Home oxygen concentrators are medical devices used to take oxygen from the air and deliver it, at higher concentrations, to a patient in need of oxygen therapy. In addition to the features of performance and reliability, the noise generated during use also plays an important role.

A silent oxygen concentrator can make all the difference for those needing to use oxygen while they sleep, elderly patients who are noise-sensitive or families living in crowded spaces where noise is a problem.

The noise level measurement uses decibels (dB) as the standard unit. Quieter models operate at sound levels comparable to library whispers or gentle conversations between friends. This guide will assist Australians in finding the quietest home oxygen concentrators on the market in 2025, so that you are able to receive your therapy without sacrificing peace and quietness.

Section 1: Key Features to Consider When Choosing a Quiet Oxygen Concentrator

Several critical factors deserve attention when selecting a quiet oxygen concentrator for comfortable home use.

• Sound Level (Decibels): The quietest units operate at under 37 decibels, matching library whisper levels perfectly. Most quality models function under 50 decibels during normal operation. Normal conversation typically occurs around 60 decibels for reference comparison purposes.
• Oxygen Output (L/min): Most home concentrators provide continuous flow ranging from 1 to 5 litres per minute consistently. Some specialized models offer higher outputs for patients requiring substantial oxygen support throughout their treatment.
• Size & Weight: Compact, lightweight designs position easily away from living areas and bedrooms for optimal placement. These models reduce noise impact on daily activities significantly.
• Energy Efficiency: More efficient models run cooler and quieter while reducing monthly electricity costs substantially. This consideration proves important for devices operating continuously 24 hours daily.
• Maintenance Requirements: Models with fewer maintenance requirements typically feature simpler internal mechanisms for long-term reliability. These designs contribute to quieter operation over extended time periods.
• Warranty & Support: Comprehensive warranty coverage and readily available technical support protect your investment completely. These services ensure functional equipment throughout the warranty period.
• Availability in Australia: Ensure your chosen model has established distribution channels throughout Australia for reliable service access. Service networks and parts availability remain crucial for ongoing equipment maintenance.

Section 2: Top 7 Quietest Home Oxygen Concentrators in Australia

1.Yuwell Stationary Oxygen Concentrator – Ultra Silence (Model 9F-5B)

Noise Level: Among the quietest stationary concentrators (specific dB rating not provided)

Flow Rate: Up to 5 L/min continuous flow 

Power: Standard AC power; 220–240V AC compatible

Key Features: The Yuwell 9F-5B delivers continuous oxygen therapy with exceptional purity (above 90% at max flow), while maintaining ultra-quiet operation. Designed for home use, it includes safety alarms, LCD display, humidifier, and German-engineered compressor technology.

Pros: Whisper-quiet operation, continuous flow up to 5 L/min, multiple safety features, built-in LCD display, 3-year warranty, long compressor lifespan (30,000+ hours)

Cons: Heavier and less portable than pulse flow units, regular filter maintenance require

Ideal For: Users requiring consistent high-flow oxygen therapy at home, noise-sensitive environments

Australian Availability: Available through Australian medical supply stores.

Source: Yuwell Stationary Oxygen Concentrator - Ultra Silence - Mega Medical

2. Inogen One G5 (Home Configuration)

Noise Level: 37-38 dB

Flow Rate: Up to 6 pulse flow settings

Weight: Approximately 4.7 lbs (2.1 kg)

Power: 100-240V AC, 19V DC

Key Features: The Inogen One G5 ranks among the quietest portable oxygen concentrators available worldwide today. It operates at an impressive 37 dBA sound level consistently. While primarily designed as portable equipment, it functions excellently as quiet home concentrator with AC power.

Pros: Ultra-quiet operation, energy efficient design, modern aesthetic appeal, excellent battery backup option available

Cons: Pulse flow only without continuous flow capability, higher initial purchase cost

Ideal For: Users needing quiet operation and occasional portability, pulse flow therapy patients specifically

Australian Availability: Available through medical equipment suppliers and respiratory therapy providers across Australia.

Source: Sprylyfe Oxygen Blog

3. Philips Respironics EverFlo

Noise Level: 40 dB

Flow Rate: 0.5 to 5 L/min continuous flow

Weight: 31 lbs (14 kg)

Power: Energy efficient design with low power consumption

Key Features: The EverFlo from Respironics operates at only 40 decibels during normal operation cycles. Oxygen dosage settings range from 0.5 to 5 LPM in convenient 0.5 increments. It represents one of the newest and most energy-efficient stationary oxygen concentrators available today.

