Venta Airwasher LW45 Review

Capable of raising humidity levels while tending to eliminate impurities from the indoor air, the LW45 Airwasher is a necessity in households where allergy sufferers and asthmatics reside.

Venta Airwasher LW45 Ratings

DESIGN - 98%



Capable of raising humidity levels while tending to eliminate impurities from the indoor air, the LW45 Airwasher is a necessity in households where allergy sufferers and asthmatics reside.

User Rating: 2.43 ( 68 votes)

Dry air indoors and pollutants that lurk in it are the two main culprits to why you’re not feeling good when you’re at home. Given how your health is your main concern and how easy it is for it to tremble in front of diseases once the immune system stops doing its job properly, you’re obliged to do your best when it comes to creating a safe and pleasant environment at home.

An air purifier and humidifier combo product can handle moisturizing indoor air, raising it to proper levels, while tending to the elimination of airborne pollutants that endanger your health. Get rid of two problems with one stone by using the Venta Airwasher LW45 air purifier and humidifier, an appliance that will help create the ideal habitat for you. Coming at a reasonable price and being produced by one of the industry-leading manufacturers at the moment, it’s a safe investment to go with.

Technical Specifications

Seeing how this is a 2-in-1 product, there’s more ground to cover when it comes to technical specifications. Let’s start with the area coverage that it provides. This air quality boosting device can handle areas of up to 800 square feet, so large spaces like the attic or the basement – in case you have a dry basement by any chance, although it’s highly unlikely – will be perfect locations to settle it and let it perform its job.

What makes it truly special is the fact that there is doesn’t actually feature any filters, using water as a filtration media for impurities that reside in the air you breathe. This no filter design delivers hassle-free maintenance and operation, reducing operational costs dramatically when compared to other air purification systems on the market. When it comes to the humidification device’s performance, know that the 3-gallon water reservoir ensures you won’t be doing too many trips to refill it. Thus, you won’t be inconvenienced by as it’s designed with your comfort in mind.

In terms of energy efficiency, the unit’s performance relies mostly on the speed setting that you choose. When set on the lowest speed, it consumes 3 watts, when it’s on medium, it consumes 5 watts, and when it’s set on the highest speed setting, it consumes up to 8 watts. Regardless of the setting that you prefer, energy consumption isn’t an issue with this appliance. Another aspect worth mentioning is the fact that it produces only 42 dB on the highest speed setting, so you won’t even notice its presence when you’ll be in the same room.

Specifications Sheet

Specs LW45
Dimensions 17.7” x 11.8” x 13”
Weight 13 Lbs
Area Coverage 800 Square Feet
Noise Level 42 dB
Power Consumption 5 – 8 Watts
Fan Speeds 3
Filter Type Filter-Less Design
Timer Function No
Warranty 10 Years


There are no actual filtration stages to talk about, but there are three different speed settings to choose from. Choose the speed that you find most appropriate for your needs, and you’ll basically establish how fast the air purification and humidification process should be. Capable of eliminating almost all airborne pollutants, the Venta Airwasher LW45 is a quite dependable system. With it, you’ll ensure that indoor air is finally free of dust mites, bacteria, viruses, germs, mold spores, pollen, and so other allergens. Also, as it enhances air moisture levels, it reduces unpleasant odors. Last but not least, due to the fact that it ensures a proper humidification of indoor air, it helps reduce static electricity, and it aids in the quality preservation of musical instruments and wooden furniture.


Probably the highlight of this air purifier and humidifier product feature-wise is the automatic shut-off that enhances safety in use and energy efficiency. But this isn’t the only surprise awaiting you if you start using the Venta Airwasher LW45 as it comes with numerous other features as well. For one, you have the useful refill indicator light that eliminates guesswork by showing you when the water reservoir requires a refill.

Although it doesn’t come with any specific energy consumption reducing features, the purification system itself is designed to be energy efficient. Thus, there is no real need for features like a timer setting or a standby mode. What it does feature is the cold water evaporation technology that enables it to clean the air of impurities and enhance air moisture, all without producing the undesirable “white dust” that products in this niche generally deliver. From all points of view, it’s an outstanding home appliance that should be found in all modern households.


The Venta Airwasher LW45 air purifier and humidifier combo product might not be the most appealing product in its niche design-wise, but what is undeniable is the fact that it’s compact enough to fit in any household. It measures 17.7 inches in depth, 11.8 inches in width, and 13 inches in height, and it weighs only 13 pounds. This makes it ideal for those who live in large houses and plan on using it in different areas, the portability of the device making it easy to move by a single person.

It comes in white or black, so you can choose the finish that best suits your house’s design. It might not feature rolling casters, but this isn’t an important flaw considering the aforementioned information regarding its compact and lightweight construction that makes it portable. Additionally, it features a very simplistic design that makes it appropriate for use by people of all ages as there are no complicated controls and intricate displays to work with.

Warranty and Support

Venta is a reputable appliance manufacturer, so the 10-year warranty offered by this brand for the LW45 air purifier and humidifier doesn’t come as a surprise at all. We’re hyped about the long warranty aspect as it shows that the manufacturer trusts the product, backing it up as its build and performance are most likely infallible. When confronted with any type of operational difficulty or malfunction, you can contact the customer support department at Venta for a quick and easy solution. Also, you could try checking the user manual that comes with the air purification and humidification appliance to see if the information you’re looking for is listed in it.

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