OxyGo vs Inogen G3: Portable Oxygen Concentrators Compared

Choosing the right portable oxygen concentrator (POC) is crucial for people needing supplemental oxygen therapy. With the market offering various models, it can be challenging to decide which one fits an individual’s lifestyle and medical needs. Among the leading models are the OxyGo NEXT and the Inogen One G3, both of which provide users with the freedom to maintain an active lifestyle while receiving the oxygen support they require.

Two portable oxygen concentrators face off in a clinical setting. OxyGo and Inogen G3 stand side by side, displaying their sleek designs and advanced features

The OxyGo NEXT and the Inogen One G3 cater to differing priorities. The NEXT is the latest model from OxyGo, with a focus on extended battery life and real-time user interface for managing settings. The Inogen One G3, on the other hand, is known for its reliability and its convenience-oriented design. Both POCs are compact, lightweight, and FAA approved for air travel, presenting themselves as strong contenders for anyone seeking a blend of portability and functionality.

Key Takeaways

  • Portable oxygen concentrators like the OxyGo NEXT and Inogen One G3 allow users to enjoy an active lifestyle while managing oxygen therapy needs.
  • Features such as battery life, weight, noise level, and user interface differ between models, impacting user preference.
  • Considerations for purchase include device specs, lifestyle compatibility, cost, support services, and brand evolution.

The Basics of OxyGo and Inogen G3

A table with OxyGo and Inogen G3 portable oxygen concentrators side by side, displaying their features and differences

This section provides a focused look at two popular portable oxygen concentrators (POCs), the OxyGo and the Inogen One G3, assessing their characteristics and suitability for oxygen therapy on the go.

Overview of Portable Oxygen Concentrators

Portable Oxygen Concentrators are medical devices designed to assist individuals with respiratory concerns by providing oxygen therapy. These devices are essential for maintaining an active lifestyle and often come with features tailored to be lightweight and user-friendly. The market offers various brands and models, with OxyGo and Inogen being notable examples. Their products, intended for portability, have increasingly become the standard for patients requiring supplemental oxygen.

Comparing OxyGo and Inogen One G3

The OxyGo and the Inogen One G3 systems represent considerable shares in the POCs market. OxyGo models are lauded for their lightweight designs and dependable performance. Meanwhile, the Inogen One G3 is well-regarded for its compact form factor and battery efficiency. Both devices offer varying levels of oxygen delivery and are equipped with intuitive controls, catering to the different oxygen needs of patients.


  • OxyGo: Typically offers a single battery option and its concentrators, such as the Next model, have dimensions of 7.19 x 3.26 x 8.15 inches and a weight of 4.74 pounds.
  • Inogen One G3: Features a multi-setting POC with a weight just over 4 pounds, providing a balance between portability and oxygen output.

Design and Portability

Design and portability are paramount when comparing the OxyGo and Inogen One G3. Each manufacturer emphasizes creating a unit that is not only efficient in delivering oxygen but also easy for users to transport.

  • OxyGo: Known for sleek and minimalistic designs that don’t compromise on performance.
  • Inogen One G3: Renowned for a small footprint and light weight, which simplifies transport and usage outside the home.

Users consider the size, weight, and battery life pivotal in their choice, with both models excelling in these aspects but offering distinctive advantages that appeal to diverse user preferences and lifestyles.

Technical Specifications

Two portable oxygen concentrators, oxygo and inogen g3, side by side with their technical specifications displayed

This section provides a detailed look at the technical aspects of the OxyGo and Inogen G3 portable oxygen concentrators. Readers can expect to find specific information on their oxygen delivery methods, dimensions, and battery performance.

Oxygen Delivery Technology

The Inogen One G3 and OxyGo employ pulse dose oxygen delivery technology. This method ensures oxygen is supplied as the user inhales, maximizing efficiency and preserving battery life. Neither system offers a continuous flow option, focusing strictly on intermittent delivery customized to the user’s breathing rate.

Weight, Size, and Form Factor

Regarding portability, the Inogen One G3 system is designed for travel-friendly use. It weighs 4.8 pounds and measures approximately 8.75 x 3 x 8.25 inches. Comparatively, the OxyGo has a similar form factor, although its exact specifications can vary based on the model in question.

