Inogen One G2 vs Respironics EverGo: Comprehensive Portable Oxygen Concentrator Comparison

When it comes to choosing a portable oxygen concentrator, users must weigh the balance between technical specifications, functional performance, and the impact on their lifestyle. Two popular models in the market are the Inogen One G2 and Respironics EverGo. Each offers distinctive features aimed at improving the quality of life for those requiring supplemental oxygen. It’s crucial to compare these devices on various factors such as oxygen delivery settings, battery life, size, weight, and additional features that cater to individual needs.

The Inogen One G2 and Respironics EverGo are placed side by side on a clean, well-lit surface, with their sleek and modern designs prominently displayed

The Inogen One G2 and the Respironics EverGo both offer unique advantages when it comes to portable oxygen therapy. The Inogen One G2 is lighter, which may be beneficial for users seeking a more comfortable carry weight, while the EverGo provides an additional pulse dose setting, allowing for a slight edge in customization of oxygen therapy. The impact on lifestyle, warranty, and support services are also essential points of comparison. A thorough analysis, informed by consumer insights and professional reviews, can guide potential buyers to make an educated decision suited to their personal requirements.

Key Takeaways

  • Choice between Inogen One G2 and Respironics EverGo affects lifestyle, performance, and portability.
  • In-depth comparison reveals differences in weight, pulse dose settings, and battery life.
  • Careful analysis is key for selecting a concentrator that aligns with user priorities.

Overview: Inogen One G2 vs Respironics EverGo

Two portable oxygen concentrators side by side, with the Inogen One G2 on the left and the Respironics EverGo on the right. Both devices are compact and sleek in design

When comparing the Inogen One G2 with the Respironics EverGo, it is important to consider design approach, intended users, and where each product stands in the market of portable oxygen concentrators.

Design Philosophy

Inogen One G2: Designed with portability in mind, the G2 unit is a lightweight, 7.25-pound portable oxygen concentrator that emphasizes ease of transport for active users.

Respironics EverGo: The Respironics EverGo, slightly heavier at 8.5 pounds, also focuses on mobility but includes additional pulse dose settings, supporting a broader range of oxygen needs for users on the go.

Target User Demographics

Inogen One G2: It caters to oxygen users who need up to pulse setting 5 and seek a compact solution for an active lifestyle. The device’s design incorporates a wheeled cart for ease of movement.

Respironics EverGo: With a capacity for one higher pulse dose setting compared to the G2, the EverGo serves users with slightly more intensive oxygen requirements who still prioritize portable design for daily activities.

Market Position

Inogen One G2 and Respironics EverGo both aim for a substantial share in the portable oxygen concentrator market, positioning themselves as solutions for users who desire a balance between functional oxygen delivery and mobility. The Inogen G2 does so slightly more competitively in terms of weight, whereas the EverGo offers a broader range of settings despite a modest increase in weight. Both are reputable options in the market, with decisions often coming down to specific user preferences and medical needs.

Technical Specifications

The Inogen One G2 and Respironics EverGo are placed side by side, with their technical specifications displayed in clear, bold lettering

When comparing the Inogen One G2 and the Respironics EverGo portable oxygen concentrators, it’s essential to focus on their technical specifications. This includes an analysis of the size and weight, oxygen delivery mechanisms, battery efficiency, and noise levels, providing an objective look at how these devices meet the needs of oxygen therapy patients.

Size and Weight Comparison

The Inogen One G2 is notably compact and lightweight, a crucial feature for users requiring mobility. This model weighs approximately 7.25 pounds, making it slightly lighter than the Respironics EverGo which registers at 8.5 pounds. While both devices promote portability, the marginal difference in weight may influence a user’s comfort and convenience:

  • Inogen One G2: 7.25 pounds
  • Respironics EverGo: 8.5 pounds

Oxygen Delivery Mechanisms

Both the Inogen One G2 and the Respironics EverGo provide oxygen delivery through pulse dose technology. This method ensures that oxygen is administered efficiently with each breath the user takes. However, the EverGo accommodates an additional pulse dose setting, offering more customization to users based on their specific needs. Neither device offers a continuous flow option, as they are designed with a pulse-only flow mechanism to remain small and more energy-efficient.

Battery Efficiency

The 12 cell battery included in the Inogen One G2 and the battery powering the Respironics EverGo are designed for extended use to ensure users can maintain their active lifestyles without frequent recharging. Battery duration and efficiency are paramount for users who are often on the go. Although actual battery life will vary based on the oxygen settings used, it’s safe to say:

  • Inogen One G2: Good battery efficiency for the device’s size
  • Respironics EverGo: Comparable battery life with consideration to the extra pulse setting

Noise Level Analysis

The noise level of a portable oxygen concentrator is a crucial aspect for users, especially when using the device in quiet environments. Both the Inogen One G2 and the Respironics EverGo manage to keep noise levels to a minimum. These devices are typically engineered to operate discreetly, ensuring users don’t experience any significant auditory discomfort during operation. Noise levels for both concentrators are within acceptable and industry-standard ranges, making them suitable for everyday use.

