Can A Diffuser Be Used As A Humidifier? Which Is Better?

Are you concerned about the harsh and dry weather? Most people sense the cold approaching and seek ways to make it more comfortable indoors. In cold seasons, you need to add moisture because the air is more dry and cold. Dry air can cause injury to your body. A humidifier might be an option in such situations. But essential oil users have discovered other methods to improve the humidity of their environment. Many people are curious if they could use an oil diffuser as a humidifier. We have the solution for you if you’re looking for a permanent solution. This article will tell you everything about humidifiers or diffusers. It will also answer your most curious question “Can a diffuser be used as a humidifier ?”.

How is the Humidity in your Home beneficial for your health?

It is important to maintain a comfortable and healthy environment inside because most people spend 90% of their time in buildings. Your home is like your body. Keep your home hydrated to ensure your comfort and good health. Low humidity and low levels of moisture can lead to dryness in your house. Dry air can have negative effects on the body. Dry air can affect the skin, nose, throat, and eyes. Insufficient moisture can also increase the risk of getting a cold.

Your home and body will be affected as well. If there is excessive humidity indoors it can be a breeding ground of biological contaminants like mold, bacteria, dust mites and viruses. These could lead to respiratory problems. Studies have shown that relative humidity levels between 40% and 60% are optimal for reducing your chance of contracting the influenza virus. This virus thrives in all environments, including the air. Low humidity can make influenza viruses more contagious.

What’s the difference between humidifiers and diffusers?

Diffusers and humidifiers are different. Humidifiers are electrical devices that balance low levels of moisture in the atmosphere. This device releases moisture into the air to prevent dry air from reaching the lungs. Diffusers are a medical device that diffuses essential oils throughout the room. These essential oils are made from freshly extracted plants. They have a strong smell to help mental and physical health. Simply put, humidifiers increase humidity, and diffusers create an aromatic atmosphere in your home by using natural oils from medicinal plants.

If you are looking for something to make the air feel more moist, a humidifier is a good option. Do not use diffusers to humidify the air. You can still use an oil diffuser to relax and take advantage of the therapeutic benefits of essential oils. For humidifying the air, diffusers are not recommended.

Are Essential Oils Safe to Use in Your Humidifier?

Diffusers and humidifiers have different functions. Diffusers can inject essential oils into the air while humidifiers are used to humidify the air. Essential oils can cause harm to your humidifier. This is because the oils build up and cover the mechanisms. This could cause the plastic to break down, prevent ultrasonic nebulizers from working properly, and result in a loss of potency. It is also possible to retain larger particles than its absorption capacity. People often mistake the two devices for being similar and use them interchangeably, without considering the consequences.

Is it possible to use an oil diffuser as a humidifier?

Diffusers are typically smaller than humidifiers in size. They are therefore less durable and may require frequent refilling. Diffusers are slower than humidifiers. It is unlikely that a diffuser will humidify the air within 2-3 hours. Diffusers don’t take in as much water so the mist they create isn’t going to be very strong. For humidification, diffusers are useful when the humidity level is not too low. Diffusers are not a good substitute for humidifiers because they don’t humidify as much as humidifiers.

Can a diffuser be used without oil?

If essential oils are not available, you have many options. Other options may have the same function of essential oils. You can use your diffuser to humidify your room. Simply pour water into the diffuser. And it will turn on automatically. Highly recommended are ultrasonic diffusers which use water.

Refrigerated lemon juice is a good alternative if you want a citrus scent but don’t have any citrus essential oils. Simply warm it to room temperature before you place it in your diffuser. You can dilute lemon juice with water if the concentration is too high. It will not be as intense, but you can still enjoy it.

You can use any herb or spice, including rosemary, cinnamon & ginger. Then you can combine it with water. You can use the solution. You can also mix in any spices or herbs you like.

Which device is best for sinus congestion: humidifier or diffuser?

Diffusers are great for aromatherapy and essential oils. Depending on which oil you use, the mist can soothe and relax your skin. Diffusers can reduce the amount of bacteria and fungus in your home. This can help you avoid health problems. Diffusers can be very beneficial if you choose the best essential oil.

Humidifiers, on the other hand are great for those who suffer from dry season problems. You can use a humidifier to reduce dry skin and nosebleeds. It can also help with sinus congestion, colds and flu. People who don’t like cold or dry air will love a humidifier.

Can a diffuser be used as a humidifier for plants?

You can use diffusers to humidify plants in small spaces like a corner. They work like small humidifiers. It is small and cannot produce a lot of moisture because of its size. Humidifiers with larger water reservoirs can last longer. Because it adds moisture, humidifiers are great for large rooms with many plants.

Can a diffuser be used as a humidifier for baby?

It is not advisable to use diffusers in large places. You should also not use essential oils in diffusers until your baby is 6 months. Your baby’s lungs may still be developing. Different oils can have different safety concerns that could impact your child in different ways. To ensure safety, you should consult your pediatrician if you are considering using essential oils for an older child or toddler.

Types of Humidifiers

  • Cool Mist Humidifier
  • Warm Mist Humidifier
  • Ultrasonic Humidifier
  • Evaporative Humidifier
  • Steam Vaporizer

Types of Diffusers

  • Nebulizer Diffuser
  • Ultrasonic Diffuser
  • Heat Diffuser
  • Evaporative Diffuser

Benefits of Humidifiers

  • Humidifiers are great for keeping your skin moist, especially in winter.
  • Dry weather can trigger skin reactions. Humidifiers stop dry air from causing skin reactions such as flakiness, rashes & bleeding etc.
  • Winters are difficult because of the cold outside air. Cold temperatures can expose the body to cold-related diseases. Humidifiers help the body fight off viruses, colds, sore throats and pneumonia.
  • Reduced moisture makes the body more vulnerable to changes in weather conditions that can disrupt our sleeping patterns. Humidifiers are good for sleep and can improve our breathing.
  • You can reduce static electricity shocks by using humidifiers to moisten your air.
  •  Furniture that is less than 40% humidity will shrink and crack. Humidifiers are a great way to protect wooden furniture, floors and walls. They can prevent cracks and erosions from developing.

Benefits of Diffusers

  • Diffusers add life and color to dull spaces by infusing the air with the strong aromas of essential oils.
  • Diffusers containing essential oils have a calming and soothing effect, especially when used for meditation or yoga. A soothing aroma can help you focus and keep your thoughts clear when you’re doing important work.
  • Skin problems can be a problem during the winter season. Diffusers scent in your home can help with skin irritations, inflammation, and other medical conditions.
  • Diffusers is great for hormonal imbalance sufferers, particularly women who are pregnant or going through menstrual cycles. This device can help you feel more balanced in these times.
  • Essential oils have many medicinal benefits that can reduce muscle soreness, joint pains, and strains.


Now that you know the differences between humidifiers & diffusers, it is easier to make a decision. Last but not least, we caution you against substituting devices. They will only work well for their primary purpose. Expect disappointment if you try to substitute one device for the other. Diffusers are able to humidify the air by adding moisture. However, it is not recommended to use the diffuser in large areas. A humidifier and diffuser combination is also possible.

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