ADT vs CPI Security is a common comparison for homeowners in the Southeast US. ADT is the 150-year-old national giant with 6 million customers. CPI Security is a Charlotte-based regional provider known for professional installation and video verification. But both rely on the same problematic business model — long contracts, professional installation markups, and monthly costs that add up fast.
This guide compares every plan, every cost, the monitoring technology, and explains why most people should consider a third option that costs $1,000+ less over 3 years.
Quick Comparison: ADT vs CPI Security (2026)
| Feature | ADT | CPI Security |
|---|---|---|
| Founded | 1874 (152 years) | 1991 (35 years) |
| Customers | ~6 million nationwide | ~250,000 (Southeast) |
| Coverage | All 50 states | NC, SC, GA, TN, VA, MD only |
| Installation | DIY (Self Setup) or professional | Professional only (free install) |
| Platform | ADT+ app (Google/Nest) | Alarm.com |
| Monitoring | $24.99-$59.99/mo | ~$39.95-$54.95/mo |
| Contract | None (Self Setup) or 36 months | 36-60 months |
| Video verification | Available (higher tiers) | ✅ Real Time Response™ (standard) |
| Own monitoring center | ✅ 9 centers | ✅ Charlotte, NC center |
| Smart home | Google Home, Alexa | Alarm.com (Z-Wave), Alexa, Google |
| HomeKit | ❌ | ❌ |
| DIY option | ✅ (Self Setup) | ❌ |
| BBB rating | A+ (1.1★ reviews) | A+ (3.8★ reviews) |
Company Profiles
ADT: The National Giant
| Detail | ADT |
|---|---|
| Founded | 1874 — American District Telegraph |
| Headquarters | Boca Raton, FL |
| Customers | ~6 million (largest US security company) |
| Monitoring centers | 9 UL-listed centers across the US |
| Two paths | ADT Self Setup (DIY, no contract) and ADT Professional (pro install, 36-month contract) |
| Google partnership | Nest cameras and devices integrated into ADT+ platform |
| Revenue | ~$6.6 billion (2024) |
CPI Security: The Southeast Specialist
| Detail | CPI Security |
|---|---|
| Founded | 1991 by Ken Gill |
| Headquarters | Charlotte, NC |
| Service area | NC, SC, GA, TN, VA, MD (major metros only) |
| Monitoring center | Own center in Charlotte — Five Diamond CSAA certified |
| Standout feature | Real Time Response™ — video verification where agents view camera footage during alarms |
| Installation | 100% professional — CPI technicians install every system |
| Reputation | Better customer reviews than most national providers (3.8★ BBB) |
Monitoring Plans & Pricing
ADT Plans (2026)
| Plan | Monthly | Install | Contract | Key Features |
|---|---|---|---|---|
| Self Setup | $24.99 | $0 (DIY) | None | Google Nest equipment, app control, pro monitoring, cellular |
| Smart Home | $28.99 | $99-$199 | 36 months | Pro install, smart home, basic cameras |
| Smart Home + Video | $44.99 | $99-$199 | 36 months | Cameras, video clips, smart home |
| Complete + Video | $59.99 | $99-$199 | 36 months | All features, 24/7 video, video verification |
CPI Security Plans (2026)
| Plan | Monthly | Install | Contract | Key Features |
|---|---|---|---|---|
| Essentials | ~$39.95 | Free | 36-60 months | Panel, sensors, 24/7 monitoring, cellular backup |
| Complete | ~$44.95 | Free | 36-60 months | + cameras, Real Time Response™ video verification |
| Premier | ~$54.95 | Free | 36-60 months | + full smart home automation, doorbell camera, more devices |
Note: CPI pricing varies by market and system configuration. “Free installation” means equipment costs are baked into the monthly fee over the contract term — you’re still paying for it.
3-Year True Cost Comparison
| System | Equipment | Install | Monthly | 3-Year Total | Contract | ETF Risk |
|---|---|---|---|---|---|---|
| CPI Essentials | $0 (included) | Free | $39.95 | $1,438 | 36-60 mo | $600-$1,500 |
| CPI Complete | $0 | Free | $44.95 | $1,618 | 36-60 mo | $675-$1,685 |
| CPI Premier | $0 | Free | $54.95 | $1,978 | 36-60 mo | $825-$2,060 |
| ADT Self Setup | $199-$449 | $0 | $24.99 | $1,099-$1,349 | None | $0 |
| ADT Smart Home | $0-$299 | $99-$199 | $28.99 | $1,143-$1,942 | 36 mo | $522-$783 |
| ADT Complete + Video | $0-$499 | $99-$199 | $59.99 | $2,258-$2,857 | 36 mo | $1,080-$1,620 |
| Abode (self-monitored) | $199 | $0 | $0 | $199 | None | $0 |
| Abode Connect+ | $199 | $0 | $12 | $631 | None | $0 |
| Ring Protect Pro | $199-$329 | $0 | $20 | $919-$1,049 | None | $0 |
| SimpliSafe | $249-$509 | $0 | $17.99 | $897-$1,157 | None | $0 |
The math: CPI’s cheapest plan costs $1,438 over 3 years with cancellation risk up to $1,500. Abode with professional monitoring costs $631 — saving $807 with zero contract risk. Even ADT Self Setup at $1,099 costs nearly double Abode.
Video Verification: CPI’s Real Advantage
CPI’s strongest feature is Real Time Response™ — and it’s a genuine differentiator:
| Step | Traditional Monitoring | CPI Real Time Response™ |
|---|---|---|
| 1 | Alarm triggered → sensor signal sent | Alarm triggered → sensor signal + camera feