Customer reviews from sharkninja.com
Shark - Refurbished Excellent - Stratos Upright Vacuum with DuoClean PowerFins HairPro, Self-Cleaning Brushroll, Odor Neutralizer Technology - Navy
Average customer rating
4.3
(1,052 Reviews)
Rating breakdown 1,052 reviews
5 Stars
728
4 Stars
144
3 Stars
64
2 Stars
42
1 Star
74
86%of customers recommend this product.
(
702 out of
821)
Customer Reviews for Shark - Refurbished Excellent - Stratos Upright Vacuum with DuoClean PowerFins HairPro, Self-Cleaning Brushroll, Odor Neutralizer Technology - Navy
Customer Rating
5
Excellent dog hair and dust pick up
on February 16, 2026
Posted by: Paual
from Northern Colorado
Gender:Female
Replaced my almost 10 yr old Shark Apex with a new Shark Stratos -- what a difference, especially in the ability to get all the dog hair, as well as the fine dust from the dry climate and the red breeze on the pathways.
I would recommend this to a friend!
Written by a customer while visiting sharkninja.com
Customer Rating
1
Vacuum Changed Specifications, Misleading
on February 13, 2026
Posted by: Customer10381
I received the Stratos as a replacement unit. My main issues are, this vacuum is NOT the same one as you see reviewed online for the past few years, it's a different vacuum, despite the model number still being AZ3002. The vacuum being sold now is a "X5" variant, which is not mentioned anywhere! I accepted this unit because I thought it was the Stratos reviewed, but apparently it's not. There have been silent changes, the unit now has a lower wattage motor(1300 Watts/11 amps), and a shorter cord of 25 ft vs 30 ft originally. Very misleading to keep the same model number, but change the core parts of the vacuum. The product page even references 11.8A, which is the old power figure, which is false advertising. I asked for a different unit instead once I found out, and wasn't able to get one, because it was listed as an upgrade, which the original Stratos would have been, but this isn't. Be aware of this during warranty replacements, especially if you already have the Stratos, you'd receive a lesser unit.
As for performance, it's ok. Not much better than my old Shark Vertex, it rolls on the carpet more easily than it which had the first generation powerfins duoclean head(blue), but it doesn't feel like it suctions as well. Picks up ok though. The brushhead doesn't contact the floor as tightly it feels like. I did pick up a number of finer sand though. These early powerfins designs don't last though if you vacuum regularly(once a week), they will wear down quickly, even on carpet.
The hose is decently flexible compared to previous models, which were stiffer. I'm not a huge fan of the blue, it would have been nicer if they still sold the maroon color. Feels well built, but I don't like how the attachment holders don't have the slots for the tools, it's just a stub with raised bits, which feels like it would crack the attachments that are weaker over time.
My one main gripe about this vacuum, the cyclone is terrible. Compared to my previous Shark, the cyclone quickly dirties and it dirties the filters instantly. Be prepared to have to constantly wash these filters. I don't even want to use the vacuum because of this. It's also a little louder than my previous Shark. Other changes, the front soft roller no longer has the rougher black lines of the Vertex head, it's all ultra-soft. That can be a positive or negative, it's a negative for me since I have mostly carpet.
My one main gripe about this vacuum, the cyclone is terrible. Compared to my previous Shark, the cyclone quickly dirties and it dirties the filters instantly. Be prepared to have to constantly wash these filters. I don't even want to use the vacuum because of this. It's also a little louder than my previous Shark. Other changes, the front soft roller no longer has the rougher black lines of the Vertex head, it's all ultra-soft. That can be a positive or negative, it's a negative for me since I have mostly carpet.
On a positive note, I really did enjoy the power brush attachment. It worked well, and it worked nicely on stairs without being too much of a chore. This is basically the only thing I really like about the vacuum.
