customer
Excellent customer service
The customer service team were very quick to respond to my questions and I am extremely happy and grateful to them - super firm to deal with

At Cleriva, we create science-backed solutions that unlock the power of better breathing for deep sleep, laser focus, and lasting energy. Our mission is to elevate your quality of life by making better health effortless so you can feel your best every day.
Cleriva (cleriva.com) has 338 customer reviews on Five Star Index, with an average rating of 4.6 out of 5.
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338 approved reviews, newest moderated first
customer
The customer service team were very quick to respond to my questions and I am extremely happy and grateful to them - super firm to deal with
Rebecca S.
Great customer service and hopeful that the device is making a difference to my blocked nose
Jason
I haven't used the product but I'm impressed by the customer service department. I ordered Nova Flow because I've had chronic nasal congestion for past 40 years and I'm addicted to using fast acting nasal spray. I know it's bad for me but I really like being able to breathe through my nose. I use it 6-9 times a day. I'll try anything to get off this rebound Rollercoaster to constant congestion. I've scheduled a septoplasty with turbinate reduction and my ENT wants me off everything before surgery. Nova Flow customer service was very kind and sincere in accommodating my recent order request. I don't know if the product works or not but I appreciate the professionalism they've shown me thus far. Jason
ronald T.
Great customer service, you reached out to me and answered my question,recovered my problems tks
Derek
The delivery was left in the wrong place and I couldn't find the package. Cleriva immediately refunded me then a neighbour found the package, but Cleriva still refunded me. That's amazing customer relations!
Keri B.
After 11 years of chronic sinus infections due to an immune deficiency, countless doctors, tests, and medicines, my ENT just told me that my sinuses look the “calmest” he’s seen them. The change? This product. I have been using it daily for about 6 weeks. My husband rarely notices my snoring. I can breathe so much clearer. My sinuses are still far from perfect but I am a believer and so thankful I tried it!
customer
I bought 2 items in error and I was dreading and putting off contacting Cleriva to ask for a refund because I thought it would be such a hassle but instead the response I got was amazing! They replied straight away to my email. They offered me an immediate refund with no further questions and even without the need to return the original items. Just brilliant! They have restored my faith in on-line shopping!!
Bc
I'd love to review the product, but no idea when its arriving - waited over a week.
Response from ClerivaFeb 27, 2026
Hi Bc, I’m really sorry to hear you’re still waiting on your order. I completely understand how frustrating that must feel, especially when you’re ready to try the device. I’d truly like to check the exact status for you and make sure everything is on track. Please send us an email at [email protected] with your order number, and I’ll personally look into it right away. We genuinely appreciate your patience, and thank you for giving us the opportunity to sort this out for you. We’ll make sure you get a clear update as soon as possible.