--- title: "Best Compact Air Purifiers for Bedroom Comfort" canonical: "https://getfitwithandrei.com/best-compact-air-purifiers-for-bedroom-comfort/" author: "Andrei" published: "2026-10-28T03:00:00+00:00" modified: "2026-10-15T12:12:42+00:00" language: "en-US" site: "Get Fit With Andrei" description: "The best best compact air purifiers for bedroom comfort for most people is the Levoit Air Purifiers Bedroom Home Pets, a smallformat unit whose low…" categories: "Muscle Building" attribution: "Get Fit With Andrei (https://getfitwithandrei.com/)" --- # Best Compact Air Purifiers for Bedroom Comfort The best **best compact air purifiers for bedroom comfort** for most people is the Levoit Air Purifiers Bedroom Home Pets, a small-format unit whose low setting verified buyers consistently describe as quiet enough to sleep beside. It suits dorms, nurseries and standard bedrooms, and it's the pick we'd hand a first-time buyer. Want more coverage instead? The FULMINARE H13 True is rated up to 1086 sq ft, as long as you accept louder top-end fan noise and a bigger cabinet. *As an Amazon Associate, I earn from qualifying purchases.* This guide covers what most roundups skip: how a HEPA grade differs from a CADR number, what replacement filters quietly cost you each year, and the rooms where a compact purifier is simply the wrong tool. Plenty of buyers should skip this category, and we say so below. One honesty note. Everything here comes from current Amazon product data, manufacturer specifications and each model's owner track record, not hands-on lab testing. [How we draw that line](https://getfitwithandrei.com/disclaimer/) matters to us. ## Quick Answer: The Best Compact Air Purifiers for Bedroom Comfort Short answer: the Levoit Air Purifiers Bedroom Home Pets wins on quiet overnight operation and small-room coverage, and it's the unit we'd point most bedroom buyers toward first. - **[Levoit Air Purifiers Bedroom Home Pets](https://www.amazon.com/dp/B09GTRVJQM?tag=getfitwithandrei-20)** (Best overall): Near-silent sleep setting for dorms, nurseries and standard bedrooms. - **[Air Purifiers Bedroom FULMINARE H13 True](https://www.amazon.com/dp/B0B4ZSKPNL?tag=getfitwithandrei-20)** (Best for large rooms): H13 True HEPA filtration rated up to 1086 sq ft. - **[Levoit Air Purifier Home Pets Hair](https://www.amazon.com/dp/B07VVK39F7?tag=getfitwithandrei-20)** (Best for pet hair): Highest owner rating here, tuned for dander and shedding. - **[VOOPNU Air Purifiers Home](https://www.amazon.com/dp/B0DY4S3HP2?tag=getfitwithandrei-20)** (Best for set-and-forget): Wide coverage with simple physical controls and no app. - **[Purivortex Air Purifiers Bedroom](https://www.amazon.com/dp/B0B9SL7894?tag=getfitwithandrei-20)** (Best for allergy rooms): 880 sq ft coverage at the friendliest value point. Thinking about a whole-home HVAC filter or a dehumidifier instead? Jump to Who Should NOT Buy below before you spend anything. ## Comparison Table Here's the lineup at a glance: photo, product, who it's built for, and our /10 score. | Photo | Product | Best for | Score | Buy | | --- | --- | --- | --- | --- | | | Levoit Air Purifiers Bedroom Home Pets | Most bedrooms and dorms | 9.1/10 | Check price → | | | Air Purifiers Bedroom FULMINARE H13 True | Large open-plan bedrooms | 8.8/10 | Check price → | | | Levoit Air Purifier Home Pets Hair | Pet owners and allergy sufferers | 8.6/10 | Check price → | | | VOOPNU Air Purifiers Home | Set-and-forget guest rooms | 8.3/10 | Check price → | | | Purivortex Air Purifiers Bedroom | Small allergy-focused bedrooms | 8.0/10 | Check price → | *Scroll sideways on small screens to see every column.* ## Levoit Air Purifiers Bedroom Home Pets: Best Overall for Bedroom and Dorm Use #1[![Levoit Air Purifiers Bedroom Home Pets](https://m.media-amazon.com/images/I/71wGv7Fh2AL._AC_UY218_.jpg)](https://www.amazon.com/dp/B09GTRVJQM?tag=getfitwithandrei-20)[Levoit Air Purifiers Bedroom Home Pets](https://www.amazon.com/dp/B09GTRVJQM?tag=getfitwithandrei-20)LevoitCompact, near-silent sleep mode**9.1**OUT OF 10Air cleaning power9.0Quiet operation9.4Filter and upkeep9.0Owner verdict9.0**This is the pick for anyone sleeping in a room under roughly 200 sq ft.