I would rate it a little higher if it weren't for the misleading business practices by Shark, this is NOT the same Stratos anymore, change the model number or keep the specifications the same, this is a newer "X5" version, and it's not mentioned anywhere, the regular consumer would not know, and in fact, there is "11.8 Amps" listed from the old product, so it's falsely advertised. I should've been given a different vacuum after figuring this out. I'm writing for more people to know. However, this vacuum is basically disposable, I'm probably only going to get another 2 years out of this before the PowerFins disintegrate again. I would have had better luck with the upgraded PowerDetect head vacuums possibly, or the true bristle brush legacy vacuums.
No, I would not recommend this to a friend.
Response from sharkninja.comBy SharkNinja, February 14, 2026
Hi there,
Thank you for taking the time to share such a detailed review.
We’re truly sorry to hear about the disappointment and confusion surrounding your replacement unit. We completely understand how frustrating it must feel to receive a vacuum that doesn’t match the specifications you expected, especially when the model number appears unchanged. Your feedback about the differences in wattage, cord length, and the “X5” variant not being clearly communicated is incredibly important, and we sincerely apologize for the frustration this caused during your warranty replacement experience.
We also appreciate your thorough notes on performance, design differences, and filtration. This level of detail helps our team identify where updates or clarifications may be needed, both in how products are represented and in how replacements are handled. We’re glad to hear that the power brush attachment worked well for you, but we’re sorry that other aspects didn’t meet the standard you were hoping for.
If you’d like to speak with us further, please reach out to us at: https://support.sharkninja.com/contact-us
Kind regards,
Shark Clean
Thank you for taking the time to share such a detailed review.
We’re truly sorry to hear about the disappointment and confusion surrounding your replacement unit. We completely understand how frustrating it must feel to receive a vacuum that doesn’t match the specifications you expected, especially when the model number appears unchanged. Your feedback about the differences in wattage, cord length, and the “X5” variant not being clearly communicated is incredibly important, and we sincerely apologize for the frustration this caused during your warranty replacement experience.
We also appreciate your thorough notes on performance, design differences, and filtration. This level of detail helps our team identify where updates or clarifications may be needed, both in how products are represented and in how replacements are handled. We’re glad to hear that the power brush attachment worked well for you, but we’re sorry that other aspects didn’t meet the standard you were hoping for.
If you’d like to speak with us further, please reach out to us at: https://support.sharkninja.com/contact-us
Kind regards,
Shark Clean
Written by a customer while visiting sharkninja.com
Customer Rating
3
Buyer of over 20+ years, very disappointed,
on February 9, 2026
Posted by: BLS1
Gender:Female
I purchased Jan 2026, I buy directly from their online store. I have purchased Shark vacuums for over 20 years and in the last 4 or 5 years I have noticed that each one gets worse and worse. They don't perform as advertised and from my past experience from having used them. Very disspointed, definately will do some research on other brands before I buy another Shark
No, I would not recommend this to a friend.
Response from sharkninja.comBy SharkNinja, February 10, 2026
Hi there,
Thank you for sharing your experience with us.
We truly appreciate your loyalty over the past 20 years, and we're sorry to hear that your recent experiences have not met your expectations. Your comments about declining performance are important, and we understand how disappointing that must feel, especially given your history with our products. We value feedback like yours because it helps us improve, and we'd love to see how we can make this right for you. If you'd like further information on how to maximize your vacuuming experience, please visit our website for manuals and guides. You can also contact our support team for assistance. We are always ready to assist and ensure your experience is a positive one. All applicable links are provided below.
Guides and Manuals: https://support.sharkninja.com/product/shark-stratos-duoclean-powerfins-upright-vacuum/01tHs00000D0Uj5IAF?redirect=false
Contact Page: https://support.sharkninja.com/contact-us
Sincerely,
Shark Clean
Thank you for sharing your experience with us.
We truly appreciate your loyalty over the past 20 years, and we're sorry to hear that your recent experiences have not met your expectations. Your comments about declining performance are important, and we understand how disappointing that must feel, especially given your history with our products. We value feedback like yours because it helps us improve, and we'd love to see how we can make this right for you. If you'd like further information on how to maximize your vacuuming experience, please visit our website for manuals and guides. You can also contact our support team for assistance. We are always ready to assist and ensure your experience is a positive one. All applicable links are provided below.
