William P.
CoolCove units do not cool as advertised
I purchased three cool cove air conditioning units. Purchase was made in June 2026. I contacted their customer service folks after two weeks because I had not received my units. They responded in a few days and apologized that the popularity of the cool cove units was so great that they were out of stock. They further told me they would let me know when my backordered units would be delivered. A full month later I received one of the three units I had ordered. When I removed it from the box, there was no identification on the box or unit or accompanying paperwork, that mentioned CoolCove or Onninest. I preceded to plug the unit in and see how it worked. Mind you, these were advertised as an air conditioning unit that could cool a room in a short time. These units have absolutely no cooling equipment in them. They are nothing more than a fan and heating element. This is absolutely an example of deceptive advertising. Like a dummy, I fell for the buy three and get a reduced price on each one. I wish I had looked this product and company up on Trust Pilot before I let them con me out of my money. There are 100's of negative reviews about this CoolCove air conditioner on Trust Pilot. I have contacted Onninest via email as of today requesting to return all three units and receive my 100% guaranteed refund with in 90 days. Since I received my third one today, I would think that is when my 90 days of return eligibility would start. At the time of my original purchase, Onninest also charged me for an ongoing subscription to some sort of random gifts they were going to be sending on a regular basis and were planning on charging me monthly for this subscription. I never asked for this subscription, nor did I want it. It took me several emails back and forth with their customer service folks to have them take off this extra charge and to refund my money. This entire experience has reminded me of how many scammers are out there. Onninest has proven to be untrustworthy, and that they are misleading consumers with their deceptive advertising and unscrupulous business practices. I will wait for their response to my return request. If I don't get one, I will write to the BBB of the State of Wyoming.
Response from OnninestAug 25, 2026
We’re very sorry to learn about the concerns raised in this review. We understand how disappointing it must have been to experience delays with the order, receive the units over an extended period, and then feel that the product did not perform as expected. We also acknowledge the frustration surrounding the additional subscription charge and the effort required to have it addressed. We take the customer’s concerns seriously and would like the opportunity to review the order and assist with the requested resolution. We have reached out through Trustpilot to request the customer’s order and contact information so we can locate the transaction, review the details of their case, and work with them directly to address their concerns as thoroughly as possible. We sincerely regret that this experience has caused frustration and affected the customer’s confidence in our company. We are committed to doing everything we can to ensure their concerns are properly reviewed and that a fair and appropriate resolution is reached.


