Where is Ali Hassan Marine based and which areas do you serve?

Our head office is located at New Muwaileh, Office 4, Muwaileh Commercial Industrial Area, Sharjah, UAE. From this base we serve all major UAE locations including Dubai, Sharjah, Ajman, Fujairah, and Ras Al Khaimah. Our mobile teams can reach most locations within 1–2 hours for urgent calls, and we also attend vessels at all UAE ports and anchorages.

Are your technicians available 24 hours a day, 7 days a week?

Yes — our emergency response line is active 24 hours a day, 365 days a year. For marine vessel breakdowns, refrigeration failures, and AC emergencies we aim to have a technician on-site within 2 hours of your call. During standard business hours (Sunday to Thursday, 8 AM – 6 PM) our full office team is also available for non-urgent enquiries and quotations.

How do I request a quote or book a service visit?

You can reach us in three ways: call or WhatsApp us on +971 54 575 8205, email us at alihassanmarinellc@gmail.com, or fill in the contact form on our website at https://alihassanmarine.com/contact-us/. For emergency repairs, calling is always fastest. For new installations or planned work we recommend completing the online form so we can send the right engineer with the right equipment.

What types of marine refrigeration systems do you service?

We service all marine refrigeration system types found on commercial vessels, cargo ships, fishing fleets, and pleasure crafts. This includes provision refrigeration, fish hold cooling, reefer container units, provision store chillers, and full-vessel HVAC systems. We also carry out compressor overhauls for Sabroe, Bock, Bitzer, and Carlyle compressors commonly found on larger vessels.

Can you attend a vessel at anchor or underway in UAE waters?

Yes. We regularly attend vessels at Dubai, Sharjah, Hamriyah, Ajman, and Fujairah ports, as well as at anchorage positions in UAE waters. For vessels at anchor we can arrange launch transfer for our engineers. Please provide us with your vessel name, IMO number, anchorage position, and estimated stay duration when you call, so we can coordinate access efficiently.

Do you offer Annual Maintenance Contracts for vessels?

Yes. Our Annual Maintenance Contracts (AMC) for vessels include scheduled preventive maintenance visits (frequency tailored to your vessel's operational pattern), priority emergency response ahead of non-contract clients, discounted spare parts pricing, and full service reports after every visit. AMCs significantly reduce the risk of unexpected breakdowns and help vessel operators plan maintenance budgets accurately. Contact us at https://alihassanmarine.com/contact-us/ to discuss a contract tailored to your fleet.

My AC is running but not cooling — what could be wrong?

The most common causes are low refrigerant gas pressure (often due to a leak), a dirty or blocked condenser coil, a faulty compressor, or a blocked air filter. A fully charged but dirty AC can lose up to 30% of its cooling capacity without any obvious external sign. Our technician will run a full diagnostic on-site — checking gas pressure, electrical components, coil condition, and airflow — and identify the exact cause before quoting for any repair.

How often should I clean my AC ducts?

For residential properties we recommend professional duct cleaning every 12 to 18 months. For commercial buildings with high occupancy — offices, hotels, restaurants, hospitals — we recommend every 6 to 12 months. In dusty environments like construction sites or industrial areas, frequency should be increased. Signs you need an earlier clean include musty smells from vents, visible dust around registers, and increased allergy symptoms indoors.

What is VRV / VRF and is it suitable for my building?

VRV (Variable Refrigerant Volume) and VRF (Variable Refrigerant Flow) are names for the same technology — a single outdoor condensing unit connected to multiple indoor units (up to 64), each with independent temperature control. VRF systems are 30–40% more energy-efficient than conventional split AC systems at scale, making them ideal for offices, hotels, hospitals, and large commercial buildings. They are generally most cost-effective when you need to condition more than 5 separate zones. We provide free system design and load calculation — contact us at https://alihassanmarine.com/contact-us/ to discuss your project.

Which compressor brands do you stock spare parts for?

We maintain stock of genuine and high-quality equivalent spare parts for Sabroe, Bock, Bitzer, and Carlyle compressors — the most common brands found on commercial vessels and industrial systems in the region. For AC systems, we stock compressor parts for Daikin, LG, Samsung, Carrier, Trane, York, Gree, and Midea. If you need a part we don't currently hold in stock, we can source it rapidly through our international supplier network.

