AC Repair & Service in Kolkata
Looking for reliable AC repair and service in Kolkata? You are in the right place. FindService.in connects you with verified, experienced air-conditioning technicians across Kolkata who handle everything from routine servicing and gas refilling to complex compressor and PCB repairs — for split, window, cassette and inverter ACs of every major brand. Kolkata's humid subtropical climate, with oppressive summers touching 40°C and monsoon humidity above 85%, pushes air conditioners to their limits from March to October. High humidity corrodes outdoor condenser coils and PCBs faster than in drier cities, while monsoon flooding in low-lying areas frequently damages outdoor units installed at ground level. For televisions, moisture ingress during the monsoon is the leading cause of backlight and power-board failures in Kolkata homes. Voltage fluctuations are common in older neighbourhoods like Shyambazar and Gariahat, and nor'wester (Kalbaisakhi) storms in April-May cause frequent power surges that damage AC compressors and TV power supplies. Our listed technicians in Kolkata carry genuine spare parts, digital manifold gauges, vacuum pumps and nitrogen kits, so most repairs — including gas charging with proper leak testing — are completed in a single visit. Whether your AC is blowing warm air, leaking water, making unusual noise, tripping the MCB or simply not cooling like it used to, you can find a specialist near you on this page. Kolkata's mix of heritage bungalows in Ballygunge, older North Kolkata baris with thick walls, and modern high-rises in New Town and Rajarhat each demand different installation approaches — from concealed piping in heritage homes to long copper runs in 20-floor towers. Booking through FindService.in is simple: browse verified providers below, compare ratings and service areas, and call or WhatsApp the technician directly. There are no middlemen commissions — you deal with the service provider directly and pay them for the work done. We recommend always asking for a written estimate before work begins and checking that the technician tests cooling performance after the job. Regular preventive maintenance is the single biggest money-saver for Kolkata households. A properly serviced AC cools faster, consumes up to 20-25% less electricity, and lasts years longer than a neglected one. With electricity tariffs rising every year, an annual pre-summer service typically pays for itself within two months of savings on your power bill. Every provider listed here has been verified by our team for identity, experience and service history in Kolkata. We check their physical presence, customer feedback and technical capability before granting the verified badge — so you can book with confidence instead of taking a chance on an unknown number from a classifieds site.
Top AC Repair & Service Providers in Kolkata
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Why Choose a Verified AC Repair & Service Service?
Verified identity and address
Every AC technician listed for Kolkata has passed our verification checks, so you know exactly who is entering your home.
Transparent pricing
Providers commit to upfront estimates before work begins — no surprise charges after the AC is opened up.
Real customer feedback
Ratings come from actual completed jobs, helping you pick technicians with a proven track record.
Why Choose FindService.in?
- Largest directory of verified AC technicians across Kolkata
- Direct contact — call or WhatsApp the provider, no commission added
- Providers for all brands: Daikin, LG, Samsung, Voltas, Blue Star, Hitachi, O'General, Carrier and more
- Doorstep service available in every major locality
- Free listing for genuine technicians keeps the directory fresh and competitive
Common AC Repair & Service Problems
AC not cooling or weak cooling
Usually caused by low refrigerant, clogged filters or a dirty condenser coil. A proper service plus gas top-up resolves most cases within an hour.
Water dripping from indoor unit
A blocked condensate drain line — very common in Kolkata due to dust and hard water scaling — or a tilted installation. Technicians flush the drain line and level the unit.
AC trips the MCB or won't start
Points to a faulty capacitor, shorted compressor winding or PCB fault. Needs electrical diagnosis before any part is replaced.
Unusual noise or vibration
Loose fan blades, worn blower bearings or a failing compressor mount. Early repair prevents expensive secondary damage.
Bad smell when AC runs
Bacterial growth on the evaporator coil and drain tray. An anti-bacterial foam deep-clean eliminates the odour and improves air quality.
Ice forming on the coil or pipes
Low gas or restricted airflow causes the evaporator to freeze. Continuing to run the AC in this state can destroy the compressor.
Brands Commonly Serviced
Brand names are used only to indicate compatibility. FindService.in and listed providers are independent service directories and are not authorised service centres of these brands unless explicitly stated by the provider.
Where we commonly install and service ACs
Service Types
Residential AC service
Home split and window AC servicing, repair and installation across Kolkata, with same-day appointments in most areas.
Commercial AC maintenance
AMC plans for offices, shops, clinics and restaurants covering scheduled servicing, priority breakdown support and discounted spares.
New AC installation
Complete installation including site inspection, copper piping, vacuuming, wall brackets and commissioning with gas-pressure checks.
AC shifting and reinstallation
Safe dismantling, transport and reinstallation when you move home within Kolkata, including fresh piping where needed.
