How Outside Temperature Affects Your AC and How to Protect It

How Outside Temperature Affects Your AC and How to Protect It

Learn how extreme heat impacts your AC's cooling efficiency and get practical tips to keep your home cool all summer. Get a new AC on Easy EMIs with Bajaj Finance.

Get a pre-approved loan offer of up to Rs. 5 lakh

Quick approval | Flexible tenure options | Zero approval fees

In summary

Setting your air conditioner at the right temperature improves efficiency and helps reduce unnecessary strain on the system. Keeping the temperature around 24 degrees Celsius to 26 degrees Celsius is generally recommended for comfortable cooling and better energy use.

  • High outdoor temperatures above 35 degrees Celsius can make an air conditioner work harder to maintain indoor comfort.
  • Lowering the AC temperature by every 0.6 degree Celsius can increase energy consumption by around 1–2%.
  • A very low temperature setting may increase compressor workload and affect long-term performance.
  • Regular filter cleaning every 2–4 weeks helps maintain airflow and cooling efficiency.
  • Proper servicing before summer helps identify issues early and supports a longer AC lifespan.

You can also buy a new AC on Easy EMIs at over 1.5 lakh partner stores across 4,000 cities, including Reliance Digital, Croma, and Vijay Sales. 


Understanding how outside temperature affects AC efficiency

Outside temperature directly affects how efficiently your air conditioner works, especially when temperatures rise above 35 degrees Celsius. Higher heat levels increase compressor workload and can reduce cooling efficiency. Setting the AC temperature too low can also increase energy use, with around 1–2% efficiency drop for every 0.6-degree Celsius decrease in the set temperature. Regular maintenance, proper temperature settings, and clean filters help your AC manage heat better and maintain consistent cooling performance during hot weather conditions.


If you want to replace your AC, visit any of Bajaj Finance's 1.5 lakh partner stores — like Vijay Sales, Croma, Reliance Digital, and more — across 4,000 cities, including Tier 2 cities like Jaipur, Lucknow, Kochi, Bhopal, and more in India. Choose your preferred model, then use the Bajaj Finance Insta EMI Card or Bajaj Finance Easy EMI Loan to finance it. Convert the cost into Easy EMIs that suit your monthly budget and enjoy zero down payment on select models — take it home without any upfront payment. Check your loan eligibility online in minutes so you know exactly what you can get before you step into the store. 

Why do air conditioners break down in hot weather?

Air conditioners are more likely to develop problems during hot weather because higher temperatures increase the workload on the compressor. Poor airflow and inadequate maintenance can further reduce cooling performance and increase the risk of breakdowns.

CauseWhat happensPreventive action
High outdoor temperatureMost Indian split ACs are designed to operate at outdoor temperatures of up to 46°C. Higher temperatures put extra strain on the compressor and reduce cooling efficiency.Choose an AC suitable for your local climate and avoid setting extremely low temperatures during heatwaves.
Clogged air filtersDust build-up restricts airflow and can reduce cooling performance by up to 15%.Clean the air filters every 2 to 4 weeks to maintain proper airflow.
Poor AC maintenanceWorn components and dirty outdoor units reduce efficiency and increase the chances of failure.Schedule regular servicing and keep the outdoor unit clean and unobstructed.

Regular maintenance and sensible usage habits can help your air conditioner cope better with hot weather, improving both cooling performance and long-term reliability.


Have a strict budget? Check out the range of ACs under Rs. 20,000 and best ACs under Rs. 35,000 to get the best option.

How to maintain your AC during summer?

Regular maintenance helps your air conditioner cool efficiently, lowers electricity consumption, and reduces the chances of breakdowns during peak summer temperatures. Follow these simple maintenance tips:


  • Clean the air filters regularly: Wash or clean filters every 2–4 weeks to maintain proper airflow and cooling performance.
  • Keep the outdoor unit clear: Remove dust, leaves, and debris around the condenser unit to improve heat dissipation.
  • Set a moderate temperature: Keep the AC between 24°C and 26°C for efficient cooling and lower power consumption.
  • Check doors and windows: Close gaps and keep doors and windows shut to prevent cool air from escaping.
  • Schedule professional servicing: Get the AC serviced before or during summer to inspect refrigerant levels and internal components.
  • Avoid continuous overuse: Give the AC short breaks when possible to reduce compressor strain during extreme heat.
  • Use fans along with the AC: Ceiling fans help circulate cool air more evenly and reduce the load on the air conditioner.

What are my financing options to buy an AC?

Bajaj Finance offers two ways to convert your AC purchase into affordable monthly payments. Both options are available at over 1.5 lakh partner stores across 4,000 in India.

OptionCard loan limitKey features
Insta EMI CardUp to Rs. 3 lakhZero annual fee; 3 to 60 months tenure; works at 1.5 lakh partner outlets; 1 million eligible products
Easy EMI LoanUp to Rs. 5 lakhQuick approval; 3 to 60 months tenure; basic KYC documents needed; suited to higher-value purchases

How to choose?

Both options require you to be physically present at a partner store. The Insta EMI Card suits shoppers who want to purchase across multiple categories over time, while the Easy EMI Loan suits buyers financing a higher-value AC purchase in a single transaction.


Also explore the latest offers. You may find a great deal on a model that matches your needs. 

How do I buy an AC on EMI at a Bajaj Finance partner store?

