Air Conditioner Buying Guide 2024

When the weather gets warm, thoughts turn to chilling out. If central air conditioning is not possible, room air conditioning systems could be an inexpensive and energy-efficient alternative to cool one or two rooms. If you are willing to beat the heat, you are not alone.

While preparing the air conditioner buying guide, the Best Household Product Team found that about 8 million room air conditioners were shipped for sale in 2017.

A typical household spends 13% of its annual electricity bill on cooling, based on a survey. So it is necessary to select the right unit. An air conditioner that is too small will struggle to cool an area. One that is too big cools so quickly that it does not have sufficient time to reduce enough moisture, leaving you with a cold, clammy space.

How We Test Room ACs

At Consumer Reports, we test room air conditioning systems in a special climate-controlled area. We tested three window AC sizes—large, medium, and small—and adjusted the area to the room size acceptable for each air conditioning system to create this air conditioner buying guide.

We start with a 90°F temperature and monitor how long it takes the AC to cool it by 15°F.

Additionally, gauge how well the air conditioner holds the set temperature. Because noisy air conditioning systems could be disturbing, we calculate how loud each unit is around the lowest and highest settings.

Things to Consider

Look for Energy Misers

New room air conditioning systems include superior insulating materials and clearer instructions to help seal the unit and reduce leaks. Also, before purchasing, consider an air conditioner that is energy efficient.

Note the Noise

Our noise-tested models, scoring Wonderful or Good, are so quiet you can only hear the fan. Setting air conditioning systems that score fair for noise on low can disturb light sleepers, and on high, they distract everyone.

Factor In the Window Location

Window air conditioning systems generally do a better job blowing air in one direction. That is one problem if your window is not centered on the wall. Check whether your AC must blow air to the right or left to evenly cool your home. Some have fan arms that rotate.

Install It Correctly

To get the most from your air conditioner and heater window units, they must be appropriately installed. Most units are intended for double-hung windows. If you’ve got casement windows, you really should consider purchasing a through-the-wall air conditioner.

Ensure that your window unit is level so that it drains properly. And move any heat-generating devices, such as a television or lamp, away from the unit. Choosing the right one will also reduce the cost of the air conditioner installation.

Check Filter Location

Be sure you can easily access the filter for cleaning, something you will be doing regularly to keep the unit in tip-top condition. It also helps to reduce the air conditioner’s leaking water, which is a problem that we face regularly.

Consider Intelligent Cooling

Some air conditioners have gotten smarter, allowing you to control and adjust them from your smartphone. You can also manage to connect them to other cooling units at your residence.

Watch the Warranty

Some air conditioners have longer extended warranties than others. When buying a new product, visit the manufacturer’s website and ask the retailer about the warranty.

Understanding BTUs

The cooling power of an air conditioner is measured in British Thermal Units (BTU). The number of BTUs you need depends on the size of the room you want to cool. A unit with too few BTUs will struggle to cool a large space, while one with too many will cycle on and off too quickly, not dehumidifying the air effectively and wasting energy.

  • Small rooms (up to 150 square feet): Look for units with 5,000 to 6,000 BTUs.
  • Medium rooms (up to 250 square feet): A unit with 7,000 to 8,000 BTUs is more suitable.
  • Large rooms (up to 350 square feet): Consider air conditioners with 9,500 to 12,500 BTUs.

Sizing Up Your Options

Our detailed Air Conditioner Buying Guide for 2024 emphasizes the importance of starting with the essentials when buying an air conditioner. To make an informed decision, choose the right unit size for the indoor or outdoor space you want to cool.

This step is essential for ensuring efficient cooling performance. Additionally, think about the placement of the air conditioner, whether it will be installed indoors or outdoors. The window air conditioning systems we’ve evaluated in our tests come in a range of cooling capacities. They range from 5,000 to 12,500 British thermal units (BTU), providing options for various room sizes and cooling needs.

To measure the room, multiply the length of the room by its width. But do not buy from BTU alone. We recommend that you make allowances for other considerations, such as the height of your ceiling, where the product will be inserted, and the size of your windows and doorways. Besides:

  • If the room is highly shaded, decrease capacity by 10%.
  • In the sunnier days, increase capacity by 10%.
  • If more than two people regularly occupy the room, add an additional 600 Btu for each additional person.
  • If the system is used in the kitchen, increase capacity by 4,000 BTU.

