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AC Repair Services in Dubai - All Types, All Brands, Same Day
Is your AC not cooling? Blowing warm air? Leaking water or making unusual noise? Our certified technicians at CoreHome ApplianceFix diagnose and repair all AC faults at your home, apartment, or office across Dubai — fast, clean, and guaranteed.
- Same-Day Service Available
- All Brands & AC Types
- 15 Day Repair Warranty
- Serving All Dubai Areas
Dubai's Trusted AC Repair Experts --- At Your Door, Not Your Worry
A malfunctioning air conditioner in Dubai is not just an inconvenience — in a city where summer temperatures regularly exceed 45°C, a broken AC is an urgent household emergency. At CoreHome ApplianceFix, we provide fast, certified AC repair services across Dubai for all types and brands, arriving at your home or office fully equipped to diagnose and fix the fault on the same day.
Whether your split AC is not cooling, your central air conditioning system has lost pressure, your cassette unit is leaking water from the ceiling, or your window AC is making a loud rattling noise — our experienced technicians identify the root cause accurately and repair it using genuine or manufacturer-approved spare parts.
We cover all residential and commercial areas of Dubai including Downtown Dubai, Dubai Marina, Jumeirah, Business Bay, Palm Jumeirah, International City, Al Barsha, JLT, Deira, Mirdif, and all surrounding communities. Same-day appointments are available 7 days a week, from 8AM to 9PM.
AC Problems We Fix in Dubai --- Diagnosis & Solutions
Air conditioners in Dubai develop specific, recognisable faults due to the extreme heat, dust, and humidity of the UAE climate. Below are the most common AC problems our technicians fix every day across Dubai homes and offices --- and what causes them.
1. AC Not Cooling or Blowing Warm Air
When an AC is running but not producing cold air, the most common causes are low refrigerant (gas) levels due to a leak, a dirty or blocked condenser coil, a faulty compressor, or a frozen evaporator coil caused by restricted airflow. In Dubai's extreme summer heat, a unit that has lost even a small amount of refrigerant will struggle to maintain the set temperature. Our technicians carry gas charging equipment and diagnostic tools to identify the exact cause, recharge the system, and repair any leak points on-site.
2. AC Leaking Water Inside
Water dripping from the indoor AC unit is one of the most common complaints we receive across Dubai apartments and villas. The most frequent cause is a blocked condensate drain line, which becomes clogged with algae, dust, and scale from Dubai's hard, mineral-rich water. Other causes include a disconnected drain pipe, a frozen evaporator coil defrosting rapidly, or an incorrectly levelled indoor unit. We clear blocked drain lines, flush the condensate system, and correct unit positioning on-site.
3. AC Not Turning On
An AC that shows no response when switched on could have a blown fuse, a tripped circuit breaker, a faulty thermostat, a failed capacitor, or a completely seized compressor. Dubai's voltage fluctuations --- particularly in older residential buildings in Deira, Bur Dubai, and International City --- are a leading cause of capacitor and control board failures. We test the full electrical circuit, replace capacitors and fuses, and diagnose PCB faults to restore power to your unit.
4. AC Making Loud Noise --- Rattling, Banging or Squealing
Unusual noises from an AC unit are always a sign of a mechanical fault that will worsen if ignored. A rattling sound usually indicates loose panels, a dirty fan blade, or debris caught inside the unit. A banging or clunking noise points to a loose or broken fan blade or a failing compressor. A high-pitched squealing sound is almost always a worn fan motor bearing. We identify the noise source, replace worn components, and secure all moving parts to restore quiet operation.
5. AC Freezing Up --- Ice on the Unit
Ice forming on the indoor unit or refrigerant lines is caused by restricted airflow from a blocked filter, low refrigerant levels, or a malfunctioning blower motor. When an AC freezes, it stops cooling effectively and can cause water damage when the ice melts. Our technician will defrost the unit safely, identify and resolve the underlying cause --- whether it is a gas recharge, filter replacement, or motor repair --- and test the unit to confirm stable operation.
