ac repair · Air conditioner · monsoon ac repair · split AC ·Aug 07, 2025

Monsoon AC Maintenance Checklist: Keep Your AC Running Smoothly This Rainy Season

The monsoon brings relief from the scorching summer heat. But it also brings challenges for your home appliances, especially your air conditioner. High humidity, water seepage, and sudden power fluctuations can affect the performance of your AC.
If you don’t take care of your AC during this season, you risk damage like mould growth, rusting, and electrical failures. Regular AC maintenance in the monsoon can save you from costly repairs and ensure uninterrupted comfort.

In this blog, you’ll find:

A monsoon AC maintenance checklist that you can follow easily
Region-specific tips for high-rainfall areas
Information on monsoon-ready AC models and service plans
FAQs to answer all your common concerns

You can also explore our guide on Annual Maintenance Tips for Monsoon & Winter to understand seasonal care beyond the rains.

Let’s start by understanding why AC maintenance during the monsoon is so important.

Why Is Monsoon AC Maintenance Important?

Is Your AC Ready for the Rainy Season?

The rainy season increases moisture levels in the air. This extra moisture can harm your AC in multiple ways:

Rust Formation: Water exposure causes metal components to corrode.
Mould Growth: Humid conditions encourage mould inside filters and ducts.
Clogged Filters: Dust combines with moisture and blocks airflow.
Electrical Issues: Damp wiring can lead to short circuits and power failures.
Gas Leaks: Corrosion can damage pipes and result in refrigerant leakage.

According to service data, AC repair requests increase by nearly 30% during monsoon months in India. This shows the importance of preventive maintenance.

For deeper insights, check out How to Maintain Your AC and keep your cooling system healthy year-round.

Monsoon AC Maintenance Checklist

Here is your actionable checklist to prepare your split air conditioner or window AC for the rainy season. You can print this or save it for quick reference.

Clean or Replace Air Filters
Dust and moisture lead to mould and allergen build-up. Clean filters every two weeks or replace them if worn out. Learn step-by-step in our guide to Replace Air Filters.
Inspect the Outdoor Unit for Water Exposure
Ensure your outdoor unit is placed on a raised platform. Cover it with a waterproof sheet to avoid waterlogging.
Check Electrical Wiring and Insulation
Moisture can damage wires and insulation. Look for cracks or exposed areas. Get them fixed immediately.
Seal Exposed Areas
Seal gaps around your AC unit to prevent water seepage and pest entry.
Clear the Drainage Pipe
A blocked drainage pipe can cause water backflow and leakage inside your room. Flush it regularly to keep it clear.
Inspect Fins and Coils
Dusty or wet coils reduce cooling efficiency. Clean them gently with a soft brush or call a professional.
Use a Stabiliser or Surge Protector
Monsoon storms often cause power fluctuations. A Voltas AC stabilizer protects your AC from voltage spikes. For more guidance, read How to Protect Your AC During a Power Cut.
Set the Right Mode
Use the Dry Mode to reduce humidity inside the room. Avoid very low temperature settings to prevent condensation.
Schedule a Monsoon Tune-Up
Get a professional inspection for internal cleaning, gas level checks, and coil maintenance.
Test Your Remote and Thermostat
Ensure they work properly to avoid sudden failures during the season.

Pro Tip: Add a reminder on your phone for monthly checks during monsoon.

Region-Specific Maintenance Tips

What Should You Do If You Live in a High-Rainfall City?

Different regions in India face different monsoon challenges. Here’s how you can manage them:

For Coastal Areas (Mumbai, Goa, Kerala):

Salt in the air accelerates corrosion. Choose best AC models with anti-corrosive blue fin coating.
Wash the outdoor unit regularly to remove salt deposits.

For Northeastern States (Assam, Meghalaya):

High humidity means a higher risk of mould. Use the Dry Mode frequently.
Place silica gel packets near the AC to absorb moisture.

For Heavy Rainfall Regions (Konkan, Karnataka):

Ensure proper outdoor unit elevation to prevent waterlogging.
Use an outdoor AC cover made of waterproof material.

These simple steps can help extend the life of your AC in extreme monsoon conditions.

Monsoon-Ready AC Models and Plans

Modern ACs come with features that make them perfect for the rainy season. Look for:

Corrosion-Resistant Coating: Prevents rust on coils and fins.
Dehumidifier or Dry Mode: Reduces humidity inside your room.
Auto Clean Function: Keeps internal parts free from mould and bacteria.
Smart AC Technology: Allows remote control to maintain optimal settings.

Examples:

Voltas Smart ACs with Monsoon Comfort Mode
Daikin ACs with Dew Clean Technology
Blue Star ACs with Anti-Corrosive Blue Fins

Also, consider an AC AMC (Annual Maintenance Contract) or Seasonal Service Plan from trusted brands. These plans usually cover:

Deep cleaning
Gas checks
Coil inspection
Electrical safety tests

Read more on Voltas AMC Plans and why investing in one is a smart choice.

Why Choose an AC AMC During Monsoon?

Opting for an AMC is the smartest way to protect your AC during the rainy season. With an AMC, your AC gets priority service, free check-ups, discounted repairs, and preventive maintenance, all included in one plan. This ensures your AC is always monsoon-ready, helps you avoid unexpected breakdowns, and saves you money on major repairs. Most top brands like Voltas, Daikin, and Blue Star offer seasonal AMCs that cover monsoon-specific tune-ups.

CTA: Looking for a reliable service? Book your AC monsoon tune-up today for worry-free cooling.

DIY vs Professional Monsoon AC Tune-Up

Some tasks are easy for homeowners. Others need expert handling.

DIY Maintenance Tasks:

Cleaning air filters
Wiping the outdoor unit
Checking drainage pipes
Using the dry mode regularly

Tasks for Professionals:

Gas leak detection
Coil and fin cleaning
Electrical safety checks
Deep antibacterial cleaning

If you are unsure, don’t take risks. Call a technician and get a thorough tune-up.

FAQs

1. How often should I service my AC during the monsoon?
At least once during the season. If your area has heavy rains, schedule a mid-season check too.

2. Can humidity damage my air conditioner?
Yes, it causes rust, mould growth, and electrical failures if ignored.

3. What is the ‘Dry Mode’ in AC, and when should I use it?
Dry Mode removes excess humidity from the room. Use it during the monsoon for better comfort.

4. Is it safe to use AC during thunderstorms?
Avoid using AC during severe lightning storms to prevent damage from power surges. Always use a stabiliser.

5. How can I protect my outdoor unit from rain?
Use a waterproof cover and place it on an elevated platform to prevent waterlogging.

Conclusion

The monsoon season can be harsh on your air conditioner. But with regular AC maintenance and smart practices, you can enjoy cool and clean air without any trouble.

Follow this monsoon AC maintenance checklist to keep your air conditioner safe. For maximum peace of mind, opt for an Annual Maintenance Contract (AMC). It not only covers monsoon tune-ups but also provides year-round protection and priority service.

Stay dry. Stay cool. Keep your AC monsoon-ready!
CTA: Schedule your AC service or buy an AMC plan now and enjoy worry-free cooling this rainy season.