Serving homes & businesses across Kent since 2002

Air conditioning advice

The Difference Between Central Air Conditioning and Window Units

3 min readBy the Kent Air Conditioning team
Reply within 24 hours

Get your free quote

Fill out the form and a Kent Air Conditioning team member will get back to you as soon as possible.

We’ll use this to prepare your quote.0 / 500

No obligation · We reply within 24 hours

Three air conditioning outdoor units installed along the side wall of a modern brick home

Air conditioning systems are an essential part of any modern home, providing a comfortable living environment in the hot summer months. However, when it comes to cooling your home, two main options are available: central air conditioning and window units. Both cooling systems have advantages and disadvantages, and it’s essential to understand their differences to choose the best option for your needs.

If you’re thinking about air conditioning for your home, read on to discover which option is best for you based on your budget, the size of your home and your cooling needs.

Central air conditioning

Central air conditioning is a system that uses ductwork to supply cool air throughout the home. The system consists of a large compressor unit installed outside the home, as well as an evaporator unit that is typically installed in the loft or a cupboard. The two units are connected by a series of ducts that run throughout the home, delivering cool air through vents in each room.

One of the main advantages of central air conditioning is that it is a more efficient way to cool large homes. Since the system is designed to cool the entire home simultaneously, it can maintain a consistent temperature throughout, regardless of how hot it is outside. This can be especially beneficial in areas with extreme heat or humidity, where window units may be unable to keep up.

Another advantage of central air conditioning is that it is much quieter than window units. Since the compressor unit is installed outside, the noise is significantly reduced, making it much more pleasant to be inside the home. Central air conditioning is also typically much more aesthetically pleasing than window units, as the equipment is hidden from view and does not obstruct windows or block natural light.

However, there are some downsides to central air conditioning as well. The initial installation cost can be quite expensive, especially if ductwork needs to be installed. Central air conditioning also requires regular maintenance to ensure it functions properly. If the system isn’t properly maintained, it can become less efficient and break down, resulting in costly repairs.

Window units

Window units, on the other hand, are a more affordable way to cool your home. These units are designed to fit inside a window and are typically easy to install. They can also be moved from room to room as needed, providing flexible cooling options throughout the home.

Another advantage of window units is that they are ideal for cooling smaller spaces. If you only need to cool one or two rooms, a window unit may be more efficient than central air conditioning, allowing you to target specific areas of your home. Window units also do not require ductwork, saving you money on installation costs.

However, there are also some downsides to window units. They are typically much louder than central air conditioning, as the unit’s compressor and fan are inside. Window units can also be unsightly, as they block natural light and obstruct views from the window. If you have multiple window units installed throughout your home, this can become a significant issue.

Finally, window units may be less effective in extreme heat or humidity. If you live in an area with very hot summers or high humidity, a window unit may be unable to keep up with demand, resulting in an uncomfortable living environment.

Central air or window units: the verdict

Central air conditioning and window units both have pros and cons. While central air conditioning is more expensive to install and maintain, it is a more efficient way to cool large homes and provides a more aesthetically pleasing solution. Window units, on the other hand, are more affordable and provide flexible cooling options but may be less effective in extreme heat or humidity. Choosing between central air conditioning and window units will ultimately depend on your specific needs and budget.

Our advice

In UK homes, wall-mounted split and multi split systems are a popular middle ground: quiet like central air, with no ductwork and no blocked windows. We can talk you through every option during your free quote.

Keep reading

More guides to choosing air conditioning

Call us Free quote