Air Conditioner Buying Guide 2018 (1)

Which model is right for you?

Small window devices under $200 are appealing, but imagine cooling a smaller room. If you want to chill in a large space, look for devices that match your square footage.

Almost all of the window devices we tested met the latest standards, which require them to be at least 10% more effective than devices without that qualification. Standout designs have quiet operation and convenient controls, and they also work in brownout environments.

air conditioner window
Air Conditioner Window System

Window Air Conditioners

Small—capacity ranges from 5,000 to 6,500 Btu. It cools approximately 100 to 300 sq ft. These products are the lightest, least expensive, and smallest, but they cannot sufficiently cool a room measuring more than 300 square feet.

Cost: $200 to $300.

Medium capacity ranges from 7,000 to 8,200 Btu. It cools approximately 250 to 400 sq ft. Prices start creeping up, and their weight and size can make them more difficult to install and remove for winter storage.

Cost: $300 to $450.

The large capacity ranges from 9,800 to 12,500 Btu. It cools between 350 and 650 sq ft. Ideal for cooling a large room, but the bulk and weight make these models awkward and very difficult to install.

Cost: $450 to $1000.

air conditioner portable
Air Conditioner Portable System

Portable Air Conditioners

In the realm of air conditioner buying guides for 2024, it’s essential to consider various options to suit your specific needs. Portable air conditioner models, designed for homes where window configurations or building regulations prevent the installation of window systems, offer a viable alternative.

These portable air conditioners, ranging from 9,000 to 15,500 BTU in our tests, present a versatile cooling solution. However, it’s crucial not to solely compare portable and window air conditioners based on their BTU measurements.

Our latest air-conditioner tests, conducted as part of the comprehensive air conditioner buying guide for 2024, have revealed some important insights. Portable air conditioners, despite manufacturers’ claims, may not perform as effectively in cooling.

Additionally, they tend to be more expensive and consume more energy compared to similarly-sized window units. One drawback is that portable units, housing all their mechanics within the room, often produce more noise than their window-mounted counterparts.

Moreover, the term “portable” can be somewhat misleading. These units typically weigh between 50 and 80 pounds, making them cumbersome and unwieldy when attempting to move them across carpets or thresholds.

It’s essential to weigh these factors carefully when considering the purchase of a portable air conditioner as part of your air conditioner buying guide for 2024.

Cost: $300 to $700.

Split Ductless Air Conditioners

In the realm of air conditioner buying guides for 2024, it’s important to consider various options, and one that stands out is the split ductless air conditioner.

This smart solution allows you to efficiently cool a small number of rooms without the need to undertake extensive construction work, such as opening up walls for ductwork installation, as is required with central air systems. It also eliminates the hassle of repeatedly installing and removing multiple window units each year.

While we haven’t conducted recent tests on split ductless air conditioners, our previous evaluations revealed their impressive cooling performance and notable reduction in indoor and outdoor noise levels compared to window air conditioners. In fact, when operating at a low setting, they were barely audible.

It’s worth noting that ductless split systems come at a higher initial cost compared to window or portable units, and professional installation is highly recommended. However, if your cooling needs are limited to just a few rooms, they can be a more cost-effective choice than central air conditioning systems.

On the other hand, if you intend to cool the majority of your home, a central air conditioner unit may prove to be the more economical option. When considering your air conditioning options in 2024, keep these factors in mind to make an informed decision.

Cost: $1,000 and up.

Smart Features to Help You Chill Out

All the systems in the air-conditioner ratings do a wonderful job of cooling. They even come with suitable features, such as electronic displays, built-in timers, and remote controls.

Some units have touchpad controls, and a few change the direction of the airflow automatically to better disperse cool air all over the room. Try to find air-conditioner features that affect efficiency and performance.

Air Conditioner Buying Guide 2018

Controls

When it comes to selecting the right air conditioner, it’s crucial to take a close look at the control options available. Contemporary models often boast advanced control interfaces, featuring user-friendly digital displays and touch-sensitive buttons that make setting and adjusting temperature, fan speed, and operating modes a breeze.

