Why is my boat's refrigerator not staying cold?

The #1 cause in Southwest Florida: the condenser is dirty or blocked. Air-cooled condensers collect dust, pet hair, and salt residue. Water-cooled condensers foul with marine growth. Other common causes: low refrigerant charge (leak), failed compressor, faulty thermostat, poor insulation from moisture intrusion, bad door seals, or inadequate ventilation around the compressor. In SWFL's 90°F+ ambient temps, marine refrigeration works harder than anywhere else. We diagnose with superheat/subcooling measurements and amp draw testing — not guesswork.

My boat fridge runs constantly but doesn't get cold enough — what's wrong?

This is the #1 refrigeration complaint in Southwest Florida. The compressor is running but can't reject enough heat. Common causes: dirty or blocked condenser (especially water-cooled systems with marine growth), low refrigerant charge, poor insulation or failed insulation from moisture intrusion, inadequate ventilation around the compressor, or a compressor losing efficiency. If the unit runs non-stop and the box temperature is above 40°F, something is wrong. We measure superheat, subcooling, and amp draw to pinpoint the issue — not replace parts until it works.

Should I upgrade from an air-cooled to a water-cooled marine refrigeration system?

In SWFL, yes — almost always. Air-cooled systems struggle when ambient temperatures exceed 90°F, which is most of the year here. Water-cooled systems reject heat to seawater (typically 80–85°F), giving them a significant efficiency advantage. The upgrade cost is typically $1,500–$3,000 depending on the boat, and it reduces compressor run time by 30–50%, which also saves battery power. For liveaboards and cruisers, this upgrade pays for itself in 1–2 years through reduced generator run time and lower battery consumption.

How much does marine refrigerator repair cost in Fort Myers?

Marine refrigeration repair costs depend on the system type, vessel access, and scope of work. A thermostat replacement or condenser cleaning is on the lower end; a compressor replacement or custom cold plate install costs more. We start with a thorough diagnostic to identify the root cause, then provide a clear written estimate before beginning repairs. No surprises. Call 239-323-9600 for a free phone consultation.

What types of marine refrigeration do you service?

We service all marine refrigeration systems: holding plate / cold plate systems, keel-cooled systems, air-cooled systems, water-cooled systems, Eskimo ice-making systems, chilled glycol systems, deep freeze fishing freezers, belt-driven and battery-driven compressors, scroll compressors, absorption refrigerators, and custom refrigeration builds for super yachts. If it keeps food cold on a boat, we fix it.

What brands of marine refrigeration do you work with?

We service and install all major marine refrigeration brands: Vitrifrigo, Isotherm, Frigoboat, Sea Frost, Grunert, Dometic, Norcold, Engel, Eskimo Ice, Technicold, Nova Kool, Glacier Bay, Sub-Zero, U-Line, Marvel, GE, and Furrion. We also build custom refrigeration systems using commercial-grade Danfoss/Secop compressors for specialized applications.

Can you install a custom refrigeration system on my boat?

Absolutely. We specialize in custom marine refrigeration: cold plate systems for long-range cruising, chilled glycol systems for multi-zone yachts, deep freeze fishing freezers for sport fishing boats (belt-driven and DC compressor options), and full custom builds for super yachts. We work with Vitrifrigo, Isotherm, Frigoboat, Sea Frost, Grunert, and commercial-grade components to design the optimal system for your vessel and usage pattern.

My boat's ice maker stopped working — can you fix it?

Yes. Marine ice makers (Eskimo Ice, U-Line, Marvel, Dometic) fail frequently in SWFL's warm water and salt air. Common issues: water pump failure, evaporator plate scaling from hard water, compressor cycling problems, clogged water filters, and corroded water inlet valves. We repair all marine ice maker brands on-site at your dock. If the unit is beyond repair, we supply and install replacements from U-Line, Marvel, and Vitrifrigo.