Functionality and Performance

The Inogen One G2 and Respironics EverGo are compared side by side, showcasing their functionality and performance through various technical specifications and features

In comparing the Inogen One G2 and the Respironics EverGo portable oxygen concentrators, it is essential to examine their oxygen output, adjustable settings, ease of operation, and the range of accessories they offer to meet patient needs.

Oxygen Output and Concentration

The Inogen One G2 and Respironics EverGo are designed for individuals requiring supplemental oxygen. They provide oxygen on a pulse-only basis, without the option for continuous flow. The Inogen One G2 delivers a maximum trigger rate of 30 breaths per minute. In contrast, the EverGo’s oxygen output was not detailed in the snippets, hence it’s essential to refer to the manufacturer’s specifications for accurate performance data.

Adjustable Oxygen Settings

Flexibility in oxygen delivery is crucial for users. The Inogen One G2 offers up to pulse setting 5, allowing patients to adjust the oxygen flow to their needs. The Respironics EverGo provides an additional pulse dose setting, taking the total to 6 pulse settings. This range of settings helps cater to various respiratory demands that users may have throughout the day.

Operation and Ease of Use

Ease of use is key for a positive user experience. Both models are highlighted for their portability and user-friendly operation. The Inogen One G2 is specifically noted for being lighter, at 7.25 pounds, compared to the Respironics EverGo, which weighs 8.5 pounds. Each unit comes equipped with intuitive controls and clear readouts, ensuring that patients can manage their oxygen therapy effectively and without undue stress.

Accessories and Customization

Accessories enhance the versatility of portable concentrators. The Inogen One G2 is often packaged with an attractive carry bag, AC/DC adapters, and a choice of rechargeable batteries. A notable inclusion is the wheeled cart, adding convenience for users on the go. The Respironics EverGo also comes with similar customizations like AC/DC adapters and a carry bag, ensuring users can utilize the device in various environments. Additional customization such as alternative cannula options might be available, but specifics would have to be verified with current product listings from the manufacturers.

Portability and Lifestyle Impact

A traveler packs a lightweight Inogen One G2 and Respironics EverGo into a backpack, ready for adventure

When it comes to portable oxygen concentrators like the Inogen One G2 and the Respironics EverGo, the portability aspect is critical for users who maintain an active lifestyle. They’re designed for those requiring oxygen therapy to lead a more mobile and independent life. Ensuring the device fits into daily life with minimal disruption is a pivotal factor in choosing the right concentrator.

Travel Readiness

Inogen One G2

  • Weight: Approximately 7.25 pounds
  • FAA Approval: Yes
  • Carry Options: Comes with a carry bag for easy transport

Respironics EverGo

  • Weight: Roughly 8.5 pounds
  • FAA Approval: Yes
  • Carry Options: Includes a carry case similar to the G2

For travel, both the Inogen One G2 and the Respironics EverGo offer convenient options with their FAA-approved status, allowing for use on airlines. Their respective weights, though on the higher side for portable oxygen concentrators, are still manageable, especially since they come with specialized carry bags to facilitate movement.

The slight difference in weight may be a consideration for users who are sensitive to carrying extra load during travel. Regardless, both models support an active lifestyle, with the EverGo accommodating a slightly higher pulse dose setting which may be a deciding factor for those requiring more intensive oxygen therapy. It is crucial for users to check current airline policies ahead of travel, as requirements can change.

Warranty and Support Services

The Inogen One G2 and Respironics EverGo are displayed side by side, with their warranty and support services information prominently featured in the background

When selecting a portable oxygen concentrator, understanding the specifics of warranty coverage and customer support is crucial for end users. These aspects directly impact the long-term usability and serviceability of the product.

Warranty Coverage

The Respironics EverGo comes with a three-year manufacturer’s warranty on the concentrator itself. Accessories for the EverGo are covered under a separate 90-day manufacturer’s warranty. This coverage ensures that any manufacturing defects or operational malfunctions within these time frames can be addressed without additional costs, as long as the terms and conditions of the warranty are met.

On the other hand, the Inogen One G2 warranty details were not specified in the provided search results. Customers would need to contact the manufacturer directly or consult an official product source to ascertain the specific warranty coverage for the Inogen One G2.

