Guardian Ignition Interlock is CO’s most affordable ignition interlock device. Guardian’s device is discreet and one of the easiest to use devices on the market. With over 30 years of experience, Guardian is one of the most trusted iid brands. Our location at 2800 Moorhead Ave is CO certified with expert technicians for all your interlock installation and calibration needs.

LifeSafer Ignition interlock is the leading ignition interlock provider nationwide and home to “No-Call Install”, the first fully online installation booking tool. LifeSafer’s locations are CO certified and our expert technicians at 2800 Moorhead Ave can handle all your installation and calibration needs. LifeSafer has over 30 years of ignition interlock experience and has helped over 1.5 million people get... Read More about LifeSafer Ignition Interlock

Smart Start is the #1 Ignition Interlock Device provider in Boulder with same-day installation available for your vehicle. We’re a convenient and affordable Colorado IID supplier located in Downtown Boulder at 2360 Arapahoe Ave with mobile services and price matching available to give you the best value. Our reliable customer service experts and licensed technicians will make your IID device... Read More about Smart Start Ignition Interlock

Smart Start is the #1 Ignition Interlock Device provider in Boulder with same-day installation available for your vehicle. We’re a convenient and affordable Colorado IID supplier located in Northeastern Boulder at 4747 Pearl St with mobile services and price matching available to give you the best value. Our reliable customer service experts and licensed technicians will make your IID device... Read More about Smart Start Ignition Interlock