8 Types of Air Conditioners, How And When to Choose Them

Are you considering buying an air conditioner but feeling overwhelmed by all the choices? Picking the correct type of air conditioner can significantly affect your comfort and energy bills.

As air conditioners come in different types, shapes, and sizes, each caters to specific needs and preferences. With various types available in the market, choosing the right air conditioner per your requirements can be daunting.

This blog guide will look at eight different types of air conditioning units. We’ll discuss the pros and cons of each type and provide tips on how and when to choose them, helping you make an informed decision.

1. Central Air Conditioner

A central air conditioning system is the most extensive and expensive air conditioner. These systems are designed to cool entire homes and businesses efficiently. They are well-known for their ability to provide consistent cooling throughout the whole house.

How They Work

Central AC systems have two main parts: the condensing unit and the evaporative unit. These parts are connected by tubes that carry refrigerant, a cooling substance.

The condensing unit is outside the house and contains a compressor, coils, and a fan. It compresses the refrigerant and releases heat outside.

The evaporative unit is found inside the furnace. It has a coil and an expansion valve. When warm air from inside the house passes over the coil, it cools down, and the refrigerant absorbs the heat. This cooled air is then sent through the ducts to cool the home.

Pros and Cons

The following are vital pros and cons.

Pros:

• Efficient Cooling: Central AC units cool large areas evenly.
• Comfort: They keep the entire house relaxed and comfortable.
• Quiet Operation: The noisy components are located outside, resulting in less noise indoors.

Cons:

• High Cost: They can be expensive to purchase and install.
• Needs Ducts: You need existing ducts in your house, or you’ll have to install them, which can be costly.
• Regular Maintenance: They require regular maintenance to function effectively.

When to Choose Them

You should consider a central air conditioner if:

• Whole-House Cooling: You want to cool your entire house, not just one room.
• Consistent Cooling: You desire reliable cooling in every part of your home.
• Already Have Ducts: Your home already has ducts for heating, making it easier to install central.

Application

Central air conditioners are commonly used in residential houses, office buildings, and larger commercial spaces where consistent and even cooling throughout the area is desired.

2. Window Air Conditioner

A window air conditioner, also known as a unitary air conditioning system, is a self-contained unit installed in a window or, less commonly, through a hole in an external wall. It is considered the best option for cooling a single room in a small home.

How They Work

A window air conditioner has all its components in one compact unit. It releases heat through condenser coils located on the outdoor side of the unit while blowing cooled air into the room on the indoor side, where the evaporator coils are found.

As warm air passes over the evaporator coils, moisture from the air collects and drips into a tray inside the unit. The unit is tilted slightly toward the outside to ensure proper drainage of this water.

Pros and Cons

Following are the main pros and cons of window air conditioners

Pros:

• Affordable: They are cheaper to buy and install than other AC unit types.
• Localized Cooling: They effectively cool one room without cooling the entire house.
• Easy Installation: You can install them in a window or through a wall.

Cons:

• Limited Area: They could be better for large spaces.
• Noise: They can be noisy since all the components are inside the room.
• Aesthetic Impact: Installing them can block views and reduce natural light from windows.

When to Choose Them

You should consider a window air conditioner when:

• Cooling a Single Room: You want just one room or apartment.
• Saving Money: You need an affordable cooling option with lower upfront costs.
• Limited Space: Your space is small, and you don’t have room for a larger AC unit or ductwork.

Application

A window air conditioner is often used in apartments, small offices, or individual rooms where a permanent installation is practical and effective cooling is required without the high cost of a central air conditioning system.

3. Portable Air Conditioner

A portable air conditioner is a modern air conditioning system that allows you to move around quickly. It’s a standalone unit that sits on the floor inside a room. Unlike regular window air conditioners, portable ones use a hose to vent hot air through a window or wall.

Portable AC units are economical and typically used for rooms under 500 square feet. Many people use them for temporary cooling in spaces where it isn’t practical to install a window-mounted unit.

How They Work

Portable AC units work by having coils inside their box that cool the air (evaporator coils) and release heat (condenser coils). They are noisier than other air conditioners because all the components are inside the room. Additionally, these units collect water from the air, which collects in a tank that you need to empty periodically.

Pros and Cons

Pros:

• Portability: Easy to move from one room to another.
• Easy Setup: No need for permanent installation; just set up the vent.
• Versatile: Can be used in spaces where window units can’t be installed.

Cons:

• Noisier: They can be louder because all the components are inside.
• Limited Cooling: Best suited for smaller rooms under 500 square feet.
• Maintenance: You need to empty the water tank regularly.

When to Choose Them

You might want a portable air conditioner if:

• You need to cool different rooms at different times.
• Your home can’t have a window unit.
• Your room is a little small (under 500 square feet).

