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ADT vs. Guardian Protection

Two established security providers compared

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Edited by: Justin Martino
ADT

ADT and Guardian Protection both offer professionally installed home security. The right pick depends on where you live and which hardware ecosystem fits your home.


Key insights

ADT is best for homeowners who want reliable monitoring and don't mind signing a long contract.

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Guardian Protection is best for homeowners who prioritize integrated smart home functionality over flexibility and cost savings.

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ADT vs. Guardian Protection: Quick comparison

ADT vs. Guardian Protection: What's the difference?

ADT is the hands-off security choice: a certified technician handles everything, 24/7 monitoring runs in the background and Google Nest integration adds smart home capability on top. With more than 140 years in the industry, ADT carries one of the most recognizable names in home security.

Guardian Protection is a traditional security provider focused on professionally installed smart home and security solutions tailored to each property. It sets itself apart through reliable monitoring centers and a consultative sales approach that produces custom system designs rather than off-the-shelf packages.

What we like about ADT

  • Service reliability: ADT backs its service with guarantees, including theft protection and a six-month money-back guarantee.
  • Smart integration: ADT connects with Google Nest cameras, doorbells and smart locks, enabling advanced features like facial recognition.

What to consider: The three-year contract is the primary trade-off for ADT's professional service. Equipment costs are also relatively high, especially when compared to DIY alternatives.

What we like about Guardian Protection

  • Five Diamond certification: Guardian Protection holds The Monitoring Association's highest industry certification for emergency response centers.
  • Price-lock guarantee: Monitoring rates are often locked in for three to five years, so your monthly cost won't rise during the contract term.
  • Customized solutions: A consultative sales process means you get a tailored system quote rather than a one-size-fits-all package.

What to consider: Limited availability is the most significant constraint — Guardian Protection serves only select states. Mandatory professional installation and long contracts of 36 to 60 months are also required.

ADT vs. Guardian Protection: System and installation

Both ADT and Guardian Protection require professional installation for their wireless setups. Here's what to expect from each provider's installation experience.

ADT system and installation

  • System type: ADT's equipment is wireless and connects via cellular networks. Every plan includes professional monitoring.
  • Installation options: A certified ADT technician handles the full installation, with fees typically ranging from $99 to $199 — though these are often waived during promotional periods.

ADT equipment costs

ADT equipment packages start at $599 and can exceed $1,500 depending on your configuration. You can spread equipment costs across your contract term through financing.

Guardian Protection system and installation

  • System type: Guardian Protection uses wireless equipment with PowerG encryption and smart device integration, combining security, fire protection and full smart home control in one system.
  • Installation options: Professional installation is standard for all new customers. Free professional installation is often bundled with standard packages.

Guardian Protection equipment costs

Basic intrusion detection packages typically start between $199 and $299, while premium packages with cameras and smart home devices can run $499 or more. Individual pricing requires a custom quote and is not publicly listed.

ADT vs. Guardian Protection: Monitoring plan costs

ADT and Guardian Protection both deliver 24/7 professional monitoring, though their plan structures and pricing differ.

ADT monitoring plans

  • Secure Plan: Starts at $28.99 to $34.99 per month. Covers burglary, fire and carbon monoxide monitoring.
  • Smart Plan: Starts at $39.99 to $44.99 per month. Adds smart home automation and remote app control.
  • Complete Plan: Starts at $49.99 to $59.99 per month. Includes cloud video storage, video verification for cameras and doorbells and smart home automation via Google Nest integration.

Contract commitment: ADT requires a 36-month contract in most states, though California residents have a 24-month option. Early cancellation means paying 75% of the remaining contract balance.

Guardian Protection monitoring plans

  • Standard Security: Starts around $34.95 per month. Includes 24/7 monitoring and mobile app access.
  • Essential Smart Home: Starts around $49.99 per month. Adds smart automation for locks and lights.
  • Premium Security: Starts around $59.99 per month. Required for video surveillance features and high-level automation.

Contract commitment: A 36-month to 60-month contract is required. The contract helps offset professional installation and equipment costs. A month-to-month option may be available if you purchase a high-value equipment package outright without financing.

» COMPARE: ADT vs. Cove

Don't like scammers? You won't like burglars either. See your best security system.

ADT vs. Guardian Protection: Equipment and technology

Here's how the touchscreen control panels and home automation capabilities from these two professional providers compare.

Reputation on ConsumerAffairs

What ADT customers say

ADT customers on ConsumerAffairs frequently mention the reliability of its monitoring service and the professionalism of its installation technicians. Positive reviews tend to credit the company's long track record and responsiveness during emergencies, while critical reviews cite concerns about contract length and equipment costs.

"Every time I have an issue or can't figure out something, ADT’s representative or salespersons are right there, explaining it to me and making sure that everybody's on one page. … The ADT system is excellent and on point."
Terry of Philadelphia, PA

What Guardian Protection customers say

Guardian Protection customers on ConsumerAffairs often highlight the quality of its professional installation and the responsiveness of its monitoring centers. Reviewers appreciate the customized approach to system design, though some note that limited regional availability and long contract terms are drawbacks worth considering.

"The knowledgeable technician was on time and came equipped with all tools and devices necessary for a thorough installation. He was professional and did clean work. I have been a longtime customer and could not be more pleased."
Laurence of Amelia, OH

Bottom line: ADT or Guardian Protection?

Choose ADT if you want a hands-off security setup backed by a long operating history and don't mind committing to a multi-year contract. The cost is higher than DIY systems, but you're paying for well-established monitoring infrastructure and Google Nest integration.

Choose Guardian Protection if you want a custom-designed, professionally installed system with locked-in monitoring rates. It requires a long contract and isn't available in all states, so if you need nationwide coverage or DIY flexibility, other providers will serve you better.

» MORE: SimpliSafe vs. Guardian Protection

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