AC Repair in Kolkata: Costs, Best Services & How to Choose

AC repair in Kolkata typically costs between ₹299 and ₹2,800 depending on the job, with a basic check-up starting at ₹299 and a full gas refill running around ₹2,800. Kolkata’s humidity from April through September puts air conditioners under real stress, and a failed AC in Salt Lake or Tollygunge at 2pm on a June afternoon is not a minor inconvenience. This guide covers what repairs actually cost, which service providers are worth calling, and how to avoid the common traps.

AC repair prices in Kolkata: what you’ll actually pay

Prices in Kolkata’s AC repair market vary more than they should. Listed below are the rates from the major platforms operating in the city as of May 2026, grounded in what Urban Company, Quick2Service, and others publicly advertise.

A full gas refill (R-32 or R-410A) with check-up runs around ₹2,800 through Urban Company in Kolkata. A standard foam-jet service for one split or window AC starts at ₹599. A diagnostic repair check-up starts at ₹299.

Quick2Service lists AC repair in Kolkata starting at ₹250, which places it at the lower end. Platforms like Sulekha and JustDial act as marketplaces where local providers such as Reboot It Electronics, Desire Multitech Solutions, and Star Cooling set their own rates. The ac repair in Kolkata price list above reflects the range you’ll encounter across these channels.

One thing worth understanding: the starting price on any platform is for the visit and diagnosis. Parts, refrigerant, and PCB replacements are charged separately. Always ask for a written quote before any work begins.

Editor’s note: If a technician quotes you a gas refill price significantly below ₹2,800, ask which refrigerant they’re using and whether it’s certified. Kolkata has seen cases of cheaper, unbranded refrigerant being used in window AC repairs, which shortens compressor life.

Common AC problems in Kolkata and what causes them

Kolkata’s climate is specific. The monsoon humidity from June through September forces ACs to work harder than they would in a drier city. Dust from traffic in areas like Esplanade, Gariahat, and Park Circus clogs filters faster than manufacturers’ recommended service intervals account for. Here’s what fails most often.

• Gas leak / low refrigerant. The single most common complaint. Symptoms: the AC runs but the room doesn’t cool below 26°C even at the lowest setting. Cause is usually a micro-crack in the copper pipe or a loose valve fitting. A gas refill without fixing the underlying leak is money wasted.
• Clogged filter and coil. Kolkata’s pre-monsoon dust season (March to May) accelerates this. A clogged indoor coil drops cooling efficiency and makes the outdoor unit work harder. A foam-jet service clears this in under 90 minutes.
• PCB (printed circuit board) fault. Power fluctuations, which are common in older residential areas of North Kolkata and parts of Howrah, damage AC control boards. PCB repairs or replacements are the priciest common repair after compressor failure.
• Drainage pipe blockage. High humidity means the drainage pipe carries a heavy water load. Algae and debris block it, causing water to drip from the indoor unit onto walls and floors. Common complaint in flats across New Town and Rajarhat.
• Compressor failure. Usually the result of years of deferred maintenance. If a technician tells you the compressor needs replacing, get a second opinion before agreeing, especially on any unit under 10 years old.

“The two most preventable AC failures in Kolkata are a dirty coil and a slow gas leak. Both are cheap to fix early. Both become expensive if left six months.”

If you’re comparing repair situations across cities, the AC repair patterns in Kolkata share similarities with those documented in our AC repair guide for Nagpur, particularly around compressor stress in high-humidity summers.

Which AC company has the best service in Kolkata?

Based on ratings and review counts from JustDial and Sulekha, the most trusted names in Kolkata’s AC repair market as of 2026 are:

• Reboot It Electronics Pvt Ltd, 4.7 rating, 1,200+ reviews. Highest volume of verified reviews among local providers.
• Urban Live Service, 5.0 rating, 474 reviews. Smaller but consistent.
• Desire Multitech Solutions, 4.8 rating, 234 reviews. Advertises same day AC repair in Kolkata and covers split, window, cassette, and ductable units.
• A To Z Services, 4.7 rating, 224 reviews.
• Friends Refrigeration, 4.7 rating, 183 reviews.
• Star Cooling, 4.8 rating, 168 reviews.