How do I keep my boat's refrigeration running on the hook (no shore power)?

This is a critical question for cruisers in SWFL. Options ranked by efficiency: (1) Water-cooled system with a high-efficiency Danfoss/Secop compressor — draws 3–5 amps at 12V. (2) Cold plate / holding plate system — runs the compressor hard for 1–2 hours, then coasts for 8–12 hours on stored cold. (3) Keel-cooled system (Frigoboat) — no fan, no noise, very efficient. Pair any of these with adequate battery capacity (lithium recommended) and solar panels. We design complete off-grid refrigeration systems for cruisers.

What's the difference between a cold plate and a standard marine refrigerator?

Standard marine fridges use a direct-expansion evaporator that runs continuously (like a home fridge). Cold plate systems freeze a eutectic solution during a high-draw 'charge' cycle (1–2 hours), then the frozen plate keeps the box cold for 8–12+ hours with zero power draw. Cold plates are ideal for cruisers on battery power — you run the compressor during engine time or generator time, then coast all day. Downside: higher upfront cost and more complex installation. We install both types and can advise which makes sense for your cruising style.

Do you offer emergency marine refrigeration repair?

Yes. A failed refrigerator on a boat in Florida means spoiled food and potential health risks within hours. We offer emergency and after-hours marine refrigeration repair throughout Southwest Florida — Fort Myers, Cape Coral, Naples, Sanibel, Marco Island, and everywhere in between. Call 239-323-9600 anytime. Emergency rate is $220/hr.

I'm a liveaboard — my fridge can't keep up in summer. What are my options?

SWFL liveaboards push marine refrigeration to its limits — 90°F+ ambient temps, 85°F+ seawater, and 24/7 operation. Options: (1) Upgrade to a water-cooled condenser if you're still air-cooled — biggest single improvement. (2) Add insulation — many production boats have inadequate fridge insulation. We can add closed-cell foam to dramatically reduce heat gain. (3) Upgrade the compressor to a higher-capacity Danfoss/Secop unit. (4) Install a cold plate system for better efficiency. We assess your specific setup and recommend the most cost-effective upgrade path.

ACCUMARMarine Services

239-323-9600

HomeMarine Refrigeration

Marine Refrigeration Repair, Sales & Custom SystemsFort Myers & Southwest Florida

Expert marine refrigeration repair, refrigerator sales, custom cold plate systems, and freezer installation in Fort Myers, Cape Coral, Naples, and all of Southwest Florida. EPA 608 certified technicians specializing in all marine refrigeration brands and custom builds.

Call 239-323-9600

Accumar Marine Services is Fort Myers' trusted marine refrigeration specialist with 25+ years of hands-on experience. We repair, install, and maintain all major brands including Vitrifrigo, Isotherm, Frigoboat, Sea Frost, Grunert, and Dometic. Whether you need a new marine refrigerator, a custom cold plate system for offshore fishing, or emergency boat fridge repair in Cape Coral, Naples, or anywhere in Southwest Florida — we come to your dock. EPA 608 certified. See our service rates or browse our marine air conditioning services.

Boat Refrigerator Repair & Installation Services

From standard refrigerator repairs to custom cold plate systems for offshore fishing boats and super yachts in Fort Myers and Southwest Florida.

Refrigeration Repair

Diagnose and repair all marine refrigeration issues — compressor failures, refrigerant leaks, thermostat problems, electrical faults, and cooling system issues. All brands serviced.

Custom Cold Plate Systems

Design and install custom cold plate refrigeration systems for cruising boats. Efficient holding plate technology keeps food cold longer with less power consumption.

Deep Freeze Fishing Freezers

Custom deep freeze systems for sport fishing boats. Keep your catch frozen solid on multi-day trips. Belt-driven and battery-driven compressor options available.

Refrigerator Sales & Installation

New marine refrigerators and freezers from Vitrifrigo, Isotherm, Frigoboat, and more. Professional installation with proper ventilation and electrical connections.

