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Guardian ignition interlock

Guardian Interlock, LLC is based in Cincinnati, OH, and its site footer lists LifeSafer, Monitech, QuickStart and LifeSafer ISA as sibling brands without stating ownership. The current device is the Guardian AMS 2500, a name taken from New Mexico's directory.

Company
Guardian Interlock, LLC
Based in
Cincinnati, OH
Current device
Guardian AMS 2500 (name from NM directory; site names no model)
Customer service
(800) 499-0994
16of the 44 state approved lists we've read name Guardian
Alabama: not on the approved listAlaska: not on the approved listArizona: not on the approved listColorado: on the approved listFlorida: not on the approved listGeorgia: on the approved listIndiana: on the approved listKansas: not on the approved listMaine: not on the approved listMassachusetts: on the approved listMinnesota: not on the approved listNew Jersey: on the approved listNorth Carolina: not on the approved listNorth Dakota: no list we could readOklahoma: on the approved listPennsylvania: not on the approved listSouth Dakota: not on the approved listTexas: on the approved listWyoming: not on the approved listConnecticut: not on the approved listMissouri: not on the approved listWest Virginia: no list we could readIllinois: not on the approved listNew Mexico: no list we could readArkansas: on the approved listCalifornia: on the approved listDelaware: not on the approved listDistrict of Columbia: not on the approved listHawaii: not on the approved listIowa: not on the approved listKentucky: on the approved listMaryland: on the approved listMichigan: no list we could readMississippi: no list we could readMontana: no list we could readNew Hampshire: not on the approved listNew York: not on the approved listOhio: not on the approved listOregon: not on the approved listTennessee: not on the approved listUtah: not on the approved listVirginia: not on the approved listWashington: not on the approved listWisconsin: not on the approved listNebraska: on the approved listSouth Carolina: not on the approved listIdaho: on the approved listNevada: on the approved listVermont: on the approved listLouisiana: no list we could readRhode Island: on the approved list
On the state's approved listNot on the listNo list we could read yet

Guardian company record

Founded
19851
Locations it claims
over 400 service centers; its own locator listed 194 when we checked2
States it claims
26 states (location page lists only 11); it's on 16 of the 44 official state lists we've read2

The Guardian device

Guardian AMS 2500 (name from NM directory; site names no model). Features like cameras and GPS depend on what your state requires.

Sensor
Fuel cell. Guardian says the device uses fuel cell alcohol-specific technology.3
Warm-up
Guardian gives no warm-up figure. It says you may see a slightly longer warm-up during extreme cold.4
Operating temperature
Guardian says accuracy exceeds NHTSA specifications of -40° to 180° F. This is a marketing claim.5
Size and weight
Guardian says the handset is similar in size and shape to a cell phone, and it is removable. No weight is given.6
Motorcycles
Guardian says it does not install its device on motorcycles.7

Guardian fees

Published nationally or by the company
FeeAmountApplies toSource
Start-up package (installation, first month and enrollment)$0 total upfrontColorado, New Mexico and California only8
Device installation (typical)~$70-$170National, varies by state9
Monthly lease (typical)$50-$120/monthNational10

Guardian in Texas

10 certified service centers on the Texas DPS list. Advertised for Texas: ~$3/day, install free. Compare Texas companies

Good to know

  • The $0 upfront start-up package applies only in Colorado, New Mexico and California, so the installation range above is the national figure for everyone else.8
  • Calibration generally costs nothing unless the device needs additional servicing, based on a national figure.11
  • Guardian says its device can typically be installed on any vehicle with a 12-volt electrical system that meets minimum standards.12

Compare Guardian

Where Guardian is approved

Arkansas, California, Colorado, Georgia, Idaho, Indiana, Kentucky, Maryland, Massachusetts, Nebraska, Nevada, New Jersey, Oklahoma, Rhode Island, Texas, Vermont

Documents we read

InterlockCompare is independent and isn't affiliated with Guardian. Not legal advice.

Sources

  1. It all started in 1985 when Guardian introduced the first Interlock device in California.guardianinterlock.com/about-us
  2. we’ve grown to over 400 service centers across 26 statesguardianinterlock.com/about-us
  3. The Guardian IID features cutting-edge fuel cell alcohol-specific technologyguardianinterlock.com/guardian-ignition-interlock-device
  4. you may see a slightly longer warm-up period during extreme coldguardianinterlock.com/support/faq
  5. Accuracy exceeds NHTSA specifications (-40° to 180° F)guardianinterlock.com/guardian-ignition-interlock-device
  6. similar in size and shape to a cellular phoneguardianinterlock.com/support/faq
  7. No, we do not install our device on motorcyclesguardianinterlock.com/support/faq
  8. Offer valid in Colorado, New Mexico, and California onlyguardianinterlock.com/ignition-interlock-pricing
  9. Device installation can cost around $70-170 depending on your state requirementsguardianinterlock.com/ignition-interlock-pricing
  10. Leasing an ignition interlock device generally costs between $50-$120 per monthguardianinterlock.com/ignition-interlock-pricing
  11. There is generally no cost to calibrating a device unless it needs additional servicingguardianinterlock.com/ignition-interlock-pricing
  12. can typically be installed on any vehicle with a 12-volt electrical systemguardianinterlock.com/support/faq