Jalousie Windows: Everything You Should Know

If you are in the market for a new window style for your home, then you should definitely consider jalousie windows. Jalousie windows offer many benefits that other window styles do not, and they are becoming increasingly popular among homeowners. In this article, we will discuss everything you need to know about jalousie windows. We will cover what they are, how they work, their benefits, and more!

What Are Jalousie Windows?

Jalousie windows, also known as louvered windows, are a type of window composed of parallel glass or acrylic blades arranged in a slanted orientation. They are hinged at the top and bottom and can be opened and closed by rotating the mechanism that holds them together. This allows the user to partially or fully adjust the amount of light entering into their home through the windows. Jalousie windows have been popular since the late 19th century and remain popular today due to their versatility and ease of use. [1]

What Are Jalousie Windows

Benefits and Disadvantages of Jalousie Windows

Jalousie windows offer a number of benefits that other window styles do not. One advantage is their ability to provide both ventilation and light control. Since the blades can be adjusted, the user has complete control over the amount of air and light entering the home. Additionally, jalousie windows are generally more affordable than other window types due to their simple design and construction.

However, there are also some drawbacks to jalousie windows. For one, they are difficult to clean since you must remove each individual blade in order to reach all areas of the window. Also, jalousie windows tend to be less energy efficient than other types of windows since they do not provide as much insulation against exterior temperatures and noise levels. [2]

In terms of maintenance, jalousie windows should be inspected regularly for any signs of wear or damage. Any loose screws or bolts should be tightened, and if necessary, you may need to replace broken or worn out blades. Additionally, you should make sure the mechanism is lubricated regularly with oil to ensure smooth operation when opening and closing the window.

Benefits of Jalousie Windows

Air Flow and Ventilation

Jalousie windows are an excellent choice for areas of your home that require more air flow. Since the user can adjust the blades, they have complete control over how much air enters their home. This makes them perfect for rooms such as kitchens and bathrooms where additional ventilation is needed.

Cheaper To Replace Part Of The Window

If you ever need to replace part of the window, such as a single blade or the entire mechanism, it is much cheaper and easier to do so with jalousie windows than other window styles. This can save you time and money in the long run.

Privacy Flexibility

Jalousie windows offer a unique level of privacy since they can be partially opened while still providing light. This is particularly useful in homes with large windows, as it allows the user to adjust the amount of visibility into their home.

Privacy Flexibility

Blocks Sun & Rain Even When Open

When opened, jalousie windows can still block out the elements such as rain and sun. This makes them perfect for areas where you want to let light in but not have it directly shining into your home.

Disadvantages of Jalousie Windows

Security Concerns

One potential downside to jalousie windows is their lack of security. Since they are composed of multiple blades, they can be easily opened from the outside. This makes them less secure than other window styles such as casement and double hung windows.

Poor Energy Efficiency

Jalousie windows are not as energy efficient as other window styles due to their construction and design. The blades provide less insulation against outside temperatures which can lead to increased heating and cooling costs.

Many Moving Parts

Due to their complex construction, jalousie windows require more maintenance than other window styles. The mechanisms and blades must be inspected regularly for any signs of wear or damage and should be routinely lubricated with oil to ensure smooth operation when opening and closing the window.

How Much Do Jalousie Windows Cost?

Jalousie windows are typically more affordable than other window styles due to their simple design and construction. On average, the cost of a jalousie window ranges from $100 – $300 depending on size, material, and customization options. Labor costs may also apply if installation is required. [3]

How Much Do Jalousie Windows Cost

Jalousie Windows Materials and Styles

Jalousie windows are available in a variety of materials and styles. Common materials include aluminum, vinyl, wood, and fiberglass. They can also be customized with various glass options such as tinted or stained glass for added privacy and style. [4]

When it comes to choosing the right jalousie window for your home, it is important to consider all factors including material, size, energy efficiency, and cost.

Are Jalousie Windows In Style?

Jalousie windows have been a popular choice for many years, but they are currently making a comeback in contemporary architecture. They offer the perfect balance of style and practicality with their adjustable blades and flexible design. Whether you’re looking for an energy efficient option or just want to add some character to your home, jalousie windows may be the perfect choice for you.

Ultimately, jalousie windows provide flexibility, ventilation, and increased privacy while still being relatively affordable. With proper maintenance and care, these windows can last for many years to come. If you’re considering installing jalousie windows in your home, make sure to do your research and make an informed decision that meets all of your needs.

