Key Benefits and Essential Tips

Per Essay

« Let there be light! » If even God planned the enlightenment of the world first in the plan of building the Earth, according to Christian tradition, it will not be fair to you who want to do it different, right?

Jokes aside, the fact is that natural lighting is something so important and fundamental to life that sometimes we don’t even realize it.

Which is a shame, since natural lighting brings a number of benefits, both for the functioning of the house and for the residents who live there.

Want to better understand this whole idea? Then come and see the post with us, it will brighten your life (with pardon the pun)!

Benefits of residential daylighting

Energy efficiency and sustainability

There was a time when there was no electricity, do you believe that? At that time it was common and necessary to use natural light to illuminate homes. But with the advent of artificial light, the projects started to value electric energy (easy and cheap) and left natural energy aside.

Lucky for the world that it didn’t take long for the modernists and their concepts of large, airy and ventilated houses to emerge, followed, soon after, by the green-headed architects, that is, who think in a sustainable way. And what does all this have to do with natural lighting? All!

When a house has a good natural lighting project it automatically gains energy efficiency, being able to stay lit without the need to light lamps and that, of course, makes it much more sustainable, after all, it is a house that saves important natural resources from planet.

At the end of the day you can also save a lot of money on your energy bill. So, why not?

Air conditioning

A well-lit house is also a house with good thermal comfort, especially in countries with hot climates such as Brazil. This is because the opening of windows, doors and other openings allow not only the entry of light, but ventilation, making the house stay fresh and always pleasant, without the need to resort to devices such as fans and air conditioning. Your pocket and the planet will thank you (again).


A house with natural lighting is also beneficial to the health of residents, did you know that? Natural lighting removes mold and mildew.

Light is also a source of vitamin D, meaning you can replace your required daily dose of vitamin on the living room sofa.

A good source of lighting is also important to help replenish fundamental body hormones, such as melatonin, responsible for sleep and serotonin, responsible for good mood, among other mega important functions in the human body.

Valuation of interior design

Want another good reason to light your home? So write this one down: valuing interior design. Natural lighting gives that touch that the decor needs. With it everything is more beautiful and highlighted.

How to design natural lighting in architecture

But if you are there thinking that just open a 1m x 1m window in the rooms and everything is resolved, know that you made a bad mistake.

Natural lighting in architecture goes through many other aspects before reaching the openings. Check it out below:

Position of the sun

By far, the position of the sun is one of the most important factors in determining a good natural lighting project.

It is essential to observe the sun’s trajectory throughout the day and how the light reaches each part of the terrain. Therefore, the ideal is to understand the place where the sun rises, where the rays point in the early hours of the morning, the position of the star throughout the afternoon and how the light reaches the end of the day.

Write down, sketch, scribble, but be sure to make these observations.


It is worth noting that there are nowadays a series of computer programs that help to determine the intensity and behavior of light inside the house from the movement of the sun.

Generally aimed at professionals in the field of engineering and architecture, these programs accurately determine the level of brightness in each area and, thus, help to define which are the best resources to be employed.

Depth of environments

The depth and height of the environments directly interfere with the natural lighting project. Basically, the deeper a room is, the greater the amount of natural light will be needed to be able to illuminate the entire space.

High ceiling environments also need a greater supply of lighting.

Need of residents

Another very important point before defining the natural lighting project is to pay attention to the real need of residents.

Social environments, for example, demand a greater amount of light than private spaces, such as bedrooms and bathrooms.

Therefore, not all rooms in the house should be designed in the same way.

Most used features for natural lighting

Openings and openings

Windows, doors and all kinds of spaces, whether on the wall or the ceiling, are simple and almost always very cheap resources to expand the supply of natural light.

Cobogós, panels and brises

Panels, brises and cobogos have become great allies for sustainable projects. This is because they allow light to pass smoothly, in addition to ensuring privacy and also offering a certain division between environments.

Skylights, atriums and glass ceilings

When the idea is to bring lighting from top to bottom, you can count on skylights, atriums, retractable glass ceilings and even pergolas.

Care with natural lighting

Thermal comfort

Natural lighting is wonderful, but it shouldn’t be used without criteria. Mainly because of thermal comfort. On cold days, for example, gaps and openings can be a problem if they cannot be closed properly.

Visual comfort

Excessive light can also bring visual discomfort, especially in study, work and TV rooms.

Make sure that the light is coming in from the right spot and that it will not obscure anyone’s view.

Adequate artificial lighting

And it is not because the natural lighting in your home is perfect that you will neglect artificial lighting. It is also important, especially at night and on those gray days. Make the most of the points of direct and indirect lighting so that the environments are cozy whatever the time of day.

Tips for better use of natural lighting

In addition to betting on the most suitable resources to bring light into the home, you can still use a few tricks so that natural lighting is perfect. Check out:

Use light colors

The light tones, such as white, Off White and pastel, help to create the sensation of spaciousness and help to spread the light around the environment in a more uniform and homogeneous way. This goes for both the colors of the walls and the furniture.

Bet on transparency

Glass, mirror and acrylic are perfect materials to project the natural light of the environments. Bet on them without fear when the goal is to magnify the effect of the lighting.

Adjust the position of the furniture

Did you know that the improper position of the furniture in your home can interfere with the entry of light? Observe if there is any furniture that may be covering the passage of light through the window or the door.

It may be that the furniture is not even leaning directly in front of the window or the door, but just being in the same line as the opening can be enough to prevent light from entering.

Now just put all these tips into practice and enjoy a bright house!

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