Pros: Extremely quiet operation levels, proven reliability record, energy efficient performance, comprehensive flow rate options

Cons: Requires regular filter maintenance schedules, relatively basic display features

Ideal For: Home users seeking reliable, quiet continuous flow oxygen therapy solutions

Australian Availability: Widely available through Philips authorized dealers and medical equipment suppliers throughout Australia.

Source: Oxygen Concentrator Store Blog

4. Invacare Perfecto2 V

Noise Level: 39-43 dB

Flow Rate: Up to 5 L/min continuous flow

Weight: 39 lbs (17.7 kg) for V model

Power: Energy efficient with reduced power consumption

Key Features: The Perfecto2 V model operates at only 39 dBA sound level during regular usage periods. It weighs just 39 pounds, making it quiet and relatively lightweight for 5-liter concentrator capacity. The energy-efficient design helps reduce electrical bills while maintaining consistent oxygen output throughout treatment.

Pros: Very quiet operation levels, energy efficient design, reliable continuous flow delivery, good warranty support

Cons: Moderate weight considerations, requires periodic maintenance schedules

Ideal For: Long-term home oxygen therapy patients who prioritize quiet operation above all considerations

Australian Availability: Available through Invacare Australia dealers and respiratory equipment suppliers.

Source: Everfit Healthcare Australia

5. Caire Companion 5

Noise Level: ~40-42 dB

Flow Rate: Up to 5 L/min continuous flow

Weight: Approximately 38 lbs (17.2 kg)

Power: Energy efficient operation

Key Features: The Caire Companion 5 delivers reliable performance with low noise output suitable for bedroom use. It features user-friendly interface design and robust construction for continuous operation. The model handles extended usage periods without performance degradation issues.

Pros: Quiet operation levels, reliable performance record, good build quality standards, efficient power usage

Cons: Standard maintenance requirements, moderate weight for portability

Ideal For: Patients requiring reliable continuous flow oxygen with minimal noise disruption during treatment

Australian Availability: Available through Caire authorized distributors and medical equipment retailers across Australia.

Source: Vitality Medical Oxygen Concentrator Reviews

6. DeVilbiss 525DS

Noise Level: ~45-48 dB

Flow Rate: Up to 5 L/min continuous flow

Weight: Approximately 36 lbs (16.3 kg)

Power: Reliable power consumption with consistent output

Key Features: The DeVilbiss 525DS offers dependable oxygen delivery with focus on durability and extended service life. While slightly louder than some competitors, it remains within acceptable noise levels for home environments. The unit demonstrates proven reliability across various usage conditions.

Pros: Durable construction quality, reliable performance history, good service life expectancy, proven technology foundation

Cons: Slightly higher noise level, traditional design approach

Ideal For: Patients who prioritize reliability and durability over ultra-quiet operation characteristics

Australian Availability: Available through DeVilbiss authorized dealers and medical equipment suppliers in Australia.

Source: Oxygen Times Comparison

7. Nidek Nuvo Lite Mark 5

Noise Level: ~43-45 dB

Flow Rate: Up to 5 L/min continuous flow

Weight: Approximately 33 lbs (15 kg)

Power: Energy efficient design

Key Features: The Nidek Nuvo Lite Mark 5 combines reliable oxygen delivery with relatively quiet operation at competitive pricing. It offers excellent value for patients seeking quality oxygen therapy without premium pricing structures. The model balances performance with affordability effectively.

Pros: Cost-effective option, reliable performance record, moderate noise levels, lighter weight than many competitors

Cons: Basic feature set, standard maintenance requirements

Ideal For: Budget-conscious patients needing reliable oxygen therapy with reasonable noise levels during treatment

Australian Availability: Available through select medical equipment dealers and online suppliers serving the Australian market.

Source: Vitality Medical Oxygen Concentrator Reviews

Conclusion

Choosing a quiet home oxygen concentrator proves crucial for maintaining quality of life during essential therapy. The quietest models register under 50 decibels during regular usage cycles. This compares to library noise levels, gentle bird calls, or desktop computer operation sounds. The seven concentrators featured represent the best balance of quiet operation, reliability, and Australian market availability.

Consider not only noise level but also specific oxygen requirements when making equipment decisions. Energy efficiency preferences and budget constraints require careful evaluation throughout the selection process. Models like the Inogen One G5 and Philips EverFlo lead for ultra-quiet operation capabilities. Options like the Nidek Nuvo Lite Mark 5 provide excellent value with acceptable noise characteristics.

This guide provides valuable information about the quietest oxygen concentrators currently available for purchase. However, consulting with your healthcare provider or respiratory therapist remains essential before final selection. They help ensure your chosen concentrator meets specific medical requirements and oxygen prescription needs. This consultation guarantees both quiet operation and effective therapy for individual patient requirements.