AC water leakage in Kolkata homes usually comes down to a clogged drain pipe, dirty air filter, low refrigerant, or a broken condensate pump. Catch it early and a service visit fixes it in under an hour. Ignore it and you’re looking at ceiling stains, mould, and a compressor that wears out faster than it should.
Why AC Water Leakage Happens So Often in Kolkata
Kolkata’s humidity is brutal for most of the year, and that’s the root of the problem. Your AC pulls moisture out of the air constantly, and all that water has to go somewhere. When the drainage system can’t keep up, it backs up and finds its way out through the front panel or the wall.
Clogged Condensate Drain Line
This is the most common cause One Point Solutions sees on service calls across the city. Dust, algae, and mould build up inside the drain pipe over months of humid weather, and eventually the water has nowhere to go but back into the unit. A yearly flush during AMC visits keeps this from becoming a problem in the first place.
Dirty or Clogged Air Filter
A filter packed with dust restricts airflow over the evaporator coil. The coil gets too cold, ice forms on it, and when that ice melts, it melts faster than the drain pan can handle. Filters should be cleaned every two to three weeks during Kolkata’s peak humidity months, not just once a season.
Low Refrigerant Levels
Low refrigerant drops the pressure inside the coil low enough that it frosts over. Once that ice thaws, you get a sudden pool of water under the indoor unit. This isn’t a DIY fix. It needs a technician to find the leak, seal it, and recharge the system to the right level.
Improper Installation
A lot of the leakage complaints One Point Solutions handles trace back to installation, not age. If the indoor unit isn’t tilted slightly toward the drain outlet, or the drain pipe has a dip or a bend in it, water pools instead of flowing out. This shows up quickly on split ACs installed by inexperienced technicians.
Broken Condensate Pump
High-rise apartments and window ACs without gravity drainage rely on a small pump to push water out. When that pump fails, water backs up inside the unit almost immediately. It’s a small part, and it’s usually a same-day repair.
Damaged Drain Pan
Older units, especially ones running eight years or more, sometimes have a cracked or rusted drain pan. Water leaks out the moment it hits the pan rather than draining properly. At that point, replacing the pan is usually cheaper than living with the leak.
How to Fix AC Water Leakage
- Turn off the unit. Cut the leak off at the source before checking anything else.
- Check and clean the filter. Remove it, rinse it, let it dry fully before putting it back.
- Inspect the drain line for blockages. A wet/dry vacuum on the outdoor end often clears minor clogs.
- Check the unit’s tilt. It should lean slightly toward the drain side, not away from it.
- Call for a professional inspection. Refrigerant issues, pump failures, and drain pan damage need a technician with the right tools and gauges.
Kolkata homes should also ask for a drain line flush every time an AC gets serviced, not just when something starts leaking. It’s a five-minute job that prevents a much bigger one later.
When to Call a Professional
Book a service call if you notice water within a few hours of switching the unit on, if ice is visible on the indoor or outdoor coil, if the leak keeps coming back after cleaning, or if the unit is making unusual noises alongside the leak. One Point Solutions offers same-day AC repair across Kolkata for exactly these situations, along with AMC plans that include routine drain cleaning to stop leaks before they start.
Preventing Future AC Water Leakage
Clean or replace filters every two to three weeks in peak season. Schedule a professional AC service at least twice a year, once before summer and once before monsoon. Keep the outdoor unit clear of leaves and debris that can clog drainage. Don’t run the AC below 20°C for extended stretches, since that increases the risk of coil icing.
Frequently Asked Questions
Is AC water leakage dangerous?
It’s not dangerous to health in most cases, but it can damage walls, ceilings, and flooring, and standing water encourages mould growth. One Point Solutions recommends addressing any leak within 24 to 48 hours.
Can I fix AC water leakage myself?
Filter cleaning and basic drain line checks are safe for homeowners to handle. Refrigerant leaks, pump replacement, and drain pan repairs need a trained technician, since mishandling refrigerant can damage the compressor.
How much does AC water leakage repair cost in Kolkata?
Costs vary depending on the cause, from a simple filter clean to a full drain pan replacement. One Point Solutions provides a free diagnostic during the first visit before quoting any repair.
How often should I service my AC to prevent leakage?
Twice a year at minimum, ideally before the summer heat and again before the monsoon humidity peaks, is what One Point Solutions recommends for Kolkata homes.