Application

Portable AC units are suitable for homes where installing ductwork is impractical or too expensive and for specific areas like room additions, apartments, or rooms that require independent temperature control.

4. Ductless Mini Split Air Conditioner

A ductless mini-split air conditioner is an innovative cooling system that operates without traditional ductwork. It consists of two main components: an outdoor condensing unit and one or more indoor air-handling units.

This split system divides the air conditioning system into two parts. The condensing unit is placed on the building’s exterior and includes the compressor, condenser, and condenser fan. The evaporative unit is indoors and responsible for cooling and distributing the air. This unit is typically a rectangular box mounted high on an interior wall and contains a circulation fan, an expansion valve, and an evaporator coil.

How They Work

Here’s how a ductless mini-split air conditioner works:

• Outdoor Unit: The outdoor unit contains the compressor, condenser, and fan.
• Indoor Units: Inside, there are units mounted high on walls that include a fan, valve, and coil.
• Refrigerant Tubes: Tubes carry refrigerant between the indoor and outdoor units.
• Water Drainage: Water from the indoor coils is expelled through a separate drainage tube.

Pros and Cons

Following are vital pros and cons of ductless mini-split air conditioners.

Pros:

• Zoned Cooling: Each indoor unit can be controlled separately for customized comfort.
• Energy Efficiency: No ducts mean less energy loss compared to ducted systems.
• Quiet Operation: Outdoor condenser noise is minimized, providing quieter indoor environments.

Cons:

• Upfront Cost: Initial installation costs can be higher than those of traditional systems.
• Professional Installation: Professional expertise is required to set up and place units properly.

When to Choose Them

Consider a ductless mini-split air conditioner when:

• You want to cool specific zones or rooms independently.
• Your home lacks ductwork for a central HVAC system.
• You need to keep noise levels from outdoor units low.

Application

Ductless mini-split air conditioners are used when mobility is needed, such as in rented apartments, temporary spaces, or for cooling specific rooms during hot weather without requiring permanent installation.

5. Floor-Mounted Air Conditioner

Floor-mounted air conditioners are installed closer to the floor instead of high on a wall. They work by pulling warm air from the room, cooling it, and circulating the cooler air back into the space.

These systems consist of both indoor and outdoor units. The indoor unit cools the air, while the outdoor unit releases the heat absorbed from inside.

How They Work

Floor-mounted AC works like other air conditioning systems. They use special coolants to absorb heat from the air inside and move it outside. The indoor unit has a coil and fan that cools the air, while the outdoor unit has a compressor and condenser that release the heat outside.

Pros and Cons

Following are vital pros and cons of floor-mounted Air Conditioners

Pros:

• Efficient Cooling: They cool rooms effectively, especially where wall-mounted or window units might not fit.
• Space-Saving: Great for rooms with limited wall space or specific designs.
• Quiet Operation: Many models operate quietly, enhancing room comfort.

Cons:

• Installation: They require professional installation, which involves considerations for drainage, electricity, and unit placement.
• Cost: Higher purchase and installation costs compared to portable or window units.
• Placement Challenges: It may need to be easier to install in rooms with furniture or specific cooling needs.

When to Choose Them

You might choose floor-mounted air conditioners in these situations:

• Low Wall Space: When wall units could block windows or doors.
• Renovations: For older buildings or rooms without ducts.
• Aesthetic Considerations: When maintaining a room’s appearance is essential.
• Specific Cooling Needs: For cooling certain parts of a room or particular areas.

Application

Floor-mounted air conditioners are versatile and suitable for various settings, including:

• Homes: Ideal for bedrooms and living rooms.
• Businesses: Great for offices and retail stores.
• Specialized Areas: Perfect for server rooms where cooling is essential for equipment performance.

They deliver effective climate control in different environments, ensuring comfort and functionality where needed.

6. Smart Air Conditioner

An innovative air conditioner is a highly efficient cooling system you can control with a remote. It saves you money over time because, once it reaches your preferred temperature, it runs more efficiently and uses less energy than traditional AC units, helping to lower your electricity bill.

These air conditioners connect to Wi-Fi and have an app letting you adjust settings and check their status even when you’re not home. Advanced features like energy monitoring, geofencing, and service alerts help you manage energy use effectively.

How They Work

Smart air conditioners can connect to your home Wi-Fi and be controlled using a smartphone mobile app, or voice commands with assistants like Alexa or Google Assistant. They have sensors that help adjust the settings based on the room’s conditions. You can schedule when they turn on and off, check how much energy they are using, and even connect them with other smart devices in your home for more accessible and efficient use.

Pros and Cons

Following are the leading vital Pros and Cons of Smart Air Conditioners

Pros

• Energy Efficiency: Smart ACs can save energy by adjusting their use based on whether people are at home or outside conditions, which may lower electricity bills.
• Convenience: You can control and set schedules remotely, making them accessible and flexible.
• Integration: They can work with other smart home devices, allowing for automation and improved comfort.

