location, access conditions, and photos for business-hour review. This does not guarantee dispatch or completion timing.

  • Business-hour request review
  • Equipment and fault details required
  • Travel and access confirmed before dispatch
  • Parts and documentation checked by model
  • Southwest Florida coverage by approved scope
  • Response timing confirmed case by case

Marine AC Brands We Service

Dometic
Marine Air
Webasto
Cruisair
Mabru
Flagship
Condaria
Marinaire

Plus all legacy, discontinued, and custom marine AC systems. If it cools a boat, we fix it.

Service Area

Marine AC Repair Across Southwest Florida

Mobile service to your dock, marina, or boatyard across Southwest Florida. Service location, access, and scheduling are confirmed before the appointment.

ACCUMAR is based at 2779 N Airport Rd #201 in Fort Myers. Visits are arranged at riverfront marinas, service yards, and residential docks around Iona, McGregor, and Cypress Lake after access is confirmed. See our Fort Myers marine service page for local planning.

Core Service Area

Fort Myers(Lee Co.)
Cape Coral(Lee Co.)
Naples(Collier Co.)
Marco Island(Collier Co.)
Bonita Springs(Lee Co.)

Extended Service Area

Estero(Lee Co.)
Sanibel Island(Lee Co.)
Pine Island(Lee Co.)
Punta Gorda(Charlotte Co.)
Port Charlotte(Charlotte Co.)
Sarasota(Sarasota Co.)
Englewood(Charlotte Co.)

ACCUMAR Marine Services

Address

2779 N Airport Rd #201

Fort Myers, FL 33907

Hours

Mon–Sat: 8:00 AM – 6:00 PM

Available 24/7 · (239) 323-9600

Credentials

EPA 608 Certified

ABYC Certified Technicians

Decades of Marine Experience

Prevent AC Failures

Condition-Based Marine AC Maintenance

A planned visit can document filters, coils, strainers, pumps, condensate drainage, controls, electrical condition, seawater flow, temperatures, and refrigerant-system observations. Cleaning or component work is recommended only when the installed system and measurements support it.

Maintenance does not guarantee uninterrupted operation. Follow-up timing depends on current workload, equipment, access, parts, and the approved written scope.

Frequently Asked Questions

Marine AC Repair FAQ

How much does marine AC repair cost in Fort Myers?

Marine AC repair in Fort Myers starts at $160/hr with a 1-hour minimum; the minimum includes initial diagnostics. Typical A/C repair is $160–$850 on average. Compressor replacement is typically $600–$1,800 depending on the unit. We provide a written estimate before approved repair work begins. Call 239-323-9600 with the unit and fault details.

Why is my boat AC not blowing cold air?

Possible causes include restricted seawater flow, a clogged strainer, pump or impeller condition, heat-exchanger fouling, airflow, controls, electrical supply, refrigerant, or compressor condition. Temperatures, flow, voltage, fault history, and the installed equipment must be checked before a repair is recommended.

How far ahead is ACCUMAR scheduling marine AC repair?

Available 24/7 · (239) 323-9600 We're available 24/7. Call (239) 323-9600 anytime, day or night, and we'll get you to our team. Emergency service is available. Diagnostic and repair timing depends on the installed equipment, fault evidence, access, refrigerant and electrical findings, parts, and any required facility coordination.

What does a high-pressure fault mean?

A high-pressure fault means the system detected pressure outside its operating range and may have shut down for protection. Restricted seawater flow, a dirty strainer, pump or impeller condition, heat-exchanger fouling, airflow problems, or a sensor/control issue can contribute. ACCUMAR checks actual flow, temperatures, electrical readings, and fault history before recommending a repair.

Should I repair or replace an older self-contained unit?

That depends on the installed model, condition, parts availability, measured fault, access, and the scope of a compliant replacement. ACCUMAR diagnoses the existing unit first, explains repair and replacement paths, and provides a written estimate before approved work. Legacy equipment is assessed individually rather than assigned a blanket recommendation.

How long until a technician can come out?

We're available 24/7. Call (239) 323-9600 anytime, day or night, and we'll get you to our team. Emergency service is available. and We're available 24/7. Call (239) 323-9600 anytime, day or night, and we'll get you to our team. Emergency service is available. ACCUMAR reviews the symptoms, vessel location, safe access, equipment, technician availability, and likely parts requirements before confirming a visit. We are available 24/7. Call (239) 323-9600 anytime, day or night, and we will get you to our team. Emergency service is available, but service and parts scope are confirmed with you.