Guides and Manuals: https://support.sharkninja.com/product/shark-stratos-duoclean-powerfins-upright-vacuum/01tHs00000D0Uj5IAF?redirect=false
Contact Page: https://support.sharkninja.com/contact-us
Sincerely,
Shark Clean
Written by a customer while visiting sharkninja.com
Customer Rating
5
amazing
on February 6, 2026
Posted by: cicerone
I absolutely love this vacuum. has great suction, and I love how it's a multi use vacuum. great features I love how you can switch between carpet to hardwood floors. maneuvers very easy.
Written by a customer while visiting sharkninja.com
Customer Rating
5
Good quality investment
on February 3, 2026
Posted by: Andapanda
Gender:Female
I love my Shark Stratos . I have 3 dogs and have to vacuum more than most . I love the light on the front that helps me see debris that I normally wouldn’t. I’m grateful for a good quality vacuum and the warranty that gives me peace of mind on a more expensive investment in my home cleaning appliance.
Written by a customer while visiting sharkninja.com
Customer Rating
5
on February 3, 2026
Posted by: Paco@
Gender:Female
I got this vacuum and I love it!!! I recommend this vacuum
I would recommend this to a friend!
Written by a customer while visiting sharkninja.com
Customer Rating
5
Easy to use and efficient!
on February 2, 2026
Posted by: Smokey S
This is our 4th Shark! This is by far the best vacuum we have ever had! Service handled quickly and professionally if needed!
I would recommend this to a friend!
Written by a customer while visiting sharkninja.com
Customer Rating
1
Horrible vacuum
on February 1, 2026
Posted by: Mad14
Gender:Female
I have bought about 5 of these vacuums and they are terrible! When they are working they are great but the past 3 that I’ve bought stopped working after 3 months. I have a 1000sqft house and use it about 2x a week. I do all the regular maintenance of cleaning it, replacing filters etc. After 3 months the brush rolls stop spinning. Seriously the worst vacuum and I will never buy another shark. I’ve spend thousands at shark and still don’t have a working vacuum.
Response from sharkninja.comBy SharkNinja, February 4, 2026
Hi there,
Thank you for taking the time to leave a review on the Shark Stratos DuoClean.
We completely understand how discouraging it can feel when you’ve invested your time, money, and trust into a purchase, only to find that it isn’t meeting your expectations. Your experience matters to us, and we’re truly sorry for any frustration this has caused. After reviewing our records, it appears that the units you've purchased are refurbished. Due to this, we’re unable to guarantee the same level of performance and reliability that you would typically expect from our new products. We know this may be disappointing, and we want to ensure you receive the support you need moving forward. Our dedicated team is ready to assist you with any questions or concerns. We kindly recommend reaching out to them at www.ConsumerServiceRefurbish.com or by phone at +1 (562) 946-3531. They are available Monday-Friday from 6:00 AM to 2:00 PM PST.
Thank you for your patience and understanding at this time.
Kind regards,
Shark Clean
Thank you for taking the time to leave a review on the Shark Stratos DuoClean.
We completely understand how discouraging it can feel when you’ve invested your time, money, and trust into a purchase, only to find that it isn’t meeting your expectations. Your experience matters to us, and we’re truly sorry for any frustration this has caused. After reviewing our records, it appears that the units you've purchased are refurbished. Due to this, we’re unable to guarantee the same level of performance and reliability that you would typically expect from our new products. We know this may be disappointing, and we want to ensure you receive the support you need moving forward. Our dedicated team is ready to assist you with any questions or concerns. We kindly recommend reaching out to them at www.ConsumerServiceRefurbish.com or by phone at +1 (562) 946-3531. They are available Monday-Friday from 6:00 AM to 2:00 PM PST.
Thank you for your patience and understanding at this time.
Kind regards,
Shark Clean
Written by a customer while visiting sharkninja.com