Refrigeration Maintenance

Annual service including compressor check, refrigerant levels, condenser cleaning, thermostat calibration, and seal inspection. Prevent breakdowns before they happen.

Chilled Glycol Systems

Custom chilled glycol refrigeration systems for yachts and commercial vessels. Multiple zone cooling, precise temperature control, and energy-efficient operation.

How Marine Refrigeration Repair Works

From first call to verified fix — here's what to expect when you contact Accumar Marine Services for boat refrigerator repair in Fort Myers.

Call or Book Online

Describe the issue — not cooling, running constantly, leaking, strange noises. We'll schedule a dock-side visit in Fort Myers, Cape Coral, Naples, or anywhere in SWFL.

On-Board Diagnostic

Our EPA-certified technician inspects the compressor, refrigerant charge, thermostat, condenser, evaporator, and electrical connections. We identify the root cause — not just the symptom.

Repair or Install

We provide a written estimate before starting work. Repairs use OEM parts from Vitrifrigo, Isotherm, Frigoboat, Sea Frost, and Dometic. New installs include proper ventilation and wiring.

Test & Verify

System runs under load. We verify temperature pull-down, compressor cycling, and power draw. You get a written report with findings and recommendations.

Marine Refrigeration Products for Sale

Premium marine refrigerators, freezers, icemakers, and wine cellars from Vitrifrigo, Dometic, Isotherm, Nova Kool, GE, Furrion, and more.

DRW180A

Vitrifrigo 5.3 CU Ft 12/24 VDC - 100/240 VAC

DCW46

Vitrifrigo 1.6 CU. Ft. 12/24 VDC - 100/240 VAC

DCW95

Vitrifrigo 3.4 cu ft (approx 32 standard bottles) 12/24 VDC - 100/240 VAC

970007090

Dometic marine refrigerator

Dometic Boat Refrigerator DMA4081LBFX | 12V 60Hz 8 Cu FT

970007289

Dometic marine refrigerator

Dometic Boat Refrigerator RUA6408X | 240VAC 60Hz 188 Liters

9600008777

Dometic marine refrigerator

RUA 6408XL

Dometic marine refrigerator

DM2672RB1

Dometic marine refrigerator

CRX-50

1.7 cu ft marine fridge/freezer, 12/24V, soft-close

DRW360A

Vitrifrigo 10.8 cu ft 12/24 VDC - 115 VAC

DW180

Vitrifrigo 5.1 CU. Ft. 115 VAC

D20AX

Vitrifrigo 0.7 Cu. Ft. Supply 12-24 Vdc, 300 W (optional)

D30AX

Vitrifrigo 1.1 cu ft (approx 31 L) 115-230 V AC 50/60 Hz, 24 V DC, 300 W

Frigoboat K35 Keel-Cooled Refrigeration Kit — 5-10 cu.ft. Box

Frigoboat K35F Keel-Cooled Compressor Unit — 12/24V DC

Frigoboat K50 Keel-Cooled Refrigeration Kit — 10-15 cu.ft. Box

Showing 16 of 134 products. View all in catalog

Refrigeration Brands We Repair & Install in Fort Myers

Our EPA 608 certified technicians service every major marine refrigeration brand. Here's what we work on daily across Southwest Florida.

Vitrifrigo

Italy

Stainless steel drawer fridges, compressor cooling units, wine cellars

The world's largest marine refrigeration manufacturer. We repair and install the full Vitrifrigo lineup — DRW drawers, DP built-ins, C-series compressors, and stainless steel combos. Common repairs: compressor relay failure, thermostat calibration, door seal replacement.

Isotherm

Sweden

Cruise, Elegance, and Freeline series, ASU compressors

Premium Scandinavian marine refrigeration built for blue-water cruising. We service Isotherm Cruise, Elegance, and Classic models plus their ASU and SP compressor units. Common repairs: evaporator plate leaks, fan motor replacement, electronic controller issues.

