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 Five Star Index, with an average rating of 4.0 out of 5.
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Showing 541 reviews with 5 stars · Clear filters
TEDDY H.
The professionalism
Response from Guardian InterlockJun 29, 2026
It’s great to hear that Kevin was able to assist you so well. Our team is dedicated to supporting our customers every step of the way, and your recognition reinforces the effort they put in every day.
OSCAR V.
The lady help me today 06-16-2026 she do the best work for me ... Thank you very much
Response from Guardian InterlockJun 17, 2026
We really appreciate you taking the time to highlight Linda. Providing excellent customer support is a top priority, and it’s wonderful to know that they made a positive difference in your experience.
BRENT
Efficient, polite and very professional. 10/10
Response from Guardian InterlockJun 5, 2026
We’re thrilled to hear that Ric provided such great support! Recognizing our team members for their hard work is one of the best parts of what we do, and your feedback will absolutely be shared with them.
Stephanie R.
I had a great experience, very helpful and I love the extra help to understand how to work my interlock
Response from Guardian InterlockJun 1, 2026
Thank you for sharing such kind words about Dylan. Exceptional service is what we strive for every day and knowing that your experience reflected that means a lot to us.
ALFREDO ALVARADO G.
Una experiencia buena apagar los errores de uno pero gracias a esto retiro quien quiere estos ámbitos del alcohol y vivir mejor por eso doy gracias los errores separan caros pero muchas ganas
Response from Guardian InterlockMay 11, 2026
Agradecemos sus comentarios y nos alegra mucho saber que su experiencia con Guardian ha sido positiva. Nuestro equipo se dedica a hacer que el programa de interbloqueo sea lo más fluido y libre de estrés posible para nuestros clientes.
CRAIGERS
Friendly service from the first phone call.
Response from Guardian InterlockMay 6, 2026
We’re so glad you had a great experience with Ruben. At Guardian, we know that every interaction matters, and it’s wonderful to hear that their support made a difference for you.
Darylyn A.
My operater did everything and then some... I came for a quote expecting a hassle because I've had it happen with more companies but he made it not only a great experience but a relief with certain life circumstances happening...
Response from Guardian InterlockMay 4, 2026
It’s great to hear that Dylan was able to assist you so well. Our team is dedicated to supporting our customers every step of the way, and your recognition reinforces the effort they put in every day.
Beth
She was very efficient, friendly, and answered all my questions.
Response from Guardian InterlockMay 4, 2026
We really appreciate you taking the time to highlight Brynn. Providing excellent customer support is a top priority, and it’s wonderful to know that they made a positive difference in your experience.