** The Levoit Air Purifiers Bedroom Home Pets is sized for dorms, nurseries, guest rooms and standard bedrooms rather than open floors. In our review of owner feedback, the recurring theme isn’t raw power. It’s that people forget the thing is switched on.Levoit’s compact line runs a three-stage path: a pre-filter for larger debris, HEPA media for fine particles, and an activated carbon layer for cooking and pet odours. Sleep mode dims the display and drops the fan to its lowest setting. Verified buyer reviews repeatedly say that low speed fades into background noise within minutes.**Flaws but not dealbreakers.** Compact doesn’t mean silent at every speed. Several owners note that medium and high are clearly audible, so this isn’t a unit you’d run flat out during a call. Filter swaps also follow a schedule, and letting them slide quietly kills real-world performance.Cleaning a bigger room? The [FULMINARE H13 True](https://www.amazon.com/dp/B0B4ZSKPNL?tag=getfitwithandrei-20) is rated up to 1086 sq ft and can handle one open-plan bedroom on its own.⚠**Sizing:** This one is built for small rooms. Drop it into an open-plan living space and you’ll wait a long time for a full air exchange.Pros - ✓Three-stage filtration with a carbon layer that tackles cooking and pet smells - ✓Sleep mode dims the lights and drops fan noise to near-silent - ✓Compact footprint fits a nightstand or dorm desk without crowding it - ✓Owner rating sits at 4.6 out of 5 across a very large review base Cons - ✕Audible on medium and high, so treat it as a sleep-and-low-speed unit - ✕Replacement filters are a recurring cost you have to plan for - ✕Won’t keep pace with smoke-heavy rooms or large open spaces Filtration3-stage HEPA + carbonRoom FitDorms and standard bedroomsFilter ChangeEvery 6 to 8 monthsWarranty2-year standard**Best for:** Buyers who want a quiet, compact bedside purifier for a dorm, nursery or average-size bedroom.[Check current price on Amazon →](https://www.amazon.com/dp/B09GTRVJQM?tag=getfitwithandrei-20) ## Air Purifiers Bedroom FULMINARE H13 True: Best for Large Open-Plan Rooms #2[![Air Purifiers Bedroom FULMINARE H13 True](https://m.media-amazon.com/images/I/71UoENKnfkL._AC_UY218_.jpg)](https://www.amazon.com/dp/B0B4ZSKPNL?tag=getfitwithandrei-20)[Air Purifiers Bedroom FULMINARE H13 True](https://www.amazon.com/dp/B0B4ZSKPNL?tag=getfitwithandrei-20)AirH13 rate up to 1086 sq ft**8.8**OUT OF 10Air cleaning power9.3Quiet operation8.2Filter and upkeep8.8Owner verdict8.8**This is the unit for a big master bedroom or an open-plan loft where a compact model just can’t keep up.** The FULMINARE carries an H13 True HEPA rating, which is the top end of the HEPA scale for fine particle capture, and its stated coverage runs up to 1086 sq ft. That’s roughly five times the footprint of a dorm room.Owner feedback splits cleanly. People with smaller rooms rarely push past the low speed. People with larger rooms report running it on high for a full air exchange, and that’s where noise complaints cluster. Independent readings aren’t published per unit, so treat the coverage figure as the manufacturer’s number rather than a lab-verified one.**Flaws but not dealbreakers.** High speed is noticeably loud, and that’s the honest trade for more airflow. Owners also mention the cabinet feeling bigger than photos suggest, so measure your nightstand before you commit. Filter changes follow the same six-to-eight-month rhythm as the rest of this list.Want the exact opposite trade-off? The [Levoit compact model](https://www.amazon.com/dp/B09GTRVJQM?tag=getfitwithandrei-20) at the top of this guide stays quieter on low and fits a nightstand.⚠**Noise:** High speed is genuinely audible. If you’re a light sleeper, run it on low overnight and give it a head start an hour before bed.Pros - ✓H13 True HEPA grade, the highest filtration tier in this lineup - ✓Stated coverage up to 1086 sq ft, roughly five times a dorm room - ✓Handles a full open-plan bedroom on one unit instead of two - ✓Owner rating sits at 4.4 out of 5 with strong repeat-buyer mentions Cons - ✕High-speed fan noise draws the loudest owner complaints - ✕Physically larger than the compact picks, so space matters - ✕Not the right buy for a dorm or a nursery-sized room FiltrationH13 True HEPARoom FitUp to 1086 sq ftFilter ChangeEvery 6 to 8 monthsWarranty1-year typical**Best for:** Owners of larger master bedrooms or open-plan spaces who want one purifier to do the whole job.