Frigoboat

Italy

Keel-cooled systems, Capri and Keel Cooler series

Specialists in keel-cooled marine refrigeration — no fans, no noise, no moving parts on the condenser side. We install and repair Frigoboat K35, K50, and Capri keel-cooled kits. Common repairs: keel cooler blockage, compressor overheating, low refrigerant charge.

Sea Frost

USA (New Hampshire)

Cold plate systems, BD and BDE compressors

American-made cold plate refrigeration trusted by long-range cruisers. We service Sea Frost cold plate systems, binary and eutectic plates, and BD/BDE compressor units. Common repairs: holding plate re-charge, compressor rebuild, thermostat replacement.

Grunert

USA

Commercial-grade marine systems, custom cold plates

Heavy-duty refrigeration for commercial fishing and large yachts. We repair Grunert air-cooled and water-cooled condensing units, custom cold plate banks, and multi-zone systems. Common repairs: condenser coil cleaning, expansion valve replacement, compressor overhaul.

Dometic

Sweden / Germany

CoolMatic, CRX series, absorption and compressor units

One of the most common brands on boats in Southwest Florida. We service all Dometic CoolMatic, CRX, and RM absorption models. Common repairs: cooling unit failure on absorption models, compressor relay, PCB board replacement, door hinge repair.

Norcold

USA

Absorption refrigerators, RV/marine crossover models

Popular on trawlers and houseboats. We repair Norcold absorption and compressor models including the DE-0041 and NR751 series. Common repairs: absorption cooling unit replacement, igniter failure, thermocouple issues.

Engel

Japan / Australia

Swing-motor portable fridges and freezers

Known for their bulletproof swing-motor compressor. We service Engel portable and built-in units used on center consoles and fishing boats. Common repairs: swing motor rebuild, thermostat replacement, power cord issues.

Eskimo Ice

USA

Ice-making systems for fishing boats

Purpose-built marine ice makers for sport fishing. We install and repair Eskimo Ice flake and cube systems. Common repairs: water pump failure, evaporator plate scaling, compressor cycling issues.

Technicold

USA

Custom yacht refrigeration and HVAC systems

High-end custom refrigeration for mega yachts and commercial vessels. We service Technicold chilled water systems, walk-in coolers, and multi-zone installations. Common repairs: chilled water pump replacement, control system diagnostics, refrigerant recharge.

Nova Kool

Canada

12/24V DC compressor fridges for sailboats

Energy-efficient DC refrigeration popular on sailboats and smaller cruisers. We repair Nova Kool R1200, R3000, and R4500 series. Common repairs: Danfoss/Secop compressor replacement, fan motor failure, thermostat issues.

Glacier Bay

USA

Ultra-quiet keel-cooled and air-cooled systems

Known for whisper-quiet operation. We service Glacier Bay keel-cooled and air-cooled refrigeration systems. Common repairs: keel cooler fouling, compressor cycling, low refrigerant.

Sub-Zero

USA (Wisconsin)

Built-in luxury refrigeration for mega yachts

Premium residential-grade units found on large motor yachts. We service Sub-Zero built-in and under-counter models in marine environments. Common repairs: condenser cleaning (critical in salt air), sealed system repair, electronic control board replacement.

U-Line

USA (Wisconsin)

Under-counter ice makers, beverage centers, refrigerator drawers

Compact under-counter units common in yacht galleys and wet bars. We repair U-Line ice makers, wine coolers, and refrigerator drawers. Common repairs: ice maker valve replacement, drain pump failure, compressor issues.

GE Appliances

USA

Full-size residential fridges adapted for marine use

Found on larger yachts and houseboats running shore power or generators. We service GE residential units in marine installations. Common repairs: compressor start relay, defrost timer, water inlet valve.