6. AC Smells Bad --- Musty, Burning or Chemical Odour
A musty or damp smell from an AC unit is caused by mould and bacteria growing inside the evaporator coil and drain pan --- very common in Dubai due to the high humidity levels that condensation creates inside indoor units. A burning smell may indicate an electrical fault, an overheating motor, or dust burning off a heating element. A chemical or sweet smell suggests a refrigerant leak. We perform deep coil cleaning, drain pan sanitising, and electrical fault diagnosis as part of our AC service and repair visits.
7. AC Remote or Thermostat Not Working
When the AC does not respond to the remote control, the fault could be with the remote itself (battery or infrared transmitter), the indoor unit's receiver board, or the main PCB. A thermostat that reads the temperature incorrectly will cause the unit to short-cycle or run continuously without reaching the set temperature. We test and replace remote receivers, thermistors, and control boards for all major AC brands.
8. AC Not Reaching Set Temperature
If your AC runs continuously but the room never cools to the set temperature, the unit is either undersized for the space, low on refrigerant, or has a dirty condenser coil preventing proper heat transfer. In Dubai, outdoor condensers accumulate dust rapidly --- particularly in areas near construction sites such as Business Bay, JVC, and Al Quoz. Blocked condenser coils reduce the unit's cooling capacity by up to 30%. We clean condenser coils, recharge refrigerant, and assess whether the unit is correctly sized for the room.
9. AC Compressor Not Working
The compressor is the most critical and expensive component in an AC system. A compressor that clicks, hums without starting, or does not run at all typically has a failed start capacitor, a seized piston, an electrical winding fault, or has been damaged by liquid refrigerant flooding. We test compressors accurately using electrical and pressure diagnostics before recommending replacement --- in many cases, a capacitor or contactor replacement restores compressor function at a fraction of the cost of a full replacement.
10. AC Running but High Electricity Bills
An AC that is running but consuming far more electricity than normal is usually operating with low refrigerant, a dirty evaporator or condenser coil, a failing compressor, or a clogged air filter --- all of which force the system to work harder and longer to maintain temperature. In Dubai, where AC accounts for up to 70% of a home's electricity consumption in summer, a poorly performing unit has a direct and significant impact on DEWA bills. Our AC service visit includes coil cleaning, filter replacement, gas pressure check, and a full efficiency assessment.
All AC Types Repaired in Dubai
Our technicians are trained and experienced across every category of air conditioning system installed in Dubai's residential and commercial properties. We repair:
Split AC Units
The most common AC type across Dubai apartments and villas. A split system has a separate indoor and outdoor unit connected by refrigerant pipes. We repair all faults on split ACs including compressor failures, gas leaks, PCB issues, fan motor faults, and drain blockages for all brands and tonnage from 1 ton to 5 ton units.
Central AC Systems
Central air conditioning systems cool entire buildings or large floor areas through a network of ducts. Common faults include low refrigerant pressure, chiller unit failures, duct leaks, thermostat malfunctions, and air handler unit issues. We service central AC systems in villas, townhouses, offices, and commercial properties across Dubai.
Cassette AC Units
Cassette units are ceiling-mounted and common in offices, retail units, and larger rooms. Typical faults include blocked drain trays causing ceiling water leaks, dirty filters reducing airflow, fan motor failures, and PCB faults. We carry cassette-specific drain pumps and fan assemblies for all major brands.
Window AC Units
Window ACs are self-contained units fitted into a wall or window opening. Common faults include compressor failure, capacitor breakdown, thermostat malfunction, and dirty coils causing loss of cooling. We repair all window AC brands on-site without the need for removal.
Portable AC Units
Portable air conditioners are freestanding and can be moved between rooms. Common faults include drain tank blockages, refrigerant leaks, compressor failure, and fan motor issues. We repair all portable AC types and brands across Dubai.
Ducted AC Systems
Ducted systems distribute cool air through concealed ductwork from a central indoor unit. Faults commonly involve the indoor air handler, thermostat calibration, duct leaks, and dirty evaporator coils. We carry out full ducted system diagnostics and repairs for residential and light commercial installations.