Customer Support Experience

Customer support services are an integral part of the user experience. Reviews and operation manuals often highlight the importance of accessible and knowledgeable support teams. The Respironics EverGo product page does not specify the details regarding their customer support, but reviews from various platforms may offer insight into the user experience with the company’s customer service. Similarly, for the Inogen One G2, one would need to rely on reviews or directly engage with the company to understand the level of support offered. It is important for users to assess the responsiveness and helpfulness of the customer support team when considering product purchase.

Comparative Analysis

Two portable oxygen concentrators side by side, with their features and specifications listed next to them for comparison

This section provides a detailed comparison between the Inogen One G2 and the Respironics EverGo, along with perspectives from various models that offer similar functionality in the domain of portable oxygen concentrators.

Unit Comparison with Similar Models

The Inogen One G2 and the Respironics EverGo are often evaluated against other models in terms of weight, battery life, flow settings, and overall portability. The Inogen One G2 weighs 7.25 pounds and provides up to a pulse setting of 5. In contrast, the Respironics EverGo is slightly heavier at 8.5 pounds and offers one additional pulse dose setting.

Comparatively, the Inogen One G4 is a more compact solution for those prioritizing weight, coming in at 2.8 pounds. The Philips SimplyGo and the Oxlife Independence offer both continuous and pulse dose delivery, providing versatility but at the expense of increased weight.

The AirSep Freestyle and the Invacare XPO2 are also contenders in the lightweight category, with both units weighing under 10 pounds and focusing primarily on pulse dose settings. The Inova LifeChoice presents an even mix of portability and performance.

Models like the GCE Zen-O and the Caire Eclipse 5 are known for their expanded feature sets, catering to a broad range of oxygen therapy requirements. For those seeking a balance between high oxygen output and transportability, the DeVilbiss iGo and Scott Ridl’s range of solutions also stand out in the comparison.

ModelWeight (pounds)Flow Settings (pulse)Continuous FlowNotable Features
Inogen One G27.25Up to 5NoLonger battery life; Lightweight
Respironics EverGo8.5Up to 6NoHigher pulse dose setting; Durability
AirSep Freestyle< 10VariesNoUltra-portable; User-friendly
Inogen One G42.8Up to 3NoUltra-lightweight; Simple operation
Philips SimplyGo10Up to 6YesDual delivery mode; Robust build
Oxlife Independence> 10VariesYesHigh output; Durable

Industry Expert Opinions

Industry experts frequently provide reviews that emphasize not just the specifications, but the user experience and reliability of portable oxygen concentrators.

Oxygen therapy professionals and patient reviewers commonly praise the Respironics EverGo for its user-friendly interface and robust construction, making it a preferred choice for patients who require a higher pulse dose setting. The durability is particularly appreciated among those with an active lifestyle.

On the other side, the Inogen One G2 garners accolades for its ease of carrying around due to the lighter weight and longer battery life, which offers greater freedom for users. Its popularity in reviews often stems from its balance of essential features and portability.

When considering a device like the Respironics SimplyGo, experts often highlight its ability to offer both continuous and pulse dose oxygen, making it suitable for a broader range of patients with varying oxygen needs.

It’s noted that customer support and warranty terms are also crucial aspects mentioned in reviews. Companies like Inogen and Respironics have been recognized for providing reliable customer service and support, which is a major consideration for long-term use of such medical devices.

Consumer Insights

A table with two portable oxygen concentrators, Inogen One G2 and Respironics EverGo, accompanied by user reviews and comparison charts

When considering a portable oxygen concentrator, users often focus on reviews and testimonials, the impact on their daily lives, and various convenience factors. These insights from real users highlight the practicalities of incorporating devices like the Inogen One G2 and Respironics EverGo into their routines.

User Reviews and Testimonials

Inogen One G2:

  • Users often remark on the quiet operation of the device, which enhances comfort during use.
  • Many appreciate the device’s pulse setting options, noting a maximum of 5 settings.

Respironics EverGo:

  • Reviews generally highlight the higher pulse dose setting, which accommodates individuals with more intensive oxygen needs.
  • The slight increase in weight compared to the G2 (8.5 pounds) is mentioned, but it’s often noted that it remains easy to carry.

Living with the Device

Users typically find that size and weight are crucial when integrating a portable oxygen concentrator into their lifestyle.

Inogen One G2:

  • At 7.25 pounds, it’s considered lightweight and manageable for daily activities.

Respironics EverGo:

  • Its slightly heavier frame is still described as manageable, making it a viable option for those prioritizing higher oxygen output over the absolute smallest size.

Convenience Factors

When assessing convenience, users look at battery life and overall portability.