Furrion

USA

RV/marine crossover refrigerators and appliances

Growing presence on newer production boats. We service Furrion Arctic series and other marine-rated models. Common repairs: thermostat calibration, compressor relay, door gasket replacement.

Marvel

USA

Under-counter refrigerators, ice makers, wine coolers

Professional-grade under-counter units for yacht galleys. We repair Marvel built-in refrigerators, ice machines, and beverage centers. Common repairs: evaporator fan motor, temperature control board, condenser cleaning.

Don't see your brand listed? We service all marine refrigeration brands. Call 239-323-9600 for a free phone consultation.

SWFL Heat Kills Marine Refrigeration \u2014 Is Yours Ready?

In Southwest Florida, ambient temperatures regularly exceed 90\u00b0F and engine rooms hit 130\u00b0F+. Your boat's refrigeration works 3\u20134x harder than a home fridge.

A system that \"worked fine up north\" will fail in Florida without proper setup.

Cruisers

Air-cooled systems can't keep up in SWFL. Upgrade to water-cooled before summer or risk spoiled food and a dead compressor.

Sport Fishers

Your catch is worth thousands. A freezer failure on a multi-day trip = total loss. Pre-season service is non-negotiable.

Liveaboards

24/7 operation in 90\u00b0F+ heat. Annual condenser cleaning and refrigerant check prevents the $2K emergency call.

Schedule Refrigeration Service

5 Signs Your Boat Fridge Needs Service

Catch these early \u2014 before a $200 fix becomes a $2,000 replacement.

Fridge runs constantly but food isn't cold

Schedule this week

Compressor can't reject enough heat. Usually a dirty condenser, low refrigerant, or failed insulation. In SWFL's heat, this gets worse every week you wait.

Ice cream is soft or food is spoiling

Schedule within 3 days

Box temperature above 40°F means the system isn't maintaining safe food temps. Could be thermostat, refrigerant, or compressor issue. Don't risk foodborne illness.

Compressor clicks on then immediately shuts off

Call today

Start relay or overload protector is failing, or the compressor is seizing. Could also be low voltage from weak batteries. Needs diagnosis before the compressor burns out.

Frost or ice buildup inside the box

Schedule within 1 week

Door seal failure, defrost system malfunction, or thermostat stuck in the 'on' position. Excess frost reduces cooling efficiency and wastes power.

Unusual noise — buzzing, clicking, or rattling

Schedule within 1 week

Fan motor bearing failure, loose mounting hardware, or compressor internal wear. Noise = mechanical wear in progress. Fix it before it becomes a catastrophic failure.

Call for a Diagnostic \u2014 239-323-9600

Common Questions

Marine Refrigeration Questions \u2014 Southwest Florida

Service Area

Where We Service Boat Refrigerators in Southwest Florida

Mobile marine refrigeration repair and installation delivered to your dock, marina, or boatyard. Based in Fort Myers, we service vessels from Marco Island to Port Charlotte — every marina in between.

Call for Service

⚓ 46 marinas served|Fort MyersCape CoralNaplesMarco IslandSanibelPort CharlotteBonita SpringsPunta GordaSarasota

Schedule Your Boat Refrigeration Repair Today

From simple boat fridge repairs to custom cold plate systems, Accumar Marine Services has been keeping marine refrigeration running since 1999 in Fort Myers, Cape Coral, Naples, and all of Southwest Florida.

EPA 608 Certified \u2022 25+ Years Experience \u2022 All Brands \u2022 Custom Systems

Call 239-323-9600

Marine AC Service Maintenance Programs Boat AC Not Cooling?Emergency AC Repair Pricing & Rates

Stop Emergency Refrigeration Calls

Scheduled maintenance catches compressor issues, refrigerant leaks, and thermostat failures before they ruin your trip — or your catch.

Captain's Maintenance Bulletin

Seasonal checklists, diagnostic tips, and marine AC insights from 25+ years in the field. No fluff — just what works.