Moreover, some cutting-edge air conditioners even offer compatibility with voice control systems, allowing you to manage your AC using voice commands through popular smart assistants such as Alexa or Google Assistant. This level of control flexibility ensures a seamless and tailored cooling experience.

Directional Airflow Vents

To ensure an evenly cooled indoor environment, it’s vital to consider air conditioners equipped with adjustable directional airflow vents. These vents play a pivotal role in distributing cool air uniformly throughout the room, effectively eliminating uncomfortable hot spots.

With multiple vents that can be precisely angled to direct the airflow where it’s needed most, you can guarantee that everyone in the room enjoys optimal comfort and cooling efficiency.

Efficiency Aids

Energy efficiency is not only environmentally responsible but also financially beneficial. When searching for the perfect air conditioner, prioritize models that incorporate efficiency aids designed to reduce energy consumption.

These aids often include programmable thermostats, enabling you to establish temperature schedules that align with your daily routine.

Additionally, some air conditioners come equipped with built-in sensors capable of detecting room temperature variations and autonomously adjusting cooling settings to optimize energy usage.

Certain models even feature dedicated “eco” modes that prioritize energy savings without compromising comfort, demonstrating a commitment to sustainable and cost-effective cooling solutions.

Air Conditioner Buying Guide 2018

Dehumidifying Mode

Particularly relevant in humid climates, the dehumidifying mode is a standout feature that can significantly enhance your indoor comfort. High humidity levels can create a sticky and uncomfortable atmosphere, even if the air is adequately cooled.

Dehumidifying air conditioners improve indoor air quality and make living spaces more comfortable by removing excess moisture.

indoor unit

Fresh-Air Intake or Exhaust Setting

Air conditioners with fresh-air input or exhaust settings are essential for indoor air quality and allergy elimination. These settings let you bring in fresh outdoor air or remove stale indoor air, making your house healthier and more energizing.

Air Conditioner Buying Guide 2018

Timer

Timer functions, which let you set when your air conditioner turns on and off, are often ignored yet quite useful. This feature not only simplifies energy management but also ensures that your AC operates precisely when needed.

For example, you can program the timer to begin cooling your room just before you return home from work. This ensures that you step into a comfortable and welcoming environment without wasting unnecessary energy during your absence.

energy efficient

Remote Control

Many modern air conditioners come equipped with remote control capabilities, granting you the convenience of adjusting settings from a distance. This means you can make temperature and fan speed changes without having to leave your seat.

Advanced models include smartphone apps for easy remote control via your mobile device. This versatility gives you entire control over your cooling system wherever you are, giving you unmatched convenience and adaptability.

In your quest to find the perfect air conditioner, this Air Conditioner Buying Guide for 2024 emphasizes the importance of considering these detailed smart features when selecting your air conditioner.

These qualities might help you choose an air conditioner that meets your needs. This careful consideration will ultimately lead to a more comfortable and energy-efficient cooling experience in your home.

Top air conditioner brands

Friedrich air conditioner models

Product prices and availability are accurate as of the date/time indicated below and are subject to change. Any price and availability information displayed at the time of purchase will apply to the purchase of this product.

Frigidaire

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GE

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Haier

Product prices and availability are accurate as of the date/time indicated below and are subject to change. Any price and availability information displayed at the time of purchase will apply to the purchase of this product.

LG

Product prices and availability are accurate as of the date/time indicated below and are subject to change. Any price and availability information displayed at the time of purchase will apply to the purchase of this product.

The best Honeywell air conditioners

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Amana

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Conclusion

As we end our 2024 air conditioner buying guide, numerous critical considerations must be considered to get the perfect air conditioner. Energy efficiency, size, type, and advanced features like smart connectivity and noise reduction should be top priorities.

Remember, an energy-efficient model not only reduces your carbon footprint but also lowers your electricity bills. When selecting the size, consider both the room’s square footage and the unit’s BTU rating to ensure optimal cooling.

The decision between window, portable, split, or central units will depend on your specific needs and installation possibilities.

Lastly, embrace the innovations in smart technology for added convenience and control. By considering five key elements, you can make an informed decision that ensures comfort and efficiency for years.

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