Buying a new AC is simple and affordable with in-store financing options. The entire process usually takes just 10 to 15 minutes. Follow these steps:

  1. Browse models on Bajaj Mall: Explore the range of ACs available on Bajaj Mall. Compare star ratings, cooling capacity, and features before heading to the store.
  2. Find a partner store near you: Use the store locator to find a nearby partner outlet, such as Croma, Vijay Sales, or other authorised retailers.
  3. Check the AC in person: Visit the store and explore available models. Check the star rating, tonnage, inverter technology, and self-cleaning features to find the one that suits your needs.
  4. Choose a suitable EMI option: At checkout, ask the store executive about the Insta EMI Card or Easy EMI Loan. Confirm the available tenure options and whether your chosen model comes with a zero down payment offer.
  5. Complete payment and schedule installation: Once approved, your purchase is processed immediately, and you can schedule installation at your convenience.

You can also check your loan eligibility online in advance by entering your mobile number and OTP, which helps you plan your purchase better.

Save more with Smart Savings Calculator

Combine the best offers, EMI plans, and exclusive vouchers with Smart Savings Calculator to save big.

20k+ people used their offers at the store

Why use the Smart Savings Calculator

Bajaj Finance’s Smart Savings Calculator helps you unlock maximum savings every time you shop at partner stores. It brings together all available brand, dealer, and scheme offers—so you can see your total savings instantly and shop smarter with Easy EMIs.


1. Dealer offers - Grab exclusive in-store deals at over 1.5 lakh partner stores across India. Enjoy local discounts and special prices you will not find online.

2. Brand offers - Access limited-time discounts from top brands across electronics, appliances, and more. Discover brand-specific savings selected just for you.

3. Bajaj offers - Unlock exclusive Bajaj Finance deals on popular products—available only to our customers. More rewards, more value.

4. Scheme offers - Take advantage of time-sensitive offers on select EMI schemes. Get extra benefits after paying just 3 EMIs—visible during EMI selection at checkout.


Calculate your extra savings today! 


FAQs

General

Impact of the temperature

EMI details

How does outside temperature affect an air conditioner?

Outside temperature directly affects how efficiently an air conditioner works. When temperatures rise above 35 degree Celsius, the AC compressor needs to work harder to maintain cooling, which can increase energy consumption. High outdoor heat can also reduce cooling efficiency and increase the time needed to cool a room. Maintaining the right temperature setting, cleaning filters regularly, and scheduling servicing can help improve AC performance during hot weather.

High outdoor humidity can affect how well your AC works by increasing the cooling load and making the system remove more moisture from indoor air. This can reduce cooling efficiency and increase energy use, especially during humid weather. An air conditioner performs better when filters are clean, drainage is clear, and the unit is serviced regularly. Maintaining suitable indoor humidity levels helps improve comfort and supports efficient AC operation.

Heavy rain or direct water spray can damage the electrical components of the outdoor unit. However, light rain shouldn't cause any problems. It's best to avoid positioning the unit where it receives direct water flow.

Most ACs can cool your home 15-20 degrees Fahrenheit (8-11 degrees Celsius) below the outside temperature. However, this depends on factors like humidity, system size, and insulation levels in your home.

The worst weather conditions for an air conditioner are extreme heat, high humidity, and dusty environments. Temperatures above 35 degree Celsius increase compressor workload, while high humidity makes the AC remove more moisture and consume more energy. Dust and pollution can block airflow and reduce efficiency. Regular servicing, filter cleaning every 2–4 weeks, and keeping the outdoor unit clear can help your air conditioner perform better in challenging weather conditions.

Extreme heat does not always permanently damage an AC compressor, but prolonged exposure to high temperatures can increase stress and reduce its lifespan. When outdoor temperatures rise above 35 degree Celsius, the compressor may work harder to maintain cooling. Poor maintenance, blocked airflow, and low refrigerant levels can increase the risk of failure. Regular servicing, clean filters, and proper AC usage help protect the compressor during hot weather.

Most air conditioners can operate effectively within a specific temperature range based on their design and outdoor conditions. Many Indian split ACs are rated to handle outdoor temperatures up to 46 degree Celsius. For comfortable indoor cooling and better efficiency, it is recommended to maintain the AC setting between 24 degree Celsius and 26 degree Celsius. Extremely low settings increase compressor workload, while very high outdoor temperatures can reduce cooling performance.

Yes, you can easily bring home your preferred AC using Bajaj Finance’s Easy EMI options. Whether you already have the Insta EMI card or are new to it, here is how to begin:


If you have the Bajaj Finance Insta EMI card:

  • Explore products on Bajaj Mall: Choose from a wide range of the latest and most popular models.
  • Visit a partner store: Check out the product in person at any of Bajaj Finance’s 1.5 lakh partner stores across 4,000 cities in India.
  • Use your Insta EMI card at checkout: Convert the cost into Easy EMIs that fit your monthly budget.
  • Zero down payment on select models: Take your chosen product home without paying anything upfront.


If you do not have an Insta EMI card:

Check your Insta EMI Card eligibility online using your mobile number and OTP. If you are eligible, apply instantly and enjoy a smarter, more affordable way to buy your favourite product on Easy EMIs.

Show More Show Less

Disclaimer

While care is taken to update the information, products, and services included in or available on our website and related platforms/websites, there may be inadvertent inaccuracies or typographical errors or delays in updating the information. The material contained in this site, and on associated web pages, is for reference and general information purpose and the details mentioned in the respective product/service document shall prevail in case of any inconsistency. Subscribers and users should seek professional advice before acting on the basis of the information contained herein. Please take an informed decision with respect to any product or service after going through the relevant product/service document and applicable terms and conditions. In case any inconsistencies observed, please click on reach us.

*Terms and conditions apply