Cons

• Cost: They can be more expensive than regular AC units.
• Dependence on Connectivity: A good Wi-Fi and internet connection is needed for all features to work correctly.
• Complexity: Setting them up and troubleshooting can require some technical skills.

When to Choose Them

Choose a Smart AC If:

• You Value Convenience: You want to control your AC from anywhere using your smartphone.
• Energy Efficiency is Important: You’re looking to save on your utility bills by optimizing energy use.
• Integration with Smart Devices: You’d like your AC to work seamlessly with other smart devices in your home.
• Advanced Scheduling is Desired: You prefer features that allow for scheduling and automation to meet your cooling needs.

Application

Smart air conditioners are great for various places:

• Homes: They allow you to control the temperature from anywhere, helping you save energy and money.
• Offices and Stores: They efficiently manage cooling, ensuring comfort while cutting costs.
• Rental Properties: Landlords can monitor and adjust settings remotely to manage energy use effectively.
• Hotels: Smart AC units provide guests with personalized comfort while saving energy.

7. Duel Fuel Air Conditioner

The Dual Fuel Air Conditioner is perfect for homes in rural areas or those with solar power. Also known as a dual-fuel HVAC system, it uses two fuel types to heat and cool a house. One standard setup is an electric heat pump paired with a gas or oil furnace.

The heat pump acts like a regular air conditioner in the summer by removing hot air from the house, while the furnace helps circulate more relaxed air. During colder months, the heat pump provides most of the heating. When the temperature drops significantly, the stove offers extra warmth.

How They Work

Dual-fuel air conditioners use a heat pump for cooling and heating when the weather is mild. When temperatures drop below a certain level, usually around freezing, the system switches to the gas furnace mode for efficient heating. This hybrid operation helps provide the best comfort while saving money based on the current weather conditions.

Pros and Cons

Pros and Cons of Dual Fuel Air Conditioners

Pros:

• Energy Efficiency: Dual fuel systems can switch between electric and gas heating modes, using the most cost-effective energy source.
• Versatility: They provide both cooling and heating capabilities in one unit.
• Savings: You can save money on energy bills, especially in areas with changing temperatures.

Cons:

• Initial Cost: They usually cost more upfront compared to traditional HVAC systems.
• Complexity: Installation and maintenance may require professional help.
• Dependence on Fuel Prices: The system’s efficiency can depend on your area’s fluctuating electricity and gas costs.

When to Choose Them

Choose a Dual Fuel Air Conditioner If:

• You want both heating and cooling from one system.
• Energy efficiency and saving money on bills are essential to you.
• You live in an area with extreme temperature changes throughout the year.
• You prefer a system that automatically adjusts to outdoor conditions.

Application

Dual Fuel Air Conditioners: Versatile Comfort All Year Round

Dual-fuel air conditioners can be used in various settings. They are excellent for homes, keeping indoor temperatures comfortable throughout the year. These systems provide flexible climate control tailored to different needs in offices, stores, and restaurants.

These systems are particularly beneficial in cold regions, as the gas furnace mode guarantees reliable heating during freezing weather. This adaptability makes them ideal for maintaining comfort and saving energy year-round.

8. Evaporative Air Conditioner

Evaporative air conditioners, often evaporative or swamp coolers, are excellent for cooling in warm, dry areas. They operate by cooling the air through the process of water evaporation. You can choose from portable models or even create a miniature DIY version. These systems provide an energy-efficient way to stay cool while adding moisture to the air, making them ideal for arid climates.

How They Work

Evaporative coolers function by drawing in warm air through water-saturated pads. As the air moves through these pads, the water evaporates, cooling the air. This cooled air is circulated into the room, while the warm air is expelled through open windows or vents. This method lowers the temperature and adds humidity to the air, making evaporative coolers particularly effective in dry climates.

Pros and Cons

 Following are the primary vital Pros and Cons of Evaporative Coolers

Pros:

• Low Operating Costs: Evaporative coolers are typically cheaper because they consume less energy.
• Adds Humidity: They are perfect for dry climates since they add moisture to the air, improving comfort.
• Environmentally Friendly: These coolers rely on natural evaporation and do not release harmful greenhouse gases.

Cons:

• Initial Cost: The upfront cost may be higher than that of traditional HVAC systems.
• Maintenance: Regular cleaning and maintenance of the water pads are necessary to prevent mold and bacteria growth.
• Limited Cooling: Evaporative coolers might not cool as effectively as traditional air conditioners, especially in humid conditions.

When to Choose Them

Choose an Evaporative Air Conditioner If:

• You Live in a Dry Climate: These coolers work best in areas with low humidity.
• Energy Efficiency Matters: If lower operating costs are your priority, evaporative coolers are a great choice.
• You Want to Add Humidity: They are ideal if you prefer a cooling method that increases indoor humidity.
• Environmental Friendliness is Important: If you’re looking for an eco-friendly cooling solution, evaporative air conditioners are a good fit.