  • Inogen One G4: Weight is 2.8 pounds; dimensions are 7.2 inches in height with standard battery.
  • Inogen One G5: While specs are not provided here, it typically offers a balance between the G3 and G4 in terms of size and capacity.

Battery Performance and Options

The Inogen One G3’s battery options include a single battery with up to 4 hours of use and a double battery offering up to 8 hours, significantly enhancing its appeal for extended travel without access to a power source.

  • Standard Battery Life: Up to 4 hours for G3 with a standard battery.
  • Extended Battery Life: Up to 8 hours for G3 with a double battery.

The OxyGo line generally mirrors these options, providing flexibility in usage duration with the choice between standard and extended batteries. The systems are designed for active lifestyles, highlighting their lightweight and long-lasting batteries.

Usability and Convenience

A person easily switches between OxyGo and Inogen G3, showing their compact size and simple controls for convenient use

When considering the OxyGo and Inogen G3 portable oxygen concentrators, usability and convenience become crucial for those leading active lifestyles or frequently traveling. The evaluation of these factors centers on three key areas: travel readiness with FAA approval, user interface and controls, and maintenance and upkeep.

Travel READINESS with FAA Approval

Inogen G3 and OxyGo units are FAA-approved for use on airlines, ensuring users can travel by plane without issues. The small dimensions of these devices facilitate travel by car, train, or other methods, providing a dependable oxygen supply without the need for tanks or deliveries. Moreover, their compact size easily fits in small spaces, and accessories like a carry cart enhance portability.

User Interface and Controls

The control panel on the Inogen G3 is designed for clarity, with an easy-to-read LCD screen and intuitive buttons, even for users with limited technical expertise. The OxyGo maintains a similar level of user-friendliness, with straightforward controls and clear alarms to notify users of changes in oxygen purity or other important operational information.

Maintenance and Upkeep

Both the Inogen G3 and OxyGo are designed with low maintenance in mind. Regular cleaning or replacement of filters is simplified to ensure operational efficiency. Unlike many home oxygen concentrators, these portable models do not require frequent professional maintenance. Users can perform most upkeep themselves, which includes changing the nasal cannula periodically to maintain cleanliness and hygiene.

Health and Lifestyle Integration

A person uses oxygo and inogen g3 in a modern, well-lit living room with plants and exercise equipment

Portable oxygen concentrators (POCs) like the OxyGo and Inogen G3 have revolutionized the integration of oxygen therapy into the day-to-day lives of oxygen-dependent patients. They provide a balance between medical needs and maintaining an active lifestyle.

Meeting Oxygen-dependent Patients’ Needs

The OxyGo and Inogen G3 are designed to cater to the varying needs of oxygen-dependent patients, including those with conditions like asthma. Pulse-dose technology is central to both models, ensuring oxygen is delivered efficiently with each breath the patient takes. This technology offers a respite from continuous-flow oxygen, typically making the devices:

  • Lighter
  • More energy-efficient
  • Longer-lasting on a single battery charge

For instance, the Inogen G3 delivers pulse-dose settings ranging from 1 to 5, adapting to the patient’s oxygen needs, with a notable oxygen output at setting 5 of up to 1050 ml per minute.

Impact on Daily Life and Activities

Integrating oxygen therapy into daily life challenges individuals to find balance. The portability aspects of POCs like the OxyGo and Inogen G3 ensure patients can maintain an active lifestyle. Daily activities, such as shopping or walking, become more accessible due to features like:

  • Lightweight Build: The Inogen G3 weighs around 5 pounds, making it easy to carry.
  • Battery Life: Extended battery options allow the use of the device for longer periods without recharging.
  • FAA Approval: For patients who travel, this ensures their POC can accompany them on flights.

Asthma patients, in particular, can benefit from the pulse-dose technology when engaged in activities that may trigger their symptoms, providing precise oxygen dosing for immediate relief. The adaptability of these devices to a patient’s active routine enables them not just to cope but to thrive despite their health challenges.