What marine AC brands do you repair in Southwest Florida?

We evaluate Dometic, legacy Cruisair, Webasto, Marine Air, Mabru, Flagship, Condaria, Marinaire, Mermaid, and custom installations. Service scope is confirmed from the model, symptoms, documentation, parts availability, and required tooling; legacy systems are assessed individually.

How often should I service my boat's air conditioning?

Follow the installed manufacturer’s schedule and adjust it for operating hours, seawater conditions, strainer loading, pump condition, measured temperatures, electrical readings, and vessel use. Inspection can identify cleaning, descaling, impeller, electrical, refrigerant, or control work that should be separately approved.

Can you flush my marine AC system?

Yes, when the installed equipment and diagnostic measurements indicate that cleaning or descaling is appropriate. We inspect the seawater circuit and verify relevant flow or temperature readings before and after the approved work. The interval depends on the manufacturer, water conditions, operating hours, prior service, and actual system condition.

What areas do you serve for marine AC repair?

We provide mobile marine AC repair across Southwest Florida, including Fort Myers, Cape Coral, Naples, Marco Island, Bonita Springs, Estero, Sanibel, Pine Island, Punta Gorda, Port Charlotte, and Sarasota. Dock, marina, yard, travel, access, and scheduling details are confirmed before service.

Do you install new marine AC systems?

Yes. We design and install complete marine AC systems — self-contained, split, and chilled water configurations. We size systems using BTU calculations based on your vessel's cabin volume, insulation, and window area. Try our free AC System Builder tool at accumarmarine.com/tools/ac-system-builder. Installation includes ducting, seawater plumbing, electrical, and commissioning.

Need Marine AC Repair in Fort Myers?

Send the unit make, model, fault code, symptoms, vessel location, and access details. Available 24/7 · (239) 323-9600

Plan A/C Condition Checks Before Problems Grow

Our A/C Maintenance Program documents operating condition and included service items at $140 per visit. Maintenance does not guarantee uninterrupted operation.

Captain's Maintenance Bulletin

Seasonal checklists, diagnostic tips, and marine AC insights from decades of experience in the field. No fluff — just what works.

Free. No spam. Unsubscribe anytime.

ACCUMAR is factory-authorized for Dometic and Webasto. Other listed HVAC brands are serviced without implying factory authorization.

Typical price ranges

A/C service and repair
Typical A/C repair is $160–$850 on average. Every boat is different, and we confirm the price after we look at it. Labor starts at $160/hr with a 1-hour minimum.
A/C compressor replacement
Compressor replacement is $600–$1,800, depending on the unit. Every boat is different, and we confirm the price after we look at it. Labor starts at $160/hr with a 1-hour minimum.
A/C pump replacement
Most jobs run $1,000–$1,500, parts included, before tax. Every boat is different, and we confirm the price after we look at it. Labor starts at $160/hr with a 1-hour minimum.
A/C unit replacement (one unit)
Most jobs run $4,500–$7,000, parts included, before tax. Every boat is different, and we confirm the price after we look at it. Labor starts at $160/hr with a 1-hour minimum.
Chiller service
Most jobs run $550–$900, parts included, before tax. Every boat is different, and we confirm the price after we look at it. Labor starts at $160/hr with a 1-hour minimum.
Refrigeration repair
Most jobs run $400–$850, parts included, before tax. Every boat is different, and we confirm the price after we look at it. Labor starts at $160/hr with a 1-hour minimum.
Fridge, freezer or ice maker replacement
Most jobs run $1,300–$3,100, parts included, before tax. Every boat is different, and we confirm the price after we look at it. Labor starts at $160/hr with a 1-hour minimum.

A/C maintenance program: $140 per visit

Diagnostic visit

Most jobs run $200–$400, parts included, before tax. Every boat is different, and we confirm the price after we look at it. Labor starts at $160/hr with a 1-hour minimum.

We're available 24/7. Call (239) 323-9600 anytime, day or night, and we'll get you to our team. Emergency service is available.

Request Service

Focused service pages

Equipment-specific symptoms, access requirements and information to send before your appointment.

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