[Check current price on Amazon →](https://www.amazon.com/dp/B0B4ZSKPNL?tag=getfitwithandrei-20) ## Levoit Air Purifier Home Pets Hair: Best for Pet Hair and Dander #3[![Levoit Air Purifier Home Pets Hair](https://m.media-amazon.com/images/I/71t-9BTIg9L._AC_UY218_.jpg)](https://www.amazon.com/dp/B07VVK39F7?tag=getfitwithandrei-20)[Levoit Air Purifier Home Pets Hair](https://www.amazon.com/dp/B07VVK39F7?tag=getfitwithandrei-20)LevoitTuned for dander and shedding**8.6**OUT OF 10Air cleaning power8.6Quiet operation8.8Filter and upkeep8.4Owner verdict8.6**If you share a bedroom with a cat or dog, this is the model we’d shortlist first.** It carries the highest owner rating in this lineup at 4.7 out of 5, and the product title itself is built around pet hair, dander and bedroom allergens. That’s not marketing fluff here. It’s a design brief.The unit runs a three-stage filtration stack with a HEPA layer that traps the fine particles pet dander rides on, plus a carbon stage aimed at litter-box and “wet dog” smells. Verified buyer reviews from pet owners mention a noticeable reduction in that stale animal smell within the first week of overnight use.**Flaws but not dealbreakers.** Pet hair is a two-part problem. This purifier handles the airborne dander, but the fur on your duvet, carpet and sofa is a job for a vacuum and a lint roller. Owners with heavy shedders report needing to clean the pre-filter more often than the manual recommends.Got a bigger room and a big dog? The [FULMINARE H13](https://www.amazon.com/dp/B0B4ZSKPNL?tag=getfitwithandrei-20) pushes coverage to 1086 sq ft, though it runs louder on high.⚠**Care:** With a shedding pet in the room, check the pre-filter monthly. A clogged intake is the number-one reason owners think their purifier stopped working.Pros - ✓4.7 out of 5 owner rating, the highest across this five-pick lineup - ✓Built around pet hair, dander and bedroom allergens from the ground up - ✓Carbon layer that owners say targets litter-box and wet-dog odours - ✓Quiet enough on low to run continuously through the night Cons - ✕Won’t remove settled fur from bedding, carpet or upholstery - ✕Heavy shedders push you into more frequent filter changes - ✕Coverage is bedroom-scale, not whole-floor FiltrationHEPA + carbon stageRoom FitBedrooms with petsFilter ChangeEvery 6 to 8 monthsWarranty2-year standard**Best for:** Pet owners and allergy sufferers who share a bedroom with a cat or dog and want dander and odour handled overnight.[Check current price on Amazon →](https://www.amazon.com/dp/B07VVK39F7?tag=getfitwithandrei-20) ## VOOPNU Air Purifiers Home: Best Set-and-Forget Option for Guest Rooms #4[![VOOPNU Air Purifiers Home](https://m.media-amazon.com/images/I/61ILVPCouhL._AC_UY218_.jpg)](https://www.amazon.com/dp/B0DY4S3HP2?tag=getfitwithandrei-20)[VOOPNU Air Purifiers Home](https://www.amazon.com/dp/B0DY4S3HP2?tag=getfitwithandrei-20)VOOPNUWide coverage, one-button control**8.3**OUT OF 10Air cleaning power8.6Quiet operation8.2Filter and upkeep8.0Owner verdict8.4**This is the pick for a guest room, rental or airbnb space where you don’t want to teach anybody an app.** The VOOPNU keeps its controls physical and simple, and the manufacturer rates it up to 1076 sq ft with a high-efficiency filter. That’s coverage close to the FULMINARE, from a slightly different design school.The case for it is set-and-forget. Plug it in, pick a speed, walk away. Verified owner reviews mention that the low setting is quiet enough for overnight guests, and that the white finish disappears against most bedroom walls. Owners also flag that it’s easy to forget you own it, which for a guest room is exactly the point.**Flaws but not dealbreakers.** The filter replacement cadence is the fine print here. Owners report the unit running fine well past the manual’s recommended window, and honestly, filter life depends far more on your dust load than the calendar. Second, the fan has a faint motor hum on high that a truly silent bedroom purifier like the top pick avoids.Prefer app control and scheduling? The [Purivortex PX500](https://www.amazon.com/dp/B0B9SL7894?tag=getfitwithandrei-20) further down leans more into that direction.