When the summer heat comes around, there’s nothing more refreshing than walking into a cool, air-conditioned room. But if you’re in the market for a new air conditioner, the options can be overwhelming. From window units to portable options to central air conditioning systems, there are a lot of factors to take into consideration. With this guide, we’ll walk you through everything you need to know before making a purchase, so you can stay cool all summer long.

1. Determine the Size of Your Air Conditioner: Tips for Choosing the Right BTU Capacity

Choosing the right air conditioner size can be confusing, but it is critical to ensure the machine can cool your space efficiently and effectively. One critical factor to consider is the BTU capacity, which is a measurement of the cooling power of air conditioners. To determine the right BTU capacity for your space, you’ll need first to measure your room’s square footage, then factor in several other elements.

1. Room Size

The size of the room where you plan to install an air conditioner is perhaps the most crucial consideration when selecting a machine with the right BTU capacity. As a general rule of thumb, you should have 20 BTUs per square foot of living space. For instance, if your room measures 150 square feet, you should look for an air conditioner that produces around 3,000 BTUs.

2. Room Exposures

The amount of heat generated or absorbed by your room will also affect the sizing of the air conditioner. A room containing several windows or exposed to the sun for more than one hour each day will require a more powerful air conditioner than a space that does not have these features. For each of these factors, add 1,000 BTUs to your air conditioner’s capacity. If you have two or more of these features, add 2,000 BTUs.

3. Room Use

Another essential factor to consider in determining the size of your air conditioner is the room’s frequency of use. If you expect to occupy the room frequently or if the room has several occupants, you may need an air conditioner with a higher BTU rating. On the other hand, if the room isn’t frequently in use, choosing a smaller BTU output may be sufficient.

By using these tips, you can find the perfect size AC to keep your space comfortable, cool, and energy-efficient.

2. Top Features to Look for when Buying an Air Conditioner

When shopping for an air conditioner, there are several key features to consider to make sure you get the best unit for your needs. Here are the :

1. Cooling Capacity

When choosing an air conditioner, it’s important to think about the size of the room or space you need to cool. Units with a higher BTU (British Thermal Units) rating will cool larger spaces more efficiently. As a general rule, a unit with around 5,000 BTUs will cool a room up to 150 square feet, while a unit with 12,000 BTUs will cool a room up to 550 square feet.

2. Energy Efficiency

Air conditioners that have higher SEER (Seasonal Energy Efficiency Ratio) ratings will use less energy than those with lower ratings. Look for units with a SEER rating of 14 or higher for maximum energy efficiency.

3. Noise Level

Some air conditioners can be noisy and disruptive, particularly if you’re trying to sleep or work in the same room. Look for units with a low decibel level (dB) to minimize the amount of noise generated during operation.

4. Remote Control

A remote control can make it easy to adjust your air conditioner’s settings from across the room, without having to get up and manually adjust the controls.

5. Air Filter

A good air filter is essential to keeping your air conditioner running efficiently and maintaining good air quality in your home. Look for units with washable or replaceable filters for easy maintenance.

6. Smart Features

Some newer air conditioners feature smart home compatibility, allowing you to control your unit with your phone or voice commands. Other smart features might include temperature sensors, sleep modes, and automatic shut-off to conserve energy.

By considering these key features, you can find an air conditioner that delivers the right level of cooling power, energy efficiency, and ease of use for your home and lifestyle.

3. The Pros and Cons of Different Types of Air Conditioners: Window, Portable, Central

How to Buy an Air Conditioner: A Comprehensive Guide

When it comes to buying an air conditioner, you have three main options to choose from: window, portable, and central air conditioning systems. Each type has its own set of advantages and disadvantages that you should consider before making your purchase decision.

Window Air Conditioners
Window air conditioners are the most common type of air conditioner, often mounted on a window sill or wall. They are typically less expensive than portable and central air conditioners, making them an attractive option for those on a budget. However, they are also the least powerful option and are only suitable for cooling single rooms rather than entire homes. They can also be a bit noisy and block the view from the window.