Are the spare parts you supply genuine OEM parts?

We supply genuine OEM (Original Equipment Manufacturer) parts wherever available. In some cases — particularly for older or discontinued models — we supply high-quality equivalent parts that meet or exceed the original manufacturer's specifications. We always clearly state which type of part we are supplying in our quotation, so you can make an informed decision. We never supply counterfeit or substandard parts.

How long does it take to source a spare part you don't have in stock?

For most common parts, if we don't have the item in our local warehouse we can source it within 2 to 5 working days through our UAE distributor network. For specialist or rare parts — such as components for older Sabroe reciprocating compressors — international sourcing typically takes 7 to 14 days depending on the manufacturer's location and current availability. We always advise on the expected lead time before you confirm an order.

Do you provide a warranty on your repair work?

Yes. All our repair work comes with a 30-day workmanship guarantee. If the same fault recurs within 30 days of our repair, we return and fix it at no additional charge — no arguments, no callout fee. For new installations we provide the full manufacturer's warranty on all equipment supplied, plus our own workmanship guarantee on the installation labour and pipework. Spare parts supplied carry a 12-month parts warranty.

Will I receive a quote before any work starts?

Always. We provide a clear, itemised written quotation before any work begins — covering parts, labour, and any materials. We never start a repair without your explicit approval of the price. For emergency callouts where a quick decision is needed, our technician will explain the fault and cost verbally on-site and confirm in writing. There are no hidden charges and no pressure to proceed with any work you are not comfortable with.

What does an Annual Maintenance Contract (AMC) include?

Our AMC packages are tailored to each client's needs but typically include: scheduled preventive maintenance visits (quarterly, bi-annual, or as agreed), priority emergency response over non-contract clients, discounted spare parts pricing (usually 10–20% below standard rates), detailed service reports after every visit, and a dedicated account contact. AMC clients also benefit from proactive advice on equipment that may need attention before it becomes an emergency. Contact us at https://alihassanmarine.com/contact-us/ to get a tailored AMC proposal for your property or fleet.

Professional AC Services in UAE — Dubai, Sharjah, Ajman, Fujairah & Ras Al Khaimah

Ali Hassan Marine offers expert AC repair, installation, gas refilling, duct cleaning, and AMC services across UAE. Our licensed technicians are available 24/7 for all AC types — split, central, cassette, and VRF — serving residential and commercial customers in Dubai, Sharjah, Ajman, Fujairah, and Ras Al Khaimah.

Complete AC Services We Offer Across UAE

We are a one-stop solution for all AC needs in UAE — from a single split unit to large commercial HVAC systems.
AC Repair — All brands, all types
AC Installation — Split, Window, Central, Cassette, Ducted, VRF/VRV
AC Gas Refilling — R22, R32, R410A, R134a (Freon)
AC Duct Cleaning & Deep Cleaning
AC Filter Cleaning & Coil Cleaning
Compressor Repair & Replacement
PCB Board Repair
Thermostat & Remote Repair
Annual Maintenance Contracts (AMC)
Emergency & Same-Day AC Repair (24/7)

AC Repair Services in Dubai, Sharjah & All UAE Emirates

AC not cooling? Strange noise or water leaking? Our technicians diagnose and fix all AC problems — fast and at transparent prices.
AC not cooling — low gas, dirty filter, compressor fault
Water leaking from indoor or outdoor unit
AC making loud or strange noise
AC not turning on — PCB or power fault
Bad smell coming from AC — mold or bacteria buildup
AC tripping or circuit breaker issues
Low airflow — blocked filters or duct issues
Ice forming on the AC — refrigerant or airflow problem

AC Repair & Troubleshooting

We diagnose and fix cooling issues, airflow problems, and system faults. Our technicians restore AC performance quickly and efficiently.

AC Installation

We install new AC systems with proper sizing, placement, and configuration. This ensures optimal cooling and energy efficiency.

Duct Cleaning & Airflow Optimization

Dirty ducts reduce air quality and system efficiency. We clean and optimize airflow systems for better performance and healthier air.