Urban Company operates as a platform in Kolkata, connecting customers with background-verified technicians. Their listed ratings aggregate 1.3 million reviews nationally. For Kolkata specifically, recent reviews from areas including Bidhannagar, New Town, and South Dumdum are mixed, with some flagging technician experience on gas refills. Worth noting before you book.

Coolfix Solution and NoBroker also operate in the city. NoBroker’s AC repair service covers both home and office, which makes it worth considering for commercial spaces in the CBD or the IT parks along EM Bypass.

Platform vs. local provider: the real tradeoff

Platforms like Urban Company and HomeTriangle give you insurance coverage (Urban Company lists ₹10,000 cover per AC serviced) and a 30-day service guarantee. Local providers like Coolfix Solution, Desire Multitech Solutions, and Reboot It Electronics may be faster, more willing to negotiate on AC repair price in Kolkata, and more familiar with the specific building types and power conditions in their area. The right choice depends on whether you need the accountability layer of a platform or the local knowledge of an independent shop.

How to choose a technician for your AC in Kolkata

Getting a good repair outcome comes down to three things: who you call, what you ask before they start, and what you confirm in writing.

1. Check Google reviews, not just platform ratings. Search the company name and read the one-star reviews specifically. Patterns in complaints (wrong diagnosis, gas leaks recurring after refill, no-shows) are more useful than the overall star average.
2. Ask whether the technician is brand-trained or multi-brand. If you have a Daikin or Voltas unit under warranty, using an unauthorised technician can void that warranty. Always check your warranty terms first.
3. Get the diagnosis in writing before authorising repair. A reputable technician identifies the fault first, quotes you the cost, and starts work only after your approval. Anyone who starts dismantling your unit without this step is a risk.
4. Ask about the gas they’ll use. Most recent split ACs in India use R-32 or R-410A. An older window AC may use R-22. Confirm the technician carries the correct type, and ask to see the cylinder label.
5. Confirm the warranty on the repair. Urban Company offers 30 days. Some local shops in Kolkata offer 60 to 90 days on parts. Get the duration and its terms in writing or on WhatsApp before the job starts.

The cheapest AC repair in Kolkata isn’t always the best value

A ₹250 repair visit that misdiagnoses the fault and leaves you calling again in three weeks costs more than a ₹600 visit with a proper diagnostic. The best AC service in Kolkata is one that fixes the problem once. Look for technicians with a track record of resolving the same issue without repeat visits, not just the lowest starting price.

Window AC vs. split AC repair: does it matter in Kolkata?

Window AC repair in Kolkata is generally cheaper per visit than split AC repair because window units are simpler machines with fewer components. The indoor and outdoor sections are one unit, so access is easier. Most technicians in the city are comfortable with both types, though PCB repairs on newer inverter split ACs require more specialist knowledge.

If you have a cassette or ductable AC in a commercial space (common in the malls and office towers along Park Street or the Salt Lake Sector V office zone), pricing and technician availability differ from residential split and window units. Platforms like Desire Multitech Solutions and NoBroker explicitly cover cassette and ductable units, which not all local shops handle.

Mobile AC repair in Kolkata (technicians who come to your home rather than requiring you to bring the unit to a shop) is now the default across all platforms and most independent providers in the city. It’s worth confirming this when booking, especially in older buildings in North Kolkata where access can be trickier.

Running a home service business in Kolkata? See how a verified Google presence and a simple website turn your existing customers into a review engine that brings in new ones 24 hours a day.

Frequently Asked Questions

Before you book: a quick checklist

• Check that the technician covers your neighbourhood (Salt Lake, Behala, New Town, Howrah, and Tollygunge all have different provider coverage).
• Ask for a written or WhatsApp quote before the repair starts, not after.
• Confirm the warranty period on parts and labour.
• If your AC is under the manufacturer’s warranty, use an authorised service centre to avoid voiding it.
• For gas refill jobs, ask to see the refrigerant cylinder label (R-32, R-410A, or R-22).