Do you repair and install marine air conditioning systems on all boat types?

Yes — we service and install marine AC systems on sailboats, cruisers, sportfishers, trawlers, and luxury yachts. We work with all major brands including Dometic, Webasto, and MarinAire.

Can you come to my slip if my AC stops cooling?

Absolutely — we offer mobile marine AC diagnostics and repair at your slip in Marina del Rey, Long Beach, San Pedro, and surrounding marinas.

Why is my marine AC blowing warm air?

Warm air usually indicates low refrigerant, a clogged seawater strainer, bad pump, restricted coils, or electrical issues. We diagnose the problem and restore cooling performance.

Can you install a new AC unit if my old one fails?

Yes — we handle complete AC replacements, including unit sizing, ducting, pump installation, wiring, seawater plumbing, and digital thermostat upgrades.

How often should I service my marine air conditioning system?

We recommend servicing at least once per season, which includes flushing lines, cleaning coils, checking pumps, and inspecting electrical connections to ensure reliable operation.

Can you add AC to a boat that never had it before?

Yes — we design custom retrofit AC installations, adding ductwork, seawater pumps, return vents, and power connections even on boats that didn’t come with factory air conditioning.

o you work with chilled-water systems and multi-zone AC setups?

Yes — we service and install multi-zone AC systems, chilled-water units, and advanced climate control setups for larger yachts and commercial vessels.

What is reverse cycle heating on a boat?

Reverse cycle heating uses your marine air conditioning system to produce heat by reversing the refrigerant flow. It’s an efficient way to heat cabins in cooler weather without separate heaters.

Why is my reverse cycle heater blowing cold air?

This is often caused by low refrigerant, poor seawater flow, faulty sensors, or control board issues. Troubleshooting identifies the exact cause so the system can heat properly again.

Do you check seawater flow during diagnostics?

Yes, we inspect raw water pumps, strainers, hoses, and discharge flow. Restricted water flow is one of the most common reasons reverse cycle heating fails to operate efficiently.

Can electrical issues affect reverse cycle heating?

Absolutely. Faulty relays, control panels, thermostats, or wiring can prevent the system from switching into heating mode. Electrical testing is part of our troubleshooting process.

Is reverse cycle heating effective in cold weather?

Reverse cycle systems work best in mild to moderate cold conditions. When seawater temperatures drop too low, efficiency decreases, which is why proper diagnostics and system setup are important.

Do you repair issues found during troubleshooting?

Yes, once the issue is identified we can repair or replace pumps, sensors, control boards, or refrigerant components to restore reliable heating performance.

Can proper troubleshooting extend the life of my HVAC system?

Definitely. Early diagnosis prevents compressor strain, electrical damage, and cooling system failures, helping your marine HVAC system last longer and operate more efficiently.

Why does my marine air conditioning system lose cooling efficiency over time?

Reduced cooling efficiency is often caused by mineral scale, salt buildup, and marine growth inside the HVAC heat exchanger. Descaling and acid flushing remove these deposits and restore proper heat transfer.

Marine AC repair - Repair

#1278 Olivia, cruiser owner in Long Beach asks asks Dec 21, 2025

Can low refrigerant cause damage to my AC system?

1 answer

Fryderyk Florczak answers Dec 21, 2025

Yes, low refrigerant can cause poor cooling, increased wear on the compressor, and eventual system failure. Early detection and proper recharging protect the entire refrigeration system.

#1276 Derek, sportfishing boat owner in Newport Beach asks asks Dec 21, 2025

What does a marine AC refrigeration service include?

1 answer

Fryderyk Florczak answers Dec 21, 2025

The service includes checking refrigerant levels, inspecting compressors and evaporators, testing pressures, cleaning coils, and verifying proper airflow. We also check electrical connections and safety controls.

#1274 Melissa, sailboat owner in Long Beach asks asks Dec 21, 2025

What are common signs that my marine AC system needs service?

1 answer

Fryderyk Florczak answers Dec 21, 2025

Reduced cooling, warm air output, unusual noises, icing on lines, or frequent system shutdowns are common indicators. These symptoms often point to refrigerant issues, blockages, or failing components.

#1272 Brandon, motor yacht owner in Newport Beach asks asks Dec 21, 2025

Why is regular marine air conditioning refrigeration service important?

1 answer

Fryderyk Florczak answers Dec 21, 2025

Regular refrigeration service ensures proper cooling performance, prevents compressor failure, and avoids costly breakdowns. Marine AC systems operate in harsh saltwater environments, making routine maintenance essential for reliability and efficiency.

#1270 Colin, boat owner in Newport Beach asks asks Dec 21, 2025

Can HVAC descaling improve overall onboard comfort and energy efficiency?

1 answer

Fryderyk Florczak answers Dec 21, 2025

Yes. A clean HVAC system cools faster, maintains stable cabin temperatures, reduces electrical load, and provides quieter, more efficient operation throughout the boat.

#1268 Vanessa, yacht owner in Long Beach asks asks Dec 21, 2025

Do you inspect other components during HVAC acid flushing?

1 answer

Fryderyk Florczak answers Dec 21, 2025

Absolutely. We inspect raw water pumps, hoses, strainers, discharge flow, and system pressures to ensure the entire HVAC cooling circuit is operating correctly after flushing.

#1266 Tyler, sportfishing boat owner in Newport Beach asks asks Dec 21, 2025

Does descaling help prevent HVAC system failures?

1 answer

Fryderyk Florczak answers Dec 21, 2025

Yes. Removing internal buildup improves water flow, reduces operating pressure, and protects major components like compressors, pumps, and heat exchangers from premature failure.

#1264 Angela, cruiser owner in Long Beach asks asks Dec 21, 2025

How often should marine HVAC descaling and acid flushing be performed?

1 answer

Fryderyk Florczak answers Dec 21, 2025

For boats operating in saltwater, we recommend descaling every 12 months or every 250–300 operating hours. High-use systems may require more frequent service.

#1262 Derek, sailboat owner in Newport Harbor asks asks Dec 21, 2025

What are the signs that my HVAC system needs descaling?

1 answer

Fryderyk Florczak answers Dec 21, 2025

Common signs include weak airflow cooling, frequent high-pressure shutdowns, warmer cabin temperatures, or reduced water flow from the discharge outlet.

#1260 Nicole, motorboat owner in Long Beach asks asks Dec 21, 2025

What is acid flushing and is it safe for my marine HVAC system?

1 answer

Fryderyk Florczak answers Dec 21, 2025

Acid flushing uses marine-approved solutions to dissolve scale and buildup inside the cooling circuit. When done correctly, it is completely safe and prevents corrosion, overheating, and compressor strain.