AC Brands We Repair in Dubai
CoreHome ApplianceFix technicians are experienced with every major air conditioning brand available in the UAE market. Whether your unit is a premium model or a locally popular make, we have the knowledge and parts to repair it correctly.
Why Dubai Residents Choose Us for AC Repair
Certified Technicians with Hands-On Brand Experience
Every technician at CoreHome ApplianceFix is trained and certified in air conditioning repair across all major brands and system types. We do not send general handymen — we send AC repair specialists with direct experience on the brands and models common in Dubai's residential market.
We Carry Parts — Most Repairs Completed in One Visit
Our service vans carry the most commonly replaced AC components — capacitors, contactors, fan motors, thermostat sensors, PCBs, drain pumps, and refrigerant gas. For rare or brand-specific parts, we source and return promptly, keeping your home comfortable with minimum downtime.
Transparent Diagnosis — Quote Before We Start
We diagnose your AC unit and give you a clear, itemised quote before any repair work begins. No surprises. No pressure. You decide whether to proceed.
7-Day Repair Warranty
Every AC repair by CoreHome ApplianceFix carries a 15-day warranty on labour. If the same fault returns within this period, we come back and fix it at no additional charge.
On-Site Repairs — We Come to You
We repair AC units at your home, apartment, villa, or office. No need to remove or transport your unit. Our technician handles everything on-site and leaves your space clean and cool.
7 Days a Week, 8AM to 9PM
We are available every day of the week from 8AM to 9PM — including weekends and public holidays. Book same-day or schedule in advance at a time that suits you.
How Our AC Repair Process Works in Dubai
Step 1 — Contact Us & Describe the Problem
Call us, send a WhatsApp message, or fill in our online booking form. Tell us the brand and type of your AC unit, the fault you are experiencing, and your location in Dubai. We confirm your slot immediately.
Step 2 — Technician Arrives On-Time
Our certified AC repair technician arrives at your door at the agreed time, fully equipped with diagnostic tools, gas charging equipment, and the most commonly replaced spare parts. We respect your home — technicians work cleanly and wear shoe covers.
Step 3 — On-Site Diagnosis & Clear Quote
The technician runs a full diagnostic check — testing the compressor, refrigerant pressure, capacitors, PCB, fan motors, thermostat, drain system, and coil condition. We identify the exact fault and give you a transparent repair quote before starting any work.
Step 4 — Repair Completed, Warranty Issued
Once you approve the quote, we complete the repair on-site. We run the unit through a full cooling cycle before leaving to confirm everything is working correctly. You receive a 15-day warranty on all parts and labour.
AC Repair Across All Dubai Areas
CoreHome ApplianceFix provides AC repair services across the whole of Dubai. We are based in International City and our technicians cover all residential and commercial communities.
Downtown & Central
- Downtown Dubai
- Burj Khalifa Area
- Business Bay
- DIFC
- Al Satwa
Coastal & Waterfront
- Dubai Marina
- Palm Jumeirah
- JBR
- JLT
- Jumeirah
Family Communities
- Al Barsha
- Dubai Hills Estate
- Arabian Ranches
- Mirdif
- The Greens
- Motor City
- Sports City
Other Areas
- International City
- Deira
- Bur Dubai
- Al Quoz
- Silicon Oasis
- Jumeirah Islands
- Discovery Gardens
AC Repair in Dubai — What Every Homeowner Should Know
Dubai's climate creates conditions unlike almost anywhere else in the world for air conditioning systems. The city's ambient summer temperatures regularly exceed 45°C, with outdoor units on rooftops and balconies exposed to sustained heat that is well beyond the rated operating range for European and East Asian AC models. This thermal stress degrades compressor windings, capacitors, and refrigerant seals faster than the manufacturer's maintenance schedules are designed for — meaning Dubai AC units typically require professional servicing and repair more frequently than the same models used in cooler climates.