Application

Evaporative air conditioners are excellent for various settings:

• Homes: They work well in single-family houses and apartments in dry areas, providing adequate cooling.
• Businesses: Offices, warehouses, and workshops can benefit from reduced cooling costs with these units.
• Outdoor Spaces: Perfect for patios and garages, they help create a more comfortable environment during hot, stuffy days.
• Greenhouses: These coolers maintain optimal temperature and humidity levels, keeping plants

How to Choose An Air Conditioner

The size and type of space you’re looking to cool will be one of the most important factors when determining which home air conditioner is right for you. Find your space’s ideal air conditioner size with our AC Tonnage Calculator.

For example, a compact or window unit will probably get the job done if you have to cool one room. Moreover, if you’re a leaseholder and can’t introduce anything long-lasting, you likewise could have to go with a versatile or window unit.

To effectively cool a whole home, focal air is ideal. Consider the unit’s cooling capacity based on the square footage of your home. In addition, if you live in a scorching region, you may need a more powerful unit to handle extended cooling periods during hot temperatures vs. living in more excellent areas where a window unit or mini-split may suffice.

Whether you own your home or not, cost will likely be a factor. For example, you might be better off with a cheaper ductless system instead of installing an entire central air conditioning system. Look at each air conditioner’s energy efficiency rating to decide which is better based on the initial cost and monthly running expenses.

Essential Factors When Selecting the Best Air Conditioner Type for Your Home?

When selecting the best type of air conditioner for your home, consider these critical factors:

1. Budget

Budget is a crucial consideration when choosing an air conditioner. Here’s what to keep in mind:

• Upfront Cost: Different types of air conditioners vary in cost. Central air conditioning systems and ductless mini-splits tend to be more expensive—for example, a Central AC ranges from AED 10,000 to AED 25,000.
• Installation Costs: Factor in installation expenses, especially for systems requiring ductwork or professional installation. The average installation cost ranges from AED 500 to AED 5,000, depending on AC type and other factors.
• Operating Costs: Energy-efficient models may cost more initially but can save money over time due to lower energy consumption.

2. Energy Consumption

Energy efficiency directly impacts your electricity bills and environmental footprint:

• SEER Rating: Look for a high Seasonal Energy Efficiency Ratio (SEER) for central air conditioners and ductless mini-splits. A higher SEER indicates greater energy efficiency.
• EER Rating: The Energy Efficiency Ratio (EER) is essential for window units and portable air conditioners. Higher EER means better efficiency.
• Energy Star Certification: Air conditioners with Energy Star certification meet stringent energy efficiency guidelines set by the EPA, ensuring lower energy consumption.

3. Size and Cooling Capacity

Choosing the right size air conditioner ensures optimal performance and efficiency:

• Cooling Capacity: Measure the square footage of the space you need to cool. Oversized units cycle on and off frequently, wasting energy. Undersized units struggle to cool adequately. You should select an AC size suitable for your home, or you will face multiple issues due to incorrect sizing.
• BTU Rating: British Thermal Units (BTUs) measure cooling capacity. Match the BTU rating to your room size for efficient cooling. Standard BTU capacities range from 6,000 to 12,000, suitable for a common-sized living room.

4. Space Requirements

Consider the layout and space available for installing the air conditioner:

• Central Air Conditioning: Requires space for an outdoor condenser unit, indoor evaporator coil, and ductwork throughout the home.
• Ductless Mini-Splits: Each indoor unit requires wall space and access to the outdoor unit for refrigerant lines.
• Window Units: Fit directly into window openings.
• Space: Floor space is required for the unit, as well as space for the exhaust hose to vent outside.

5. Ease of Maintenance

Regular maintenance ensures efficient operation and extends the lifespan of your air conditioner:

• Filter Cleaning/Replacement: Check and clean AC filters regularly or replace them to maintain airflow and efficiency.
• Coil Cleaning: Clean coils annually to remove dirt and debris that can impair performance.
• Professional Maintenance: Some systems require annual professional inspection and maintenance.

6. Climate Considerations

Choose an air conditioner suitable for your local climate conditions:

• Humidity Levels: The UAE has low to moderate humidity, ideal for most air conditioning types.
• Heat Load: High heat load due to desert climate; ACs need sufficient capacity to maintain comfort.
• Cold Climate Considerations: Heat pumps or dual fuel systems can efficiently provide heating and cooling for mild winters in the UAE.

Conclusion!

If you need assistance with any HVAC problems or choosing the right air conditioner, our dedicated Customer Service team is here to help! Call 971 4 330 0002, and our customer support representative will gladly assist you with your queries.