Areas Covered in Kolkata
Our verified AC technicians cover all of Kolkata — from Salt Lake and New Town to Behala, Ballygunge and every locality in between. Most providers offer same-day service within their zone and next-day service city-wide.
Factors Affecting Repair Cost
Gas type and quantity
R32 and R410A cost more per kg than older R22. Full charging after a leak repair costs more than a top-up.
AC tonnage and type
A 2-ton split or cassette AC takes longer to service than a 1-ton window unit, and parts cost more.
Spare-part genuineness
Original compressors and PCBs cost more than compatible aftermarket parts but come with real warranties.
Accessibility of outdoor unit
Units on high-rise facades in Kolkata's newer towers may need rope-access or scaffolding, adding to labour cost.
Piping length for installations
Beyond the standard 10-12 feet, copper piping and insulation are charged per foot.
Prices vary by brand, AC type and the specific fault. Always confirm the final estimate before work starts.
Maintenance Tips
- 1Clean or wash the filters every 2-3 weeks during heavy-use months — it takes five minutes and improves cooling instantly.
- 2Schedule a professional deep service before Kolkata's summer begins, ideally in February or March.
- 3Keep the outdoor unit shaded from direct afternoon sun where possible, but never cover it while running.
- 4Set the thermostat to 24-26°C — every degree lower raises power consumption by roughly 6%.
- 5Run the AC in fan mode for 15 minutes before switching off to dry the coil and prevent bacterial growth.
- 6Never attempt gas refilling yourself — refrigerant handling requires certified equipment and training.
Repair or Replace?
If your AC is under 7 years old and the repair costs less than 40% of a new unit, repair is almost always the sensible choice. For ACs older than 10 years with a failed compressor — especially older R22 models where gas is being phased out — putting that money toward a new 5-star inverter AC usually makes more financial sense in Kolkata's long cooling season. A good technician will tell you honestly which side of this line your unit falls on.
How to Choose the Right Technician
- 1Check the verified badge — it means our team has confirmed the technician's identity and service record in Kolkata.
- 2Ask whether gas refilling includes leak detection and nitrogen flushing; refilling without fixing the leak wastes your money.
- 3Confirm the spare-part warranty in writing — genuine compressors carry 6-12 months warranty.
- 4Compare at least two providers' ratings and response times before booking.
- 5Prefer technicians who use digital gauges and vacuum pumps rather than guesswork.
- 6Ask for a GST invoice or written receipt for any repair above ₹1,000.
Services Offered
- Split AC installation and uninstallation with copper piping and wall bracket
- Window AC installation, service and gas charging
- AC gas refilling (R22, R32, R410A) with electronic leak detection
- Anti-bacterial deep cleaning of filters, coils, blower and drain tray
- Compressor repair and replacement for all tonnage
- PCB and inverter board repair for Daikin, LG, Samsung and other brands
- Condenser and evaporator coil repair, straightening and replacement
- Water leakage and drain line blockage repair
- Annual Maintenance Contracts (AMC) for homes and offices
- Cassette and ductable AC service for shops and commercial spaces
Frequently Asked Questions
How much does AC servicing cost in Kolkata?
A standard split AC wet service costs ₹399-₹599. Deep chemical cleaning is ₹700-₹1,000. Gas refilling ranges from ₹1,500 to ₹2,800 depending on the refrigerant type and quantity.
How often should I service my AC?
Twice a year is ideal — once before summer and once after the monsoon or peak season. Homes near construction sites or main roads may need quarterly filter cleaning.
Why is my AC leaking water inside the room?
Almost always a blocked condensate drain line or a misaligned unit. The fix is quick and inexpensive, but ignoring it damages walls and can short the PCB.
Do technicians come home, or do I need to take the AC somewhere?
All AC service and repair is done at your doorstep. Technicians carry tools, spares and gas cylinders for on-site work.
Is gas refilling a permanent fix?
No — ACs are sealed systems and gas only escapes through a leak. A proper job includes leak detection, repair, nitrogen flushing, vacuuming and then charging. Refilling without fixing the leak lasts weeks at best.
Which AC brands do your listed technicians repair?
All major brands including Daikin, LG, Samsung, Voltas, Blue Star, Hitachi, O'General, Carrier, Lloyd and Panasonic — split, window, cassette and inverter models.
Do I get a warranty on repairs?
Reputable providers give 3-12 months warranty depending on the part. Always ask for the warranty terms in writing on your invoice.
Can you install an AC I bought online?
Yes. Most Kolkata technicians install ACs purchased from Amazon, Flipkart or brand stores, including piping, brackets and commissioning. Note that brand warranty terms may require authorised installation for some brands.
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