Economic Aspects and Ownership

A comparison of oxygo and Inogen G3 ownership and economic aspects, with product features and pricing displayed

When considering the purchase of a portable oxygen concentrator (POC) such as the OxyGo or the Inogen G3, prospective buyers should evaluate direct costs, insurance interactions, warranty provisions, and the long-term cost-effectiveness of the device.

Costs and Insurance Coverage

The initial purchase price of a POC can be significant, often ranging in the thousands of dollars. Inogen G3, for instance, is priced competitively within the market. Consumers should check with their insurance providers, as some providers may cover a portion of the cost. Moreover, cash sales for POCs are becoming a viable option for those without insurance coverage, with manufacturers sometimes offering discounts to self-paying customers.

  • Cost Range:
    • OxyGo: $2,295 – $3,495*
    • Inogen G3: $2,465 – $3,250*

*Prices are approximate and can vary.

Warranty and Service Life Expectations

Warranties for these devices generally range from 3 to 5 years, providing repair or replacement coverage. Inogen G3 typically comes with a standard 3-year warranty, which can reassure users against functional defects or operational failures. The expected service life of a POC can exceed 5 years, provided it is maintained according to manufacturer guidelines, therefore minimizing service requirements and reducing long-term costs.

  • Warranty Period:
    • OxyGo: Up to 5 years
    • Inogen G3: Up to 3 years

Cost-effectiveness and Cash Sales

When considering cost-effectiveness, it’s important to look at the entire lifecycle of the product. POCs such as OxyGo and Inogen G3 promise to minimize inventory complexity with their robust build and reliability. They are engineered to reduce costs over time and maintain consistent oxygen delivery, enhancing POC adoption rates. Cash sales also offer the advantage of no-commitment purchases, potentially increasing cash revenue for suppliers while providing customers with upfront product ownership.

Brand and Product Evolution

An oxygen concentrator (oxygo) sits next to a sleeker, more modern model (Inogen G3) on a clean, white surface, showcasing the evolution of the brand and product

The innovation journey of Inogen’s portable oxygen concentrators (POCs) illuminates the brand’s commitment to progressive research and development alongside its quest to meet patient preference with clinically effective oxygen therapy devices.

Inogen’s R&D and Product Line

Inogen has established itself as a global leader in the design and manufacture of oxygen therapy solutions. Central to its success is a robust research and development framework, ensuring that each Inogen product embodies the latest in delivery technology and patient-specific design. The Inogen One series, established as the cornerstone of their portable oxygen concentrator offerings, reflects this commitment. The introduction of the Inogen Rove 6 system and its successors highlights the brand’s dedication to improving upon predecessors’ functionality and portability.

Products by Inogen:

  • Inogen One G3
  • Inogen One G4 System
  • Inogen One G5
  • Inogen Rove 6 System

Key R&D Focus Areas:

  • Enhancing oxygen delivery technology
  • Reducing sound level for discretion
  • Improving reliability (e.g. with error management)
  • Meeting ISO specifications and surpassing competition

Generational Differences: G3, G4, and G5

Inogen’s product evolution can be traced through the generational differences among the G3, G4, and G5 models. With each new generation, specifications such as size, weight, and oxygen output have been optimized. The Inogen One G4 system, recognized for its light weight and compact size, caters to active users requiring mobility without the burden of heavy equipment. In contrast, the G5 model enhances the user experience with higher oxygen output and the convenience of a double battery option for extended use.

Comparative Specifications:

FeatureInogen One G3Inogen One G4 SystemInogen One G5
WeightHeavier than G4 and G52.8 lbs (standard battery)Lighter than G3
Sound LevelStandard for its timeReduced compared to predecessorsFurther reduced
Oxygen DeliveryEffective for its eraPulse dose technologyAdvanced delivery technology
Battery OptionsExternal onlyExtended battery availableSingle or double battery

Competitors such as Respironics SimplyGo and DeVilbiss iGo have vied for market presence, but Inogen’s focus on sieving technology, such as the replaceable sieve beds, and innovative features like ‘no breath detect’ has set new paradigms in oxygen concentrator performance. Integrated error management systems further enhance device reliability and patient safety.