Whether you’re looking for energy efficient windows, privacy, or a unique style, jalousie windows offer the perfect balance of form and function. With proper installation and maintenance, they can last for many years to come while still providing you with the flexibility and control that you need. Whether in modern or traditional homes, jalousie windows are an excellent choice for any homeowner looking to increase their home’s aesthetic appeal while also adding practicality and value.

Our Top Pick for Jalousie Windows

Our top pick for jalousie windows is the Andersen A-Series Jalousie Window. This window is designed to provide superior energy efficiency, durability, and style. The frame is made from solid wood with a multi-layer finish that resists water damage and fading. It also features an adjustable latch system to ensure easy opening and closing of the window blades. With its simple yet elegant design, this window is sure to add beauty and value to any home.

If you’re looking for the perfect jalousie window for your home, the Andersen A-Series Jalousie Window should be at the top of your list. Thanks to its superior construction, energy efficiency, and elegance, this window is sure to provide you with years of enjoyment and value.

From energy efficiency to style, jalousie windows offer the perfect balance of form and function. With proper installation and maintenance, these windows can provide your home with increased ventilation, privacy, and beauty for many years to come. Whether you’re looking for an affordable option or a unique style for your home, jalousie windows are sure to meet all of your needs. So if you’re considering installing new windows in your home, make sure to consider all factors before making a decision—including cost, material choice, size, energy efficiency, and overall style. Good luck!

Comparison of Jalousie Windows Indicators

This table provides a comparison of various indicators related to jalousie windows. Jalousie windows, also known as louvered windows, are a type of window consisting of parallel glass or acrylic slats, called louvers, that are tilted open and closed to control airflow and provide ventilation. The table below highlights key numerical data related to jalousie windows, such as the number of slats, overall dimensions, maximum airflow, and energy efficiency ratings.

Indicator Description Unit
Number of Slats The total number of slats in the jalousie window. Count
Overall Dimensions The overall dimensions of the jalousie window, including width and height. Inches (in)
Maximum Airflow The maximum amount of airflow the jalousie window allows when fully open. Cubic Feet per Minute (CFM)
Energy Efficiency Rating An energy efficiency rating for the jalousie window, indicating its ability to prevent heat transfer. BTU per Hour per Square Foot (BTU/hr/ft²)

Explanation to the table:

  • The table consists of four columns: Indicator, Description, and Unit.
  • The “Indicator” column lists the specific indicators being compared.
  • The “Description” column provides a brief explanation of each indicator.
  • The “Unit” column specifies the unit of measurement for each indicator.
  • The indicators included in the table are “Number of Slats,” “Overall Dimensions,” “Maximum Airflow,” and “Energy Efficiency Rating.”
  • The “Number of Slats” indicator represents the total count of slats in the jalousie window.
  • The “Overall Dimensions” indicator includes the width and height measurements of the jalousie window, expressed in inches.
  • The “Maximum Airflow” indicator signifies the maximum amount of airflow that can pass through the jalousie window when fully open, measured in cubic feet per minute (CFM).
  • The “Energy Efficiency Rating” indicator denotes the energy efficiency of the jalousie window, specifically its ability to prevent heat transfer. The unit for this indicator is BTU per hour per square foot (BTU/hr/ft²).


Are jalousie windows safe?

Yes, jalousie windows are safe and secure when installed properly. The blades can be locked in place to increase security.
How can you make jalousie windows more energy efficient?

Adding weather-stripping to the frame of the window can help make it more energy efficient. Additionally, tinting the glass and adding blinds or curtains can help block out heat in the summer and retain warmth in the winter.

What are jalousie windows?

Jalousie windows are a type of window that consists of multiple horizontal slats of glass or acrylic that are held in place by a metal frame. These slats can be opened and closed simultaneously using a crank mechanism, allowing for controlled ventilation and airflow.

How do jalousie windows operate?

Jalousie windows operate by using a crank mechanism that is typically located at the bottom of the window frame. When the crank is turned, it moves a linkage that opens or closes the slats of the window. This mechanism allows you to adjust the degree of ventilation and control the amount of air entering the room.

What are the advantages of jalousie windows?

Jalousie windows offer several advantages:

  • Excellent ventilation: The design of jalousie windows allows for maximum airflow, making them an ideal choice for areas where fresh air circulation is desired.
  • Adjustable ventilation: You can control the angle of the slats to regulate the amount of air entering the room.
  • Good visibility: Jalousie windows provide unobstructed views when the slats are fully open.
  • Easy maintenance: Each slat of a jalousie window can be individually cleaned and replaced if needed.
  • Secure ventilation: When the slats are partially open, jalousie windows provide ventilation while maintaining a level of security by restricting access from the outside.

