great help
great help. was fast and friendly
By brian
Monday, November 9, 2026 · Customer reviews of US businesses

The Fair Hearing score
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588 reviews
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Altair Technology owns and operates Bitcoin mining facilities in St Charles, Missouri. We have deep expertise in ASIC mining.We sell Bitmain, Whatsminer, Gekkoscience and other popular mining hardware and accessories. We ship worldwide and aim to be a one-stop-shop for all popular mining hardware, parts and accessories. We hold our inventory in Missouri and our in-stock items typically reach US & Canadian customers in 2-3 business days.We also consult with mining farm operators and investors on design and maintenance of cryptocurrency mining farms.
Altair Technology LLC (altairtech.io) has 588 customer reviews on The Fair Hearing, with an average rating of 4.8 out of 5.
Showing 540 reviews with 5 stars · Clear filters
great help. was fast and friendly
By brian
Great customer service and advice on products
By joe M.
I accidently ordered the wrong part for my miner, and Kris at Altair was kind enough to let me return it.
By Dillon M.
Excellent service, timely reply to my questions. Will also purchase another Avalon Q miner from them.
By Bit-Boomer
I needed to move my Ulracher from one wifi to another a few months after my initial purchase from Altair, ran into some issues with the Vonets unit not reseting properly. Reached out to Altair through the support chat, was moved to email support and they patiently helped be troubleshoot and resolve my issue. 5 star support, thank you so much team!
By Happy C.
Dont know if Kris is the owner but he has been very responsive. The screen wasnt working on 1 of the delivered bitaxes and he shipped out a replacement. Initially, I told him I would write a review if I found a block but his immediate replace/response warrants a review. Thanks Kris, and still no block.
By James N.
I am brand new to the world of bitcoin mining but having this bitaxe gamma makes things a lot easier the set-up was quite and easy shipping was as to be expected overall i am 100% satisfied
By Richard Y.
This was my first purchase with Altair and I had many questions before the investment, Kris answered all my questions and informed me of additional info that was extremely helpful.
By Rick