Alen’s medical-grade filtration is highly effective thanks to powerful yet quiet airflow, ensuring pure air for your entire room. As an added safeguard, Alen’s proprietary antimicrobial treatment kills mold and bacteria. As a light sleeper, I thought utilizing the purifier in the bedroom would be a no-go area. However, I was pleasantly surprised to find on the lowest setting, it is barely noticeable. I also had no issues on the second lowest setting, which may have even helped send me off to sleep with its gentle ASMR pink noise hum. Rather than a mere design feature, this light’s color indicates the air quality in the room.
The 75i gets quite loud when things start running at higher levels; I often ended up manually turning it down to quiet the room. This review is part of TechHive’s in-depth coverage of the best air purifiers. Long-lasting True HEPA (H13) filters remove 99.99% of airborne contaminants down to 0.1 microns, including allergens and aerosolized viruses.
And our beautifully designed, whisper-quiet units do it without disrupting your conversations or your lifestyle. While we all want to be in a room breathing clean air, some machines are simply too noisy and distracting to make it feel worthwhile. In order to see just how noisy each device was, we turned each one on and measured the sound output with a decibel reader.
Ranging from $69 for a basic filter to $119 for the premium option, this is a notable expense to be paid out and should be seriously considered before purchasing. Running this air purifier will cost less than you think, thanks to its Energy Star-rated efficiency – even if you leave it running on auto mode around the clock, as Alen recommends. During the day, with the purifier set to auto, it occasionally ramped up the fan speed to higher levels. This creates a lot of noise and can be distracting, especially if working or even watching TV or listening to music. Of course, this can easily be adjusted to suit the user and limited to lower speeds when needed. His apartment has become a de facto HouseFresh test lab where he pits the latest clean air technology against the perils of city center life.
Noise is based in instrument measurements with the model running at a low speed. The lowest speed may provide even quieter operation but will not be as effective at cleaning the air. The amount of electricity the device uses and how often you have to replace filters.
When he’s not putting a purifier through its paces, Paul likes to endlessly dig through dusty record shops (making his dust-free apartment even more important). Auto Mode intelligently adjusts its cleaning power to achieve the best air quality while maximizing air filter life while saving energy and money. Auto mode allows our intelligent sensor technology to adjust to your changing environment. LED indicator always lets you know the status of the air quality around you.
Models that have the Energy Star rating will use less energy than comparable products. Despite being a powerful machine, it doesn’t take up too much space and as far as white goods go, sits comfortably in my living space, bedroom or office. Due to its relatively lightweight, it’s easy to maneuver from room to room and can slot nicely into the corner or a cupboard when not in use. The Alen BreatheSmart 45i performed excellently, cleaning our test room of all particle pollutants in 33 minutes.
Unique to the BreatheSmart line is the availability of six different color schemes for that massive front panel, ranging from a soothing graphite pattern to a brushed stainless steel look to a faux oak grain. SleepScore Validated products have been shown to improve sleep in SleepScore Labs’ extensive studies. This is your assurance that the product works as described for many people and has been evaluated at a higher level than the rest of the curated products. Upon opening the box to the purifier, you’re met with a simple one-sheet instruction manual, with the header “PREPARE TO CHANGE YOUR AIR” written across the top in large letters.
To measure the amount of electricity used, we hooked the device up to a watt reader and recorded how many kilowatts per hour it used while running on a medium setting. Assuming 12 hours of use per day, it costs around $9.00 to run the BreatheSmart 75i for a year. While quite a few devices were cheaper to run, this was nowhere near the highest annual cost. For those looking for a quiet and powerful purifier for under $450.00 and are happy to pay extra for the lifetime guarantee and smart features, the Lasko Box Fan 45i could be the air purifier for you. The app isn’t the most intuitive, in part because it seems to be designed to service multiple devices instead of just one. All status indicators include the number of devices which are in the given state, so you might see “1” running, “1” with “blue” air quality, and “1” with good filter life.
By putting it through its paces in various real-world tests, it proceeded to tick all the boxes. Working well at eliminating odors from cooking and nearby breweries and noticeably reducing allergies to pollen and dust while being extremely simple to operate and maneuver around the home. Alen states the sound levels of the purifier are 39 dB at speed 1, 42 dB at speed 2, 49 dB at Speed 3, and reaching 55 dB on turbo.