⚠**Compatibility:** Stick with the manufacturer’s replacement filters. Third-party sizes often fit loosely and let unfiltered air bypass the HEPA media.Pros - ✓Stated coverage up to 1076 sq ft from a relatively compact cabinet - ✓Physical controls only, no app pairing or account required - ✓White finish blends into most guest-room and rental interiors - ✓Low speed quiet enough for overnight guest use, per owner reviews Cons - ✕Faint motor hum on high speed that pickier sleepers notice - ✕No scheduling or air-quality readout for the price tier - ✕Filter life depends heavily on your room’s dust load, not the calendar FiltrationHigh-efficiency filterRoom FitUp to 1076 sq ftFilter ChangeEvery 6 to 8 monthsWarranty1-year typical**Best for:** Guest-room and rental owners who want coverage and simplicity without a smartphone app in the loop.[Check current price on Amazon →](https://www.amazon.com/dp/B0DY4S3HP2?tag=getfitwithandrei-20) ## Purivortex Air Purifiers Bedroom: Best Value for Allergy-Focused Bedrooms #5[![Purivortex Air Purifiers Bedroom](https://m.media-amazon.com/images/I/71-26rsjmXL._AC_UY218_.jpg)](https://www.amazon.com/dp/B0B9SL7894?tag=getfitwithandrei-20)[Purivortex Air Purifiers Bedroom](https://www.amazon.com/dp/B0B9SL7894?tag=getfitwithandrei-20)Purivortex880 sq ft at a value price point**8.0**OUT OF 10Air cleaning power8.2Quiet operation8.0Filter and upkeep7.8Owner verdict8.0**If allergies are the whole reason you’re shopping, and you want to spend as little as makes sense, this is the value pick.** The Purivortex PX500 in black covers up to 880 sq ft and holds a 4.5 out of 5 owner rating. That’s a lot of coverage for a small-bedroom price tier.Owners in allergy season describe the biggest win as daytime relief, not overnight. Run it in the bedroom during the afternoon with the door shut, and the air feels different by the time you come back in the evening. The carbon stage also picks up cooking odours drifting from a nearby kitchen, which owners of studio layouts mention more than you’d expect.**Flaws but not dealbreakers.** The efficiency at the value end is real, and so are the trade-offs. Filter availability occasionally lags, so buying a spare when you first unbox it is a smart move. Second, the filter-life indicator is basic compared with app-equipped rivals, so you’ll want to mark your own calendar.Want the highest owner rating in this lineup instead? The [Levoit pet-focused unit](https://www.amazon.com/dp/B07VVK39F7?tag=getfitwithandrei-20) ties for cheapest of the premium tier and sits at 4.7 out of 5.⚠**Care:** Don’t vacuum the HEPA media itself. Vacuuming damages the pleats and drops efficiency. Use a soft brush on the pre-filter and replace the inner filter on schedule.Pros - ✓Coverage up to 880 sq ft from a compact-footprint cabinet - ✓4.5 out of 5 owner rating with strong allergy-season feedback - ✓Black finish hides dust better than white in a darker room - ✓Carbon stage that owners say handles cooking odours in studio layouts Cons - ✕Filter availability occasionally lags, so stock a spare upfront - ✕Basic filter-life indicator compared with app-equipped rivals - ✕Not the quietest on high speed in this lineup FiltrationMulti-stage with carbonRoom FitUp to 880 sq ftFilter ChangeEvery 6 to 8 monthsWarranty1-year typical**Best for:** Allergy-driven shoppers who want serious coverage at the friendliest value tier of this lineup.[Check current price on Amazon →](https://www.amazon.com/dp/B0B9SL7894?tag=getfitwithandrei-20) ## Buying Guide: Coverage, Filtration Grade, Noise and Filter Costs The single biggest mistake bedroom purifier buyers make is buying for the room they have rather than the room they wake up in. Three of the picks here are sized for a dorm or a standard bedroom. Two are sized for open-plan space. Match the wrong one and you'll either waste money on capacity you don't need or run a small unit flat out all night. ### How much coverage do you actually need? Coverage ratings are quoted at the highest fan speed, and that high speed is never the one you'll sleep next to. A unit rated up to 1086 sq ft, like the [FULMINARE H13](https://www.amazon.com/dp/B0B4ZSKPNL?tag=getfitwithandrei-20), is rated that high because the fan can push enough air at maximum. Realistically, in a bedroom you'll run it on low or medium, which is somewhere around a third to half of that stated figure. Here's the simple math. Measure your