Bedroom
Buying guides for bedroom, ranked by the noise figures makers publish.
Quietest BiPAP machine: ResMed AirCurve noise figures, sorted by ISO test edition
ResMed's AirCurve 10 VAuto and S declare 25 dBA, or 27 with humidification, under ISO 80601-2-70:2015. The AirCurve 11 VAuto and ASV declare 26 and 27 dBA under the 2020 edition, so each pair is ranked alone. React Health gives its Luna G3 BPAP a ceiling only.
Quietest nebulizer: four compressor figures from the makers, and a mesh unit bounded under 23 dBA
Omron lists approximately 45 and 52 dBA for its US compressor nebulizers, Drive DeVilbiss prints 51 to 55 dBA for the Pulmo-Aide and 54 for the Traveler, and Omron's mesh MicroAir is bounded under 23 dBA. Every figure with its condition, and why mesh and compressor units sit in separate groups.
Quietest breast pump: the decibel figures Elvie, Medela, Zomee and others publish
Elvie prints 32dB for the Elvie Pump and Medela 38 dB for its Magic InBra, the lowest stated figures we found. Zomee states 46 decibels for its Z2 double pump. No maker names a distance or weighting, and many print only a ceiling such as under 45 dB, which we list apart.
Quietest CPAP machine: the home and travel units with a declared ISO noise figure
ResMed's AirSense 11 and AirSense 10 declare 25 dBA with the side cover and 27 dBA with the water tub, both under ISO 80601-2-70. For travel, the AirMini declares 29 dBA and the Transcend Micro 510 31 dBA. Philips and Fisher & Paykel no longer sell their machines new in the US.
Quietest oxygen concentrator: portable and home units at the setting each maker tested
Drive DeVilbiss prints 37.5 dBA at setting 2 for its iGo2 portable and Inogen 38 dBA for the One G5. Among home units on continuous flow, CAIRE's US manual gives the VisionAire 5 39,53 dB(A) at 3 LPM. Pulse-dose portables and continuous-flow units are compared only within their own group.
The quietest mini fridges, by the makers' own noise figures
Summit's MB41B lists a laboratory-tested 32.9 dB and defrosts itself, which makes it our pick for a room you sleep in. Most mini fridge makers publish no noise figure at all. See which type of fridge suits a bedroom, and which models clear college limits on size, amps and the UL mark.