What ADT actually is
ADT is the name most Americans think of first, and it has the response infrastructure to match — a nationwide network of monitoring centres with redundancy most competitors do not have. What it asks in return is the longest commitment in this comparison.
What comes in a standard system
- Touchscreen control panel
- Door and window contact sensors
- Motion detector
- Keypad
- Yard sign and window decals
- Optional cameras, smart locks and thermostat
Where it does well
- Largest monitoring network in the US, with multiple redundant centres
- Six-month money-back guarantee — the longest in this comparison
- Professional installation and configuration on every system
- Deep equipment range, so one provider covers a complex property
What to watch for
- 36-month agreement, with 75% of the remaining balance due if you cancel early
- No self-monitoring option — the system needs an active plan to be useful
- Entry monitoring is competitive, but video and smart-home tiers climb quickly
- Sold partly through dealers, so terms can vary by who signs you up
Best for: Households that want a recognised name with serious response infrastructure, and are comfortable committing for three years in exchange for it.
Probably not for: Renters, anyone who may move inside three years, or anyone who wants the option to pause monitoring.
About this page
TryAlarms is an independent comparison and marketing service. we are not ADT, and this site is not operated by ADT. ADT is a trademark of ADT LLC, used here nominatively for identification and comparison.
The figures above are ADT's published starting prices for entry-tier configurations and were last verified on 2 October 2026. They are not a quote. Pricing varies by address, equipment selection, promotions and credit approval, and changes without notice. Confirm everything directly before you purchase.
When you call the number on this page you reach TryAlarms, and we connect you with a specialist who can arrange a professionally installed system through one of our partner providers. Providers compensate us for qualified referrals. That fee is paid from their acquisition budget and does not change your price.
Looking at more than one option? Compare ADT, Vivint and Brinks Home side by side, or see general pricing.