Portable Air Conditioners
Portable air conditioners are free-standing units that you can move from room to room as needed. They’re an excellent choice for renters who can’t install window units or homeowners who don’t want to make permanent modifications to their home. They are also typically more powerful than window units and can cool larger spaces than a window AC. However, they are often more expensive than window units, and they can be heavy and difficult to move around. Additionally, they require an exhaust hose to vent hot air out of the room, which can be a bit awkward to deal with.

Central Air Conditioners
Central air conditioning systems use ducts to distribute cool air throughout your entire home. They’re the most powerful and efficient cooling option, capable of keeping your entire home cool and comfortable. However, they are also the most expensive option and require professional installation, which can be time-consuming and pricey. Additionally, central air systems require regular maintenance to keep them running effectively.

Ultimately, the type of air conditioner you choose will depend on your specific needs and budget. Consider factors like the size of your home, the number of rooms you want to cool, and your cooling needs to determine which type of air conditioner is best for you.

4. Comparison of Energy Efficiency Ratings for Air Conditioners: Choosing the Most Energy Efficient Option

Air conditioners can consume a lot of energy, which can lead to a high energy bill if the AC is not energy-efficient. For this reason, it’s important to look for an air conditioner with high energy efficiency ratings. Comparing the ratings of different units can help you choose the most energy-efficient option and save you money in the long run.

Types of Energy Efficiency Ratings

When comparing air conditioners, it’s important to look at two types of energy efficiency ratings – Seasonal Energy Efficiency Ratio (SEER) and Energy Efficiency Ratio (EER). SEER rating measures the cooling output of the air conditioner during the entire cooling season divided by the total energy consumed by the AC unit during that time. EER rating, on the other hand, measures the cooling output of the AC unit divided by the total wattage consumed by the unit.

Energy Star Certification

One of the simplest ways to ensure you’re choosing an energy-efficient air conditioner is to look for the Energy Star certification label. Products that carry this certification are tested and verified to meet strict energy efficiency guidelines by the US Environmental Protection Agency.

Benefits of Energy Efficient Units

There are many benefits to choosing an energy-efficient air conditioner. Not only will it save you money on your energy bills, but it’ll also reduce your carbon footprint. Furthermore, since these units use less energy, they also produce less heat, which can help save money on cooling your home.

When comparing air conditioners, make sure to consider the SEER and EER ratings along with the Energy Star certification label in order to choose the most energy-efficient option. Remember, an energy-efficient AC unit can save you money in the long run while also helping to protect the environment.

5. Top Brands for Air Conditioners: Reviews and Best-Selling Models

Choosing the right air conditioner for your home can be a daunting task, especially when it comes to selecting the right brand and model. With so many options available on the market, it can be challenging to determine which air conditioning brands are the best. In this section, we’ll review some of the most popular air conditioner brands and the best-selling models.

1. Daikin

Daikin is one of the world’s largest HVAC manufacturers with a strong reputation for producing high-quality air conditioners. The company is known for its innovative designs and energy-efficient systems. One of the popular models in their range is the Daikin 1.5-ton split AC, which comes equipped with features such as self-cleaning filters and automatic humidity control.

2. LG

LG is a leading brand in the air conditioning industry, and its range of products is well-known for its durability and superior performance. The LG 1.5-ton split AC is one of the best-selling models and is highly popular due to its energy efficiency and silent operation. It also comes with features such as anti-bacterial filters and dehumidifiers that make it an excellent choice for those with allergies or respiratory issues.

3. Carrier

Carrier is another popular brand in the air conditioning industry that is known for its robust and reliable systems. The Carrier 1.5-ton split AC is one of the best-selling models and is highly recommended for those seeking a high-performance air conditioning system for their home or office. It comes with advanced features such as sleep mode, auto-restart function, and air purification filters, making it an excellent choice for those who value a healthy living environment.

Choosing the right air conditioning brand and model is critical to ensure you get the best performance and efficiency from your system. While these are just a few of the top brands and best-selling models, there are many other options available in the market that may suit your specific needs and budget. Be sure to research different brands and models thoroughly and seek out professional advice before making your final decision.