In summary, Inogen’s POCs portray a story of continuous improvement, with each new model reflecting the company’s mission to deliver patient-preferred, clinically robust, and user-friendly home and portable oxygen concentrators.

Customer Experience and Support

A customer comparing OxyGo and Inogen G3, with both portable oxygen concentrators displayed side by side on a table, while a support representative assists with information

Choosing between the OxyGo and Inogen G3 portable oxygen concentrators requires careful consideration of the customer experience and support provided by each brand. This section explores direct patient feedback, the details of warranty claims, as well as the support provided for repairs after the warranty has lapsed.

Direct Patient Feedback and Reviews

Patients commonly cite the weight of their portable oxygen concentrators as a significant factor in their daily comfort and mobility. Inogen’s G3 model is noted for its light weight, at approximately 4.8 lbs, which users appreciate for its ease of transport. Direct patient feedback from both OxyGo and Inogen G3 users often revolves around device reliability and user-friendliness, with reviews across various platforms aiding potential customers in their comparison.

Warranty Claims and RMA Process

The warranty claims and return material authorization (RMA) process for both OxyGo and Inogen are typically outlined clearly at the point of sale. Patients should be aware that the processes can vary between international distributors. Inogen G3, known for being a product of a global market leader, tends to streamline its RMA process, often resulting in a smooth experience for warranty claims.

Support for Out-of-Warranty Repairs

After the warranty period, customers of OxyGo and Inogen G3 can still receive support for repairs. The brands offer various service options, although the terms and costs may differ. For out-of-warranty repairs, both companies maintain a network of service centers. However, it’s advisable for patients to review the costs associated with such repairs, as they can vary significantly depending on the nature of the issue and the provider chosen.

Frequently Asked Questions

A table with two portable oxygen concentrators, oxygo and Inogen G3, side by side. A person's hand reaching for the oxygo while the Inogen G3 is left untouched

This section addresses common inquiries regarding the OxyGo NEXT and Inogen G3 portable oxygen concentrators, providing succinct answers to support users in understanding their specific features and functionalities.

What are the main differences between OxyGo NEXT and Inogen G3 models?

The OxyGo NEXT is a newer model compared to the Inogen G3, offering advanced features such as Bluetooth connectivity and a user-friendly interface. The Inogen G3 is an earlier version that focuses on compactness and simplicity without the connectivity features present in newer models.

Has the Inogen G3 model been discontinued, or is it still available for purchase?

The Inogen G3 model has not been discontinued and continues to be available for purchase. Customers can buy the Inogen G3 from authorized dealers and directly through Inogen’s sales channels.

How do the technical specifications of the Inogen G3 compare with newer models?

The Inogen G3 is known for its lightweight and compact design, with a total weight of about 5 pounds including the 8-cell battery. In comparison, newer models such as the Inogen One G5 are designed to deliver higher oxygen output and extended battery life while maintaining a portable form factor.

Can the Inogen G3 provide continuous flow oxygen to users, or is it pulse dose only?

The Inogen G3 utilizes Intelligent Delivery Technology® and operates solely on a pulse dose delivery system. It does not provide a continuous flow of oxygen, but the pulse dose system adjusts oxygen delivery in response to the user’s breathing pattern.

What is the expected lifespan of an Inogen G3 portable oxygen concentrator?

The expected lifespan of an Inogen G3 can vary, but with proper maintenance and regular replacement of parts like sieve columns and filters, the device can last several years.

How does the battery life of the OxyGo NEXT compare to that of the Inogen G3?

Battery life varies based on the setting and usage, but generally, the OxyGo NEXT has been engineered to have a longer battery life compared to the Inogen G3. The exact duration will depend on the oxygen flow settings used by the individual.

The team at www.oxygenconcentratoradvice.com are experts when it comes to oxygen concentrators. We are dedicated to providing as much help as we can for people who are undergoing oxygen therapy and need help with oxygen concentrators. We research and immerse ourselves in the industry and are assisted by our team of medical experts.

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