What are the disadvantages of jalousie windows?

While jalousie windows offer several benefits, there are some drawbacks to consider:

  • Poor insulation: Jalousie windows are not as effective at insulating against heat, cold, and noise compared to other window types.
  • Less energy efficiency: The multiple slats of jalousie windows can allow air to leak in or out, which can affect energy efficiency.
  • Security concerns: Jalousie windows may not provide the same level of security as other window types, as the individual slats can be vulnerable to forced entry.
  • Maintenance challenges: The crank mechanism and individual slats of jalousie windows require regular maintenance to ensure smooth operation and prevent any damage or malfunction.

Can jalousie windows be installed in all types of buildings?

Jalousie windows can be installed in various types of buildings, including residential homes, commercial buildings, and even some institutional structures. However, it’s important to check local building codes and regulations, as some areas may have restrictions on the use of jalousie windows due to safety concerns or energy efficiency requirements.

What are some alternative window options to jalousie windows?

If you’re considering alternatives to jalousie windows, here are a few options:

  • Double-hung windows: These windows have two vertically sliding sashes that can be opened from either the top or bottom, providing good ventilation and energy efficiency.
  • Casement windows: Casement windows are hinged on one side and open outward, allowing for maximum airflow and easy cleaning.
  • Awning windows: Similar to jalousie windows, awning windows have horizontal slats, but they are typically larger and hinged at the top. They provide good ventilation while maintaining a higher level of energy efficiency.
  • Slider windows: Slider windows have one or more sashes that slide horizontally, offering ease of use and a contemporary look.

Can jalousie windows be used in areas prone to extreme weather?

Jalousie windows may not be the best choice for areas prone to extreme weather conditions. Due to their design, jalousie windows offer less insulation and may not provide adequate protection against high winds, heavy rains, or extreme temperatures. In such areas, it is advisable to consider alternative window options that offer better insulation and weather resistance.

Are jalousie windows energy efficient?

Compared to other window types, jalousie windows are generally less energy efficient. The multiple slats and gaps between them can result in air leakage, which can impact the overall energy performance of a building. If energy efficiency is a significant concern, it is recommended to explore alternative window options such as double-pane windows or Low-E (low emissivity) windows that provide better insulation and help reduce energy consumption.

Can jalousie windows be retrofitted with modern features?

While it is possible to retrofit jalousie windows with some modern features, it can be challenging and may require significant modifications. Upgrading jalousie windows to improve energy efficiency or enhance security often involves replacing the entire window unit with a different window type. It is advisable to consult with a professional window contractor or installer to assess the feasibility and cost-effectiveness of retrofitting jalousie windows.

How do I maintain and clean jalousie windows?

To maintain and clean jalousie windows, follow these steps:

  1. Regularly inspect the window frame, hardware, and individual slats for any signs of damage or wear.
  2. Remove any debris or dirt from the window frame and tracks using a brush or vacuum cleaner.
  3. Open the window fully and secure it in place to access the slats.
  4. Clean each slat with a mild detergent or glass cleaner using a soft cloth or sponge.
  5. Rinse the slats with clean water and wipe them dry.
  6. Lubricate the crank mechanism and other moving parts with a silicone-based lubricant to ensure smooth operation.
  7. If any slats are damaged or cracked, they should be replaced promptly to maintain the functionality and appearance of the window.

Can jalousie windows provide privacy?

Jalousie windows, when the slats are fully closed, can offer a reasonable level of privacy by limiting visibility from the outside. However, it’s important to note that jalousie windows typically have smaller slats compared to other window types, and there may still be some degree of transparency between the slats. To enhance privacy, you can consider options such as using window coverings or applying window films that provide additional opacity.

Useful Video: Jalousie Window Repair Made Easy?


All in all, jalousie windows are a great choice for those looking for an affordable way to improve their home. They offer many benefits and can be very attractive when installed properly. If you have any questions about jalousie windows, or if you need help choosing the right type of window for your home, please contact us. We would be happy to assist you.


  1. https://www.thompsoncreek.com/blog/what-are-jalousie-windows/
  2. https://www.myflawlesswindow.com/the-benefits-and-drawbacks-of-jalousie-windows/
  3. https://modernize.com/windows/types/jalousie-windows
  4. https://designingidea.com/jalousie-windows/