room's square footage (length times width). If you're under 200 sq ft, a compact unit is enough. Between 200 and 500 sq ft, aim for the mid-tier options. Above 500 sq ft, you want the higher coverage units in this lineup. A purifier that's oversize for the room isn't a problem. A purifier that's undersize for the room is just an expensive fan. ### What does the HEPA rating actually mean? HEPA stands for High-Efficiency Particulate Air, and it's a filtration standard rather than a marketing word. The honest version of the definition: a true HEPA filter captures 99.97% of particles at 0.3 microns, which is the size class that covers most pollen, dust mite debris and smoke particles. An H13 rating sits at or above that bar in the European standard scale. What that means for you: an H13 unit like the FULMINARE will capture finer particles than a generic "HEPA-type" filter, and that matters most for allergy and asthma triggers. For pet hair and odours, the carbon layer matters just as much. That's why models like the [Levoit pet-specific pick](https://www.amazon.com/dp/B07VVK39F7?tag=getfitwithandrei-20) pair HEPA media with a carbon stage, because you need both sections working together. If you want the primary source on indoor air filtration, the U.S. EPA publishes [indoor air quality guidance](https://www.epa.gov/indoor-air-quality-iaq) worth a read. ### Is a quiet purifier worth paying more for? Yes, if you're running it overnight. Sleep disruption is the failure mode of cheap bedroom purifiers. If the noise keeps you awake, you turn it off, and then it does nothing. That's why the quiet setting matters more than the peak airflow number for bedroom use. Dimension-by-dimension, the quietest pick here is the Levoit compact at the top of the list. The two mid-tier picks are audible on high but fine on low. The remaining two sit comfortably in the middle. If you're a very light sleeper, budget your money toward the quietest low-speed unit rather than the biggest coverage number. ### What do replacement filters really cost you? Every purifier on this list runs on a filter change every six to eight months under normal bedroom use. That's roughly two filter swaps a year, and the cost varies by model. Add it up before you buy, because the cheapest purifier upfront can be the most expensive one to own. Two practical rules. First, filter life depends far more on your dust load and pet situation than on the manual's calendar. A home with two shedding dogs will burn through filters faster than a home with no pets. Second, buy a spare when you first order the purifier. Filter stock occasionally lags, and a purifier with no replacement filter is a piece of furniture. If you want a broader read on how small-space gear fits into a home setup, our piece on [small-space equipment picks](https://getfitwithandrei.com/best-weights-for-small-home-gym/) covers a similar purchasing mindset. ✅ Best Air Purifier for Bedroom – Top 5 HEPA Air Purifiers via Harry B ## Who Should NOT Buy Best Compact Air Purifiers for Bedroom Comfort This category is the wrong purchase for three kinds of buyers. Here's who they are, and what to look at instead. ### You Need to Filter an Entire House A single bedroom purifier won't fix whole-home air quality. The coverage numbers you see on these units are room-scale, and airflow falls off dramatically past a closed door. If the problem is your furnace filter or your entire HVAC system, a single plug-in unit is a band-aid. Look at a whole-home solution instead. That means a proper MERV-rated HVAC filter in your furnace return, or a whole-home purifier installed at the air handler. That's a different purchase with a different installation story, and it's the right call if every room smells the same. ### You Need to Remedy High Humidity or Mold Air purifiers filter particles. They don't fix moisture. If your bedroom smells musty, your windows fog up overnight, or you see condensation on the inside of the glass, the problem is humidity, not particles. A dehumidifier is the correct tool. Most bedrooms want relative humidity between 30% and 50%, and above 60% you're in mould-friendly territory regardless of how good your HEPA filter is. Fix the moisture first, and then consider a purifier if you still have particle concerns. ### You Need Smoke Removal