Inogen One G2:

  • Comes with a standard carry bag, AC and DC adapters, and a choice of battery sizes.
  • The included wheeled cart adds to its portability for users who may prefer not to carry the device.

Respironics EverGo:

  • Users who need a larger pulse dose setting find EverGo’s broader range to outweigh its marginally increased weight.
  • It’s perceived as easy to transport and operate, merging seamlessly with users’ day-to-day activities.

Buying Considerations

A person comparing features of Inogen One G2 and Respironics EverGo, looking at size, weight, battery life, and portability

When comparing the Inogen One G2 and the Respironics EverGo portable oxygen concentrators, potential buyers should evaluate cost, long-term value, and purchasing options. Each factor plays a crucial role in the decision-making process.

Cost Analysis

The initial purchase price of the Inogen One G2 and Respironics EverGo can vary between retailers, but they typically fall in a similar price range. Buyers may also consider the cost of additional batteries or accessories that can increase the initial investment. It’s important to research and compare the prices from various authorized sellers to find the best deal.

Long-term Value

Assessing the long-term value is key when investing in a portable oxygen concentrator. Durability and warranty coverage influence long-term expenses. The Inogen One G2 and Respironics EverGo usually come with a standard warranty, which can range from one to a few years, depending on the seller. Additionally, evaluating battery duration and the cost of replacement batteries is essential, as frequent use over time will necessitate battery replacements.

Availability and Purchase Options

The Inogen One G2 and Respironics EverGo are available through various channels such as medical supply stores, online retailers, and directly from the manufacturers. Oftentimes, these devices can also be found on platforms like eBay, which may offer competitive prices but may present varying degrees of product warranty and buyer protection. Buyers should consider authorized dealers to ensure they receive a valid warranty and post-purchase support.


The Inogen One G2 and Respironics EverGo sit side by side, with their sleek designs and compact sizes on display

When choosing between the Inogen One G2 and the Respironics EverGo, consumers must weigh their options based on personal needs and preferences.

The Inogen One G2 is lighter, at 7.25 pounds, making it a more convenient option for those who prioritize portability. It also offers up to a pulse setting of 5, catering to those requiring a moderate level of oxygen therapy while on the go.

On the other hand, the Respironics EverGo weighs slightly more at 8.5 pounds but provides an additional pulse dose setting. This feature might benefit users who need a higher oxygen dose and are still looking for a portable solution.

Both devices have their merits:

  • Inogen One G2: suitable for users valuing lightweight design and up to 5 pulse settings.
  • Respironics EverGo: suitable for users needing higher pulse dose settings despite the slight increase in weight.

Users should consider device functionality and comfort level as crucial factors. It’s essential to consult healthcare providers to determine the most appropriate oxygen therapy needs and the device features that best accommodate those requirements.

Frequently Asked Questions

Two portable oxygen concentrators side by side, with labels "Inogen One G2" and "Respironics EverGo." Both devices are plugged in and emitting oxygen

In this section, you’ll find specific comparisons and details regarding the Inogen One G2 and Respironics EverGo portable oxygen concentrators to help address common queries.

What are the key differences between the Inogen One G2 and Respironics EverGo portable oxygen concentrators?

The Inogen One G2 is slightly lighter and offers different battery options, whereas the Respironics EverGo can accommodate an additional pulse dose setting. Their designs and features cater to varying user preferences and needs.

Can the Inogen One G2 battery last as long as the Respironics EverGo’s?

Battery performance depends on the settings used; the Inogen One G2 and the Respironics EverGo are designed with longevity in mind. The actual duration will vary based on the machine’s settings during use.

Which device, Inogen One G2 or Respironics EverGo, offers more liters per minute of oxygen flow?

The Respironics EverGo provides higher settings for pulse dose oxygen flow compared to the Inogen One G2, thereby offering greater flexibility to those requiring more liters per minute.

Are there significant weight differences between the Inogen One G2 and Respironics EverGo units?

The Inogen One G2 weighs 7.25 pounds with a 12 cell battery, and the Respironics EverGo is slightly heavier at 8.5 pounds, making the G2 a lighter option for users prioritizing portability.

How do the dimensions of the Inogen One G2 compare to those of the Respironics EverGo?

The Respironics EverGo has a footprint of 12 inches by 6 inches by 8.5 inches, while the Inogen One G2’s dimensions are not specified here, one can expect minor size differences as both are designed to be portable.

What are the noise levels produced by the Inogen One G2 and Respironics EverGo during operation?

Both the Inogen One G2 and the Respironics EverGo are designed to operate quietly for user convenience, with noise levels generally not being a significant concern for either device, though precise figures are not provided here.

The team at 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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