Close this search box.


Cooling a Room Without Windows: A Comprehensive Guide

Air conditioners are known for cooling and dehumidifying the air inside any building. This can be helpful in various situations, such as when the outdoor temperature is significantly hot, and the indoor space needs to be cooled for comfort. Air conditioners can also be helpful in certain health situations, such as for people who have difficulty breathing in hot or humid conditions.

Here, the air conditioner can be a great fit to make the air more comfortable and feasible to breathe. In this article, we have discussed the Air Conditioner for a room with no windows and the pros and cons of having a windowless air conditioner. We also have mentioned how you can cool your windowless room in multiple ways.

What is A Windowless Air Conditioner?

A windowless air conditioner, also known as a portable air conditioner, is a type of air conditioner that does not require installation in a window. Instead, it can be placed on the floor or a tabletop and is typically equipped with a hose that can be vented through a wall or sliding door. 

Portable air conditioners are a convenient option for people who do not have windows that are suitable for installing a traditional air conditioner or who do not want to alter the appearance of their windows permanently. There are other reasons why you need a windowless air conditioner, which is mentioned below.

1. Installation Ease

A windowless air conditioner can be the ideal answer if your central air conditioning system isn’t providing enough circulation to chill a single room. The installation of these units couldn’t be simpler; all you have to do is plug them into an outlet and turn them on. Some types can even be easily moved around because they feature wheels.

2. Less Visible Systems

 One of the significant benefits of a windowless air conditioner is that it is completely unobtrusive and won’t ruin the look of your window like traditional units can. These units are designed to sit in the corner of a room, with only a small tube extending out the window to draw in air. In addition to being less visible, windowless air conditioners are also very effective at cooling specific rooms that may be hotter than others.

3. Getting Rid of Odours in the Home

In addition to its cooling capabilities, a windowless air conditioner can also be very effective at reducing odours in the home. If you have pets or someone who smokes inside, a single-hose windowless unit can help to remove those smells by drawing in fresh air from the outside. 

How Can You Cool A Room Without Windows?

Cooling a room without windows can be challenging, but it’s not impossible. Here are some ways to consider:

1. Portable Air Conditioner

These units are a popular choice for rooms without windows because they don’t require any installation. Simply plug them in, set the temperature, and let them do the work. Portable air conditioners pull hot air out of the space, chill it, and then let the cooled air back into the space. Some models even come with wheels, making it easy to move them from room to room.

2. Evaporative Cooler

These devices also called “swamp coolers,” function by drawing in warm, dry air and forcing it through a wet pad to chill and humidify the air. They can be a more affordable option to conventional air conditioning and are especially effective in hot, dry climates.

3. Air-Cooled Portable Air Conditioner

These units are similar to portable air conditioners, but instead of releasing the hot exhaust air through a window, they use a built-in air-cooled condenser to dissipate the heat. This makes them a good option for rooms without windows or access to an exterior wall.

4. Ceiling Fan

Even if the temperature in a room hasn’t changed, ceiling fans may assist in moving the air and make it feel cooler. When the fan blades rotate, they create a gentle breeze that can help evaporate the sweat on your skin and make you feel cooler. Make sure to run it counterclockwise (on a low setting) during the summer months.

5. Standing Fan

A standing fan is another option for circulating the air in a windowless room. Just be aware that standing fans don’t typically cool the air as effectively as ceiling fans, as they don’t cover as much area.

6. Bowls of Ice In Front of Fans

Placing bowls of ice in front of fans can help cool the air as it passes over the ice. As the ice melts and the water evaporates, it cools the air, creating a refreshing breeze.

7. Humidifier

A humidifier can help make the air feel cooler by increasing the humidity in the room. When the air is more humid, it can feel cooler because the moisture makes it more difficult for your body to lose heat through perspiration. Just be aware that a humidifier can also make the air feel stuffier, so it’s a good idea to use it with other cooling methods.

8. Reflective Window Film

Reflective window film is a thin film that can be applied to the walls or ceiling of a windowless room to reflect heat away from the space. The film works by reflecting the sun’s rays out of the room, helping to keep the temperature down.

9. Light Coloured Curtains or Blinds 

By deflecting heat, light-colored blinds or drapes can keep a room cooler. Choose light-colored window treatments to keep the room as cool as possible because dark colors absorb heat.

10. Dehumidifier

A dehumidifier may help a space seem cooler and cozier by removing extra moisture from the air. Dehumidifiers draw air from the space, eliminate moisture, and then redistribute the dry air. This is particularly beneficial in humid situations.

11. Insulation and Sealing

Proper insulation and sealing can help to keep the heat out and the cool air in, making the room feel more comfortable. This is especially important in rooms without windows, as they are more prone to retaining heat.

12. Ventilation

If the room has access to an adjacent room or hallway with windows, you may be able to install a ventilation system to bring in cool air from outside. This can be as simple as a window fan or as complex as a whole-house ventilation system.

13. Hang Damp Sheets or Towels in Front of Fans

Hanging damp sheets or towels in front of fans can help create a cooling effect as the water evaporates. The evaporation of the water will help lower the temperature of the air and create a refreshing breeze. To use this method, simply dampen the sheets or towels with water and hang them in front of a fan. Make sure to replace the sheets or towels as they dry out to maintain the cooling effect.

14. Heat Blocking Paints 

Heat-blocking paint is a special type of paint that is designed to reflect heat away from the walls. This will help to keep the room cooler. There are a few different types of heat-blocking paints on the market, and they work differently. Keep in mind that heat-blocking paint is not a substitute for proper insulation. It’s a good idea to use it with other cooling methods.

No matter which option you choose. It’s essential to regularly maintain and clean your cooling system to ensure it is running efficiently. Following simple tips, you can keep your windowless room cool and comfortable all year round.

Pros and Cons of Using a Windowless Air Conditioner


  • A windowless air conditioner can effectively cool a room with no windows.
  • It is a portable, standalone unit that does not require installation.
  • Also, it can be easily moved from room to room.
  • Both cooling and dehumidification are possible with it.
  • Any room, regardless of whether it has windows, can use an air conditioner without windows.
  • It might be a cheap cooling solution if you simply need to cool a small area.


  • A windowless air conditioner may be noisy.
  • It can be expensive to operate, as it uses electricity to cool the air.
  • It might not use as much energy as a window air conditioner or a central air conditioning system.
  • It might not be as effective at cooling a large space as a unit with more power.
  • If you have a small room, a windowless air conditioner may be an issue because it takes up floor space.
  • It may not be as aesthetically pleasing as other cooling options.

Whether a windowless air conditioner is right for you depends on your specific needs and circumstances. You will need to consider these pros and cons before making a final decision.


In conclusion, there are various effective ways to cool a room with no windows. Each of these methods has its own pros and cons. So consider your specific needs and circumstances before deciding which method is right for you. Hope this article helps you better understand air conditioners for a room with no windows as well. 

Leave a Reply

Your email address will not be published. Required fields are marked *