The UAE's water supply — desalinated and mineralised — contributes to condensate drain blockages and coil scale build-up at a faster rate than freshwater. Indoor evaporator coils and drain pans accumulate mineral deposits and biological growth that restrict airflow and drainage, directly reducing cooling efficiency and causing water leaks. Regular professional cleaning of evaporator coils is one of the most effective ways to maintain AC performance in Dubai and prevent costly compressor failures caused by prolonged inefficient operation.
Dubai's high dust environment — particularly during shamal season and periods of construction activity — accelerates condenser coil fouling. An outdoor unit with heavily blocked condenser fins cannot release heat efficiently, forcing the compressor to work at elevated head pressures. Over time, this causes compressor overheating and premature failure. Our technicians clean outdoor condenser coils as a standard part of every AC repair visit, restoring the unit's heat rejection capacity and protecting the compressor.
Voltage fluctuations remain a real risk factor for AC electronics in older Dubai residential buildings. Deira, Bur Dubai, Al Quoz, and parts of International City have ageing electrical infrastructure that can expose AC units to irregular voltages. Control boards and capacitors are the components most vulnerable to voltage instability — and both are components our technicians test and replace routinely. If your AC repeatedly fails after an apparent repair, underlying voltage issues may be contributing to repeated component failures.
Repair vs. Replacement: Our Professional Recommendation
When your AC breaks down, the question of repair versus replacement depends on the unit's age, brand, and the nature of the fault. As a general rule, if the repair cost is less than 40-50% of the cost of a new equivalent unit, repair is almost always the better financial choice — particularly for premium brands like Daikin, Mitsubishi, and Carrier, which are built for long service lives with proper maintenance. Our technicians will always give you an honest recommendation based on the unit's condition, not on the opportunity to sell a larger job.
Frequently Asked Questions — AC Repair Dubai
AC repair costs in Dubai vary depending on the fault and parts required. Simple repairs such as capacitor replacement or drain cleaning typically start from AED 100-180. Gas recharging costs between AED 150-300 depending on the refrigerant type and unit size.
Most AC repairs in Dubai are completed within 1-2 hours on the same visit. Gas recharges, capacitor replacements, drain flushes, and coil cleaning are all typically done in a single appointment. Where a specific spare part needs to be ordered.
Yes. CoreHome ApplianceFix offers same-day AC repair across Dubai. We have technicians available 7 days a week from 8AM to 9PM. If you book before midday, we can typically reach you the same day. During peak summer months (June-September), early booking is recommended as demand is at its highest. Call us on +971 50 564 6104 or send a WhatsApp message to confirm slot availability.
Yes. We repair all major AC brands available in the UAE including Samsung, LG, Daikin, Mitsubishi, Carrier, Toshiba, Hitachi, Panasonic, Gree, Midea, Hisense, O'General, Fujitsu, Sharp, Haier, and many more. If your brand is not listed, contact us — we are very likely to cover it.
Yes. Refrigerant recharging is one of the most common AC repairs we carry out in Dubai. We carry R32, R410A, and R22 refrigerants and use calibrated manifold gauges to recharge to the correct operating pressure for your specific unit. Before recharging, we always check for and repair any gas leak to prevent rapid loss of the newly charged refrigerant.
CoreHome ApplianceFix provides a 15-day warranty on all AC repair. If the same fault occurs again within 15 days of the repair, we return and fix it at no extra charge.
If your AC is still not cooling after a gas recharge, the refrigerant has likely leaked out again through an unrepaired leak point. Other possible causes are a dirty condenser coil preventing heat transfer, a failing compressor that cannot build sufficient pressure, or a faulty expansion valve.
In most cases, yes — particularly for units under 8-10 years old. If the repair cost is less than 40-50% of the price of a new equivalent unit, repair is almost always the more cost-effective option. For premium brands like Daikin, Mitsubishi Electric, and Carrier, which have long service lives when properly maintained, repair is often worth it even for older units. Our technicians will always give you an honest, unbiased recommendation.
AC Not Cooling? We'll Fix It Today.
Same-day AC repair across Dubai. All brands and unit types. Transparent pricing. 15-day warranty. Call or WhatsApp CoreHome ApplianceFix now.
+971 50 564 6104