The Ultimate Guide to Buying an Air Conditioner: Types and Features Explained

Choosing the right air conditioner can be a daunting task, especially with so many options available. Whether you’re looking to cool a small bedroom or a large living space, understanding the various types and features of air conditioners can help you make an informed decision. This ultimate guide to buy AC, we’ll cover everything you need to know, including how to identify the best AC for your needs and the factors that make one AC better than another.

Types of Air Conditioners: Which AC to Buy?

When deciding which AC to buy, it’s essential to understand the different types available on the market. Here are the main types of air conditioners:

Window AC

Window air conditioners are a popular choice for cooling single rooms. They are designed to fit into a window frame and are relatively easy to install. These units are cost-effective and offer efficient cooling for small to medium-sized rooms. However, they can be noisy and may block the view from your window.

Split AC

Split air conditioners consist of two parts: an indoor unit and an outdoor unit. These are known for their efficient cooling and quiet operation. Split ACs are suitable for larger rooms or spaces where window AC installation is not feasible. They also offer better aesthetics as the indoor unit can be mounted on a wall.

Also Read: Split AC Vs Window AC: Which Is Best For Your Home?

Portable AC

Portable air conditioners are freestanding units that can be moved from room to room. They are easy to install and require minimal setup. Portable ACs are ideal for cooling small spaces or for situations where installing a window or split AC is not possible. However, they are less efficient and can be noisy.

Central AC

Central air conditioning systems are designed to cool entire homes or large buildings. They provide uniform cooling through a network of ducts. Central ACs are highly efficient and offer superior comfort. However, they are expensive to install and maintain, making them suitable for larger homes or commercial spaces.

Ductless Mini-Split AC

Ductless mini-split air conditioners are similar to split ACs but do not require ductwork. They consist of an outdoor unit connected to one or more indoor units. These systems are highly efficient and allow for individual temperature control in different rooms. They are ideal for homes without existing ductwork.

Factors to Consider When Choosing an AC

Selecting the best AC involves considering several factors that can impact its performance and suitability for your needs. Here are some key factors to keep in mind:

1. Room Size and Cooling Capacity

The size of the room you want to cool is one of the most critical factors in choosing an AC. The cooling capacity of an AC is measured in tonnes, which indicates the amount of heat the unit can remove from a room in an hour.

To determine how many tonnes of AC you need, you can use an AC tonnage calculator. Here’s a general guideline:

• Up to 150 sq. ft.: 1-ton AC

• 150-250 sq. ft.: 1.5-ton AC

• 250-400 sq. ft.: 2-ton AC

• Over 400 sq. ft.: Consider multiple units or a central AC

2. Energy Efficiency

Energy efficiency is crucial for reducing electricity bills and environmental impact. Look for ACs with high Energy Efficiency Ratio (EER) or Seasonal Energy Efficiency Ratio (SEER) ratings. Inverter ACs are known for their energy efficiency as they adjust the compressor speed based on cooling demand, consuming less power.

3. Noise Levels

Noise levels can significantly affect your comfort, especially if the AC is installed in a bedroom or a study. Split and inverter ACs generally operate more quietly compared to window and portable ACs. Check the decibel (dB) rating of the AC to ensure it meets your noise preferences.

4. Installation and Maintenance

Consider the installation requirements and maintenance needs of the AC. Window and portable ACs are easier to install, while split and central ACs require professional installation. Regular maintenance, such as cleaning filters and checking for refrigerant leaks, is essential for optimal performance.

Also Read: Common AC Problems and Troubleshooting Tips

5. Additional Features

Modern ACs come with various features that enhance convenience and comfort. Some of these features include:

• Wi-Fi Connectivity: Allows you to control the AC remotely using your smartphone.
• Air Purifiers: Improve indoor air quality by removing dust and allergens.
• Dehumidifiers: Reduce humidity levels in the room for added comfort.
• Sleep Mode: Adjusts the temperature automatically for a comfortable sleep environment.
• Timers: Enable you to set the AC to turn on or off at specific times.

Inverter vs. Regular AC: Which AC is Better?

When deciding which AC to buy, you’ll encounter inverter and regular (non-inverter) ACs. Understanding the differences between these two types can help you make an informed decision.

Inverter AC

Inverter ACs have a variable-speed compressor that adjusts its speed based on the cooling demand. This results in several benefits:

• Energy Efficiency: Inverter ACs consume less power, leading to lower electricity bills.
• Consistent Temperature: They maintain a more consistent room temperature by adjusting the compressor speed.
• Quieter Operation: These units operate more quietly than regular ACs.
• Longer Lifespan: The variable-speed operation reduces wear and tear on the compressor, extending its life.

Regular AC

Regular ACs, also known as non-inverter ACs, have a fixed-speed compressor that turns on and off to maintain the desired temperature. While they are generally cheaper upfront, they come with some drawbacks:

• Higher Energy Consumption: The constant on-off cycling leads to higher power usage.
• Temperature Fluctuations: Regular ACs can result in more noticeable temperature swings.
• Noisier Operation: The frequent compressor starts and stops can be noisy.

How to Choose the Best AC for You?

Identifying the best AC for your needs involves evaluating your specific requirements and comparing different models. Here’s a step-by-step guide to buy AC to help you make the right choice.

1. Determine Your Cooling Needs

Start by assessing the size of the room and calculating the required cooling capacity using an AC tonnage calculator. Consider factors like room insulation, the number of windows, and the direction the room faces.

2. Set Your Budget

Determine your budget and look for ACs within that range. While inverter ACs have higher upfront costs, they offer significant savings on electricity bills over time.

3. Compare Energy Efficiency

Look for ACs with high EER or SEER ratings. Energy-efficient models may have a higher initial cost but will save you money in the long run.

4. Consider Noise Levels

If noise is a concern, opt for split or inverter ACs, which are known for their quieter operation. Check the decibel rating to ensure it meets your preferences.

5. Check Additional Features

Identify the features that are important to you, such as Wi-Fi connectivity, air purifiers, dehumidifiers, sleep mode, and timers. Choose an AC that offers the features you need for added comfort and convenience.

6. Read Reviews and Ratings

Research online reviews and ratings from other customers to gauge the performance and reliability of the AC models you are considering. Look for feedback on cooling efficiency, energy consumption, noise levels, and durability.

7. Brand and Warranty

Choose a reputable brand with good after-sales service. Check the warranty terms and conditions, as a comprehensive warranty can save you from unexpected repair costs.

List of the top 5 ACs 

We have summed up a list of the top 5 ACs in India, along with their specifications, and features to make it easier to compare and make an informed decision. 

1. Daikin

• Model: Daikin FTKM35TV
• Technical Details and Specifications
• Type: Split AC
• Cooling Capacity: 1 Ton
• Energy Efficiency: 5 Star Rating
• Inverter Technology: Yes
• Noise Level: 19 dB (Indoor Unit)
• Additional Features: Econo mode, Coanda airflow, Power chill operation, PM 2.5 filter

Pros

• Extremely energy-efficient
• Quiet operation
• Advanced air purification
• Durable build quality

Cons

• Higher initial cost
• Professional installation required

2. LG

• Model: LG LS-Q18HNZA
• Technical Details and Specifications
• Type: Split AC
• Cooling Capacity: 1.5 Ton
• Energy Efficiency: 5 Star Rating
• Inverter Technology: Yes
• Noise Level: 31 dB (Indoor Unit)
• Additional Features: Dual Inverter Compressor, Ocean Black Fin for durability, 4-way swing, SmartThinQ (Wi-Fi)

Pros

• Highly energy-efficient
• Wi-Fi connectivity for smart control
• Corrosion-resistant
• Powerful cooling performance

Cons

• Slightly noisy compared to other inverter ACs
• More expensive than non-inverter models

3. Samsung

• Model: Samsung AR18TY3QBBU
• Technical Details and Specifications
• Type: Split AC
• Cooling Capacity: 1.5 Ton
• Energy Efficiency: 3-Star Rating
• Inverter Technology: Yes
• Noise Level: 45 dB (Indoor Unit)
• Additional Features: Triple Protector Plus, Fast Cooling, HD Filter, Good Sleep mode

Pros

• Fast cooling capability
• Reliable protection against voltage fluctuations
• Affordable for an inverter AC
• User-friendly features

Cons

• Lower energy efficiency compared to higher star-rated models
• Louder operation

4. Blue Star

• Model: Blue Star IC512DATU
• Technical Details and Specifications
• Type: Split AC
• Cooling Capacity: 1 Ton
• Energy Efficiency: 3-Star Rating
• Inverter Technology: Yes
• Noise Level: 35 dB (Indoor Unit)
• Additional Features: Precision Cooling Technology, Self-clean, Dual Rotor Inverter Compressor, Anti-corrosive Blue Fin Copper

Pros

• Efficient cooling with precision control
• Durable build with anti-corrosion features
• Self-cleaning functionality
• Affordable pricing

Cons

• Moderate energy efficiency
• May not be suitable for larger rooms

5. Voltas

• Model: Voltas 183VCZJ
• Technical Details and Specifications
• Type: Split AC
• Cooling Capacity: 1.5 Ton
• Energy Efficiency: 3-Star Rating
• Inverter Technology: Yes
• Noise Level: 40 dB (Indoor Unit)
• Additional Features: Active Dehumidifier, High Ambient Cooling, Multi-stage Filtration, Turbo Cooling

Pros

• Effective in high ambient temperatures
• Good dehumidification
• Affordable inverter AC
• Efficient cooling performance

Cons

• Moderate energy efficiency
• Slightly higher noise levels

Takeaways

These models are some of the best in their categories and are highly rated for their performance, efficiency, and features. When choosing the right AC for your needs, consider the room size, energy efficiency, noise levels, additional features, and your budget. By following this comprehensive guide and considering your specific needs, you can find the perfect AC to buy for your home. Whether you choose a window AC, split AC, portable AC, or central AC, understanding the different types and features will help you make an informed decision. For great deals on both new and used air conditioners, don’t forget to check out OLX, where you can find a variety of options to suit your budget and needs.

Frequently Asked Questions

How do I calculate the required tonnage for my room?

To calculate the required tonnage, measure your room’s square footage and use an AC tonnage calculator. Generally, a 1-ton AC is suitable for up to 150 sq. ft., 1.5-ton for 150-250 sq. ft., and 2-ton for 250-400 sq. ft.

Which AC type is better for a small room?

For small rooms, a window AC or a portable AC is a good choice. These types are cost-effective and easy to install. If you prefer a quieter operation and better aesthetics, a split AC is also an option.

What are the benefits of an inverter AC?

Inverter ACs offer better energy efficiency, consistent temperature maintenance, quieter operation, and a longer lifespan compared to regular ACs. They adjust the compressor speed based on cooling demand, which reduces power consumption.

Are there any disadvantages to using a portable AC?

Portable ACs are less efficient than window or split ACs and can be noisy. They are best suited for cooling small spaces or specific areas rather than entire rooms. Additionally, they require a window or vent for exhaust.

How can I ensure my AC is energy efficient?

To ensure energy efficiency, choose an AC with a high EER or SEER rating. Inverter ACs are typically more energy-efficient. Regular maintenance, such as cleaning filters and checking for leaks, also helps maintain efficiency.