What factor should be considered when planning the layout of windows and doors in a building?

When planning the layout of windows and doors in a building, energy efficiency and natural light are crucial factors to consider. Proper placement of windows can maximize the amount of natural light entering a space, which not only enhances the aesthetic appeal but also contributes to energy savings by reducing the need for artificial lighting during the day.

Additionally, windows play a vital role in a building's overall energy efficiency. Strategically placed windows can help regulate indoor temperatures by allowing passive solar heating in the winter and minimizing heat gain in the summer. This thoughtful approach enhances comfort for occupants and can significantly lower heating and cooling costs, making the building more environmentally friendly and cost-effective over time.

Aesthetic design, while important, should not be the sole focus, as it can sometimes lead to neglecting energy efficiency. While the cost of materials and building height restrictions are pertinent aspects of construction, they do not directly address how windows and doors function in terms of energy usage and the lighting quality of interior spaces. Therefore, energy efficiency and natural light are critical factors that influence both the environmental sustainability and functionality of the building.