Our three-panel configurations offer a clean and simple design, which can create a more modern and simpler look. They are often used to maintain a streamlined appearance in contemporary or industrial-style spaces.A Three panel configuration typically provides a larger open glass area compared to a Four panel setup. This allows more natural light to enter your space and offers a more expansive view of the outdoors.Three panel doors and windows are less expensive to manufacture.Installing a Three panel unit can be more straightforward than a Four panel one. It may require fewer structural modifications and is often lighter and easier to handle.Four Panel configurations provide more flexibility and options in terms of opening and closing. You can open just one panel for easy access, two panels for partial ventilation, or all four panels for a wide-open space. This flexibility is particularly useful for large openings.The added panel allows for a wider opening, creating a more seamless flow between indoor and outdoor spaces. This is especially desirable in areas with beautiful outdoor views or for entertaining purposes.Four panels, you have the option to control the amount of ventilation more precisely by opening just one or two panels. This can be beneficial for regulating airflow in different weather conditions.In some cases, 4-panel configurations can provide better insulation and energy efficiency compared to 3-panel units. They offer improved thermal performance, which can be beneficial for heating and cooling your space. Four-panel glass doors and windows can make a strong architectural statement and add a touch of elegance to your space. They are often chosen for high-end or luxury home designs.The choice between 3-panel and 4-panel glass doors and windows depends on your specific needs and preferences. Consider the size of the opening, your design aesthetic, your budget, and how you plan to use the space.