Compressor Replacement

Faulty compressors can stop your AC completely. We replace compressors with high-quality units to restore cooling performance.

AC Installation Services — Split, Central & Ducted Systems

Installing a new AC in your villa, apartment, or office? Our team handles everything — mounting, electrical connections, refrigerant charging, and testing — for all residential and commercial properties across UAE.
Split AC Installation (all tonnage — 1 ton to 5 ton)
Window AC Installation
Cassette AC Installation (office & retail)
Central AC & Ducted System Installation
VRF / VRV System Installation (multi-zone)
Floor Standing AC Installation
Inverter AC Installation (energy saving)

AC Not Cooling

Caused by refrigerant issues, compressor faults, or airflow blockage. We diagnose and restore proper cooling performance.

Weak Airflow

Blocked ducts or faulty fans reduce airflow. We repair and optimize air distribution systems.

Water Leakage

Clogged drains or internal faults can cause leakage. We fix drainage issues and prevent further damage.

High Energy Consumption

Inefficient systems consume more power. We optimize performance to reduce energy usage.

Industrial · Ajman

Chiller Units Compressor Replacement Split AC Repair New AC Installation

We contacted them for our chiller units and split AC systems at our factory. Their team handled the compressor change professionally and completed the new split AC installations on schedule. Clean work, no mess left behind, and the systems have been running perfectly ever since. Highly dependable.

Cargo Vessel · Dubai

ECR Room Compressor Overhauling 5 Ton 60Hz AC Installation

The team was mobilised quickly to our vessel MV Green Land. They carried out a full compressor overhaul and reinstallation in the ECR room and fitted the new 5-ton 60Hz AC units without any delays. Their understanding of marine electrical systems and refrigeration gave us full confidence. Excellent execution from start to finish.

Cargo Vessel · Dubai

AC Unit Servicing Compressor Replacement 3 Ton & 5 Ton 60Hz Install

They serviced all AC units aboard MV White Land, replaced the faulty compressor, and installed both 3-ton and 5-ton 60Hz units. The team worked efficiently within our port window and left the systems fully operational. We will continue working with them for future maintenance across our fleet.

Passenger Vessel

R404A Recovery (30kg) Expansion Valve & Orifice System Flush & Vacuum Drier Core Replacement

They mobilised to MV AM Princess with a full team and tools. The entire refrigeration system was recovered, flushed, pressure-tested and vacuumed before recharging with R404A. The expansion valve, orifice, and drier cores were all replaced with new parts. The system passed pressure hold for a full hour before recharge. It's running in perfect condition now. Thorough, documented, and professional.

AC Gas Refilling & Refrigerant Charging UAE (R22, R32, R410A)

Low refrigerant is a common cause of poor cooling. Our technicians detect leaks first, then refill your system with the correct gas to restore full performance.
R22 (Freon) gas refilling
R32 refrigerant charging
R410A gas refilling
R134a refrigerant top-up
Leak detection before refilling
All brands and AC types covered

AC Duct Cleaning & Deep Cleaning Services UAE

Dirty ducts reduce AC efficiency, raise electricity bills, and spread allergens. Our cleaning service covers filters, coils, drainage pipes, and full duct sanitization.
AC filter cleaning & replacement
Evaporator & condenser coil cleaning
Air duct deep cleaning
Drainage pipe flush & cleaning
Antibacterial sanitization
Odor removal treatment

Annual Maintenance Contract (AMC) for AC Systems

Avoid breakdowns and save on repair costs with our AMC plans. We offer customized contracts for villas, offices, hotels, and industrial sites across UAE.
2 or 4 scheduled service visits per year
Priority emergency response
Gas top-up included (subject to plan)
Filter cleaning & coil cleaning
Detailed service reports after each visit
AMC plans for 1 unit to 100+ units
Residential, commercial & industrial AMC

Emergency AC Repair — 24/7 Same Day Service UAE

AC failure in UAE summer can’t wait. We offer 24/7 emergency AC repair across Dubai, Sharjah, Ajman, Fujairah, and RAK — same-day service, any time.

Need Marine AC & Chiller Repair Service?

Our marine cooling specialists provide professional diagnostics, repair, and maintenance services for vessels operating across the United Arab Emirates.