in a Room Someone Smokes In Compact bedroom purifiers manage drifting smoke from a fireplace or a neighbour, but they cannot keep up with someone actively smoking indoors. The particle load is too high, and the filter saturates quickly. If you smoke indoors, look at units with a much larger carbon stage specifically rated for smoke, or better yet, address the source. No HEPA-only unit in this price tier will win that fight, and owners who try report filter replacement costs climbing fast. One more note on health claims. If you have a diagnosed respiratory condition, this guide is buying help, not medical advice. Talk to your clinician about what's appropriate for your home. Our [full disclaimer](https://getfitwithandrei.com/disclaimer/) covers that boundary, and you can [reach the team](https://getfitwithandrei.com/contact-us/) with questions about how we research. ## Final Verdict For most bedrooms, the answer is the [Levoit Air Purifiers Bedroom Home Pets](https://www.amazon.com/dp/B09GTRVJQM?tag=getfitwithandrei-20). It wins on the two things that actually matter overnight: quiet operation and right-sized coverage. The 4.6 out of 5 owner rating over a very large review base backs that up, and the three-stage filtration handles the smells and particles that wake people up. Want more coverage instead? Get the [FULMINARE H13 True](https://www.amazon.com/dp/B0B4ZSKPNL?tag=getfitwithandrei-20). It's rated up to 1086 sq ft, carries the highest filtration grade here, and it's the right buy for an open-plan bedroom or a loft. Accept the louder high speed as the price of admission. Need pet-focused filtration? The [Levoit pet model](https://www.amazon.com/dp/B07VVK39F7?tag=getfitwithandrei-20) sits at the top of the owner ratings at 4.7 out of 5 and is designed for dander and odour. Want the simplest possible setup for a guest room? The [VOOPNU](https://www.amazon.com/dp/B0DY4S3HP2?tag=getfitwithandrei-20) skips the app entirely and still rates up to 1076 sq ft. On the tightest budget with allergies as the driver? The [Purivortex PX500](https://www.amazon.com/dp/B0B9SL7894?tag=getfitwithandrei-20) covers 880 sq ft at the value end of this lineup. If any of the three skip cases above describe you, head back to the Who Should NOT Buy section before you spend anything. The Best Small Air Purifiers We Tested in 2026 via HouseFresh ## FAQ ### What's the best Compact Air Purifiers for Bedroom Comfort overall? The Levoit Air Purifiers Bedroom Home Pets takesthe top spot because it balances quiet low-speed operation with coverage sized for a typical bedroom. It holds a 4.6 out of 5 owner rating and runs a three-stage filter with a carbon layer for odours. ### How many square feet does a bedroom purifier need to cover? Match the number to the room you actually sleep in, not the whole floor. Anything under 200 sq ft suits a compact unit like the top pick. Between 200 and 500 sq ft you want a mid-tier model, and above 500 sq ft look at the higher-coverage units rated toward 880 to 1086 sq ft. ### Do I need a HEPA filter in a bedroom purifier? Yes, if particles are the concern. A true HEPA filter captures 99.97% of particles at 0.3 microns, which covers most pollen, dust mite debris and smoke. An H13 grade, like the FULMINARE H13 True, sits at or above that bar and is the highest filtration tier in this lineup. ### Will a small air purifier help with pet allergies? It helps with the airborne half of the problem. A HEPA stage traps pet dander, and a carbon stage handles the litter-box and wet-dog smell that owners complain about most. It won't remove settled fur from bedding or carpet, so pair it with regular vacuuming and washing. ### How often do I change the filter? Most models here run on a six-to-eight-month change under normal bedroom use. That works out to roughly two swaps a year. If you have pets or heavy dust, expect to change sooner, because filter life tracks your particle load far more than the calendar. ### Are these purifiers loud at night? That depends on which speed you run. Every pick here is sleep-friendly on its lowest setting, and the Levoit compact at the top of the list is the quietest of the five. Medium and high are noticeably louder on most units, so a good trick is running a higher speed for an hour before bed, then dropping to low overnight.