
The Venta LW15 Evaporative humidifier is a small, cool mist evaporative humidifier, ideal for spaces up to 300 sq feet.
It is designed to operate permanently 24/7. The tank holds 1.4 gallons and is recommended to be filled with tap water and Venta Water Treatment Additive.
This device has 2 humidity speed settings and runs at a low noise level. It is ideal for homes where you want to reduce harmful air pollutants and require your humidity to be kept constant for long periods.
In this review, we’ll discuss the key features of this Evaporative humidifier to help you with your buying decision.
Venta LW15 Small Evaporative Humidifier |
The Venta LW15 Evaporative humidifier does not use filters and can be filled with tap water plus the addition of Venta Water Treatment Additive every 10 to 14 days.
This is a small but powerful device with a simple design.
It has 2 humidity speed settings, an LED display, and an automatic shut-off feature. This device is ideal for homes where you want to control your humidity and breathe fresh air 24/7. |
Pros |
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Cons |
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Ease of use |
Low operating noise |
Smart Features |
Easy to fill with water and clean |
Automatic features |
4.2 out of 5 |
Buy now from Amazon |
Buy now from The Home Depot |
Buy now from Venta |
The Venta LW15 Evaporative humidifier is a small but highly effective device that will control your humidity for long periods.
It uses evaporative technology and dispenses cool mist. The tank holds 1.4 gallons and can be filled with tap water.
It does not use filters but requires the addition of Venta Water Treatment Additive which prevents germs as well as the build-up of minerals, calcium and lime. The additive also improves the efficiency of the humidifier.
This is a great choice for homes that require constant humidity throughout the year.
Table of Contents
Key Features of the Venta LW15 Evaporative Humidifier
- Simple design in two sections
- Bottom section fill
- Low noise levels
- LED display
- Designed to run continuously 24/7
- 2 humidity speed settings
- Evaporative cool mist
- Automatic shut-off function
- Low water indicator
- Uses tap water with Venta Water Treatment Additive
- Can add Venta Aromatherapy for fragrance
- Quick clean every 10 to 14 days
- Deep cleaning with Venta Humidifier Cleaner every 6 months
- Comprehensive FAQ section on the Venta website

Setup of Venta LW15 Evaporative humidifier
Follow these steps to set up your Venta LW15 Evaporative humidifier:
- Open the packaging
- Remove the bottles of Water Treatment and set them aside
- Open the top of the machine by releasing the tabs on the control panel
- Open up the four panels starting with the non-vented panels
- Lift the motor out of its housing and set aside
- Take out the power cable and set aside
- Check for any cracks or damages
- If all is fine, replace the motor
- Close the upper housing and clip the tabs, set them aside, upside down
- Remove the disc stacks from the lower housing
- Remove cardboard packaging from the upper and lower housing
- Check the disc stacks for cracks or damage
- If all is fine, replace the disk stack into the lower housing
- Position your humidifier in its permanent place
- Carry the lower housing to a water source and fill it to the water line
- Pour in the Water Treatment Additive
- Return to your permanent position
- Place the upper housing onto the lower housing
- Guide the power cord through the slot as you do this
- Plug in the machine
- Press the Power Button and select Level 2
- Your machine needs to run for about 5 days to reach your desired humidity level
What we like
We like the simple design of two sections and the low noise level.
This is a machine that is fuss-free and will run continuously for long periods. It holds 1.4 gallons and does not use filters.
The evaporative technology helps to reduce pollutants in the air, as well as constantly humidifying your living space.
Optional from Venta – an ultrasonic cleaning and service is available.
What we dislike
The bottom-fill tank may be difficult for some people to handle.
Although it does work with tap water, you need to purchase Venta Water Treatment Additive which adds to the cost of running the machine.
It is not as aesthetically pleasing as some other devices.
What customers are saying about the Venta LW15 Evaporative humidifier
Buyers found that this device is ideal for keeping humidity levels constant in their homes. They reported that the machine does not create white dust.
Many users were amazed at the pollutants found in the base when cleaning. They were pleased that these pollutants were removed from the air they breathed. The humidifier is also known as an airwasher for this reason.
People liked the simple, yet very effective design.
FAQs
Does the machine require filters?
No, it does not use filters.
Must I use purified or distilled water?
No, you can use normal tap water with Venta Water Treatment Additive which you can purchase online.
Is it difficult to operate?
No, this device is easy to operate with one button for power and selection of the mist level.
Is it easy to fill?
The machine has a bottom-fill design. Opening the machine and carrying the base to a water source may be difficult for some people.
Venta LW15 Small Evaporative Humidifier vs the competition
This model really stands out from the competition as an air purifier and humidifier due to its design that offers continuous running 24/7 to humidify and cleanse the air.
It consists of only two parts and a motor. The machine does not need filters and can run with tap water.
Low noise level and an automatic shut-off feature.
Specifications
Product Name – Venta LW15 Evaporative humidifier
Product Brand – Venta
Tank Size – 1.4 Gallon / 6.36L
Top Filling tank – No
Time between fills – Check and top up daily
Recommended Room size – Up to 300 sq ft based on 8 ft ceilings
Color – Black or white
Material – Plastic
Summary
We selected the Venta LW15 Evaporative humidifier as one of our recommendations because it has a simple design and runs effectively 24/7 to humidify and clean the air.
The device uses tap water and no filters. It has 2 levels of mist settings and an LED status display.
For safety, there is an automatic shut-off function. You can add Venta Aromatherapy liquid for fragrance.



Information: The Everything Humidifier team has experienced or researched each product we recommend on this website. We aim to keep up with innovative new products and continuously improve our information. Note – the suggestions we provide are our opinions not specific recommendations for your circumstances.
Medical Disclaimer: The effects of humidity vary from person to person, if you have a medical condition that may be affected by increased humidity, it’s a good idea to talk to your doctor before purchasing a humidifier. We are not medical professionals. Any information relating to medical symptoms is of a general nature only.