Good service
I had a very positive customer service experience with your company. Thank you!
By AES
Sunday, November 8, 2026 · Customer reviews of US businesses
The Fair Hearing score
Great
813 reviews
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Honesty, pricing, process and quality scores appear once 5 customers have rated them.
Guardian Interlock provides ignition interlock systems (also known as "blow and go" or "car breathalzyer" for people who need or want them after a DUI/DWI arrest. We provide high quality services and devices to make the process of installing and using an interlock as easy as possible.
Guardian Interlock (guardianinterlock.com) has 813 customer reviews on The Fair Hearing, with an average rating of 4.0 out of 5.
Showing 541 reviews with 5 stars · Clear filters
I had a very positive customer service experience with your company. Thank you!
By AES
Heather was so helpful and amazing! Great service!
By Kristin
I initially called Guardian and the rep hung up before saying hello. Your rep was very profession and went above and beyond to take care of by situation.
By James
Addressed all my concerns and questions and got everything set up for me quickly and conveniently. Very pleasant experience.
By Bruce
very good interview
By Gustavo
In this awkward situation , Stephen was so helpful and informative. I was very nervous and embarrassed but he moved right along with the installation and demo of the device making me feel totally at ease.
By Lisa
My call was answered in a matter of a few minutes. I was able to get all the information I needed in one call including an appointment for installation!!! The representative was efficient and diligent in her quest to get the answers I was looking for!! Thank you so much again!
By ZOLENA
I had a great experience scheduling my appointment to get the interlock installed in my vehicle. It was quick and easy and all my questions were answered. I got an appointment for the next day.
By Nicole