6. Buying Guide: Where to Buy an Air Conditioner and What to Expect During Installation

When it comes to buying an air conditioner, there are several options available. You can purchase it from a local retailer, an online store, or even directly from the manufacturer. Each option has its own set of advantages and disadvantages.

Local Retailers

One of the most common places to buy an air conditioner is a local retailer. These stores usually offer a wide range of air conditioner models and sizes for you to choose from. You can also see the product in person and get advice from knowledgeable sales staff. Additionally, many retailers offer installation services, so you can get everything done in one place.

Online Stores

Online stores like Amazon, Home Depot, and Best Buy are becoming increasingly popular for buying air conditioners. The convenience of shopping from home and having it delivered to your doorstep makes it an attractive option. However, you won’t be able to see the product in person and may not be able to get installation services from the store.

Direct from Manufacturers

Buying directly from the manufacturer is another option. This gives you the advantage of getting the product straight from the source, which can often lead to lower costs. However, you may have limited product options and no installation services.

Once you’ve made your purchase, it’s time to think about installation. Most retailers and manufacturers offer installation services. It’s important to research the installation process beforehand so you know what to expect. It typically involves a technician coming to your home to install the system and ensure it’s working properly. Installation times can vary, so make sure to ask the retailer or manufacturer for an estimated timeline.

Overall, there are several options for buying an air conditioner and getting it installed. It’s important to consider factors like product availability, cost, and installation services before making your final decision.

7. Maintenance Tips: How to Keep Your Air Conditioner Running Efficiently and Increase its Lifespan

To keep your air conditioner running efficiently and prolong its lifespan, regular maintenance is necessary. Proper maintenance can help prevent breakdowns and costly repairs, while also keeping your home cool and comfortable.

Change or Clean Air Filters Regularly

One important maintenance task is to change or clean your air filters regularly. Dirty filters can restrict airflow, reducing the efficiency of your air conditioner. Depending on the type of filters and usage, filters should be replaced or cleaned every 1 to 3 months. You can check your user manual to find out the recommended frequency of filter changes.

Clean the Condenser Unit and Coils

Another important maintenance task is to clean the condenser unit and coils. Over time, dirt and debris can accumulate on the condenser unit and coils, reducing their efficiency and causing the system to work harder than it needs to. Use a soft brush or vacuum to gently clean the condenser unit and coils. You can also hire a professional HVAC technician for this task.

Schedule Professional Maintenance

Lastly, it is always a good idea to schedule regular professional maintenance every year. A trained HVAC technician can inspect and clean the entire system to ensure that it is running efficiently and safely. They can also identify potential issues before they turn into major problems.

By following these maintenance tips, you can keep your air conditioner running efficiently and prolong its lifespan. Regular maintenance can help you save money on energy bills and avoid costly repairs.

People Also Ask

1. What Size Air Conditioner Do I Need?

To determine the size of air conditioner you need, calculate the square footage of the space you want to cool and then use an air conditioner sizing chart. Make sure to also consider factors such as the height of the ceiling and the amount of natural shade in the room.

2. What Type of Air Conditioner Should I Buy?

The type of air conditioner you should buy depends on factors such as the size of the space you want to cool, your budget, and your personal preferences. Some common types of air conditioners include window units, portable units, split systems, and central air conditioning.

3. What Features Should I Consider When Buying an Air Conditioner?

Features to consider when buying an air conditioner include energy efficiency, noise level, ease of installation and maintenance, and additional features such as remote control and programmable settings.

4. Where Should I Buy an Air Conditioner?

You can buy an air conditioner from a variety of retailers, including home improvement stores, electronics stores, and online retailers. Consider factors such as price, selection, and warranty when choosing where to buy your air conditioner.

5. How Much Should I Expect to Spend on an Air Conditioner?

The cost of an air conditioner can vary widely depending on factors such as the type and size of the unit, brand, and additional features. Expect to spend anywhere from a few hundred to a few thousand dollars for an air conditioning unit.


Buying an air conditioner can be a big investment, but knowing what to look for can help you make an informed decision. Consider factors such as the size of the space you want to cool, the type of unit that will work best for your needs, and the features you value most. By shopping around and comparing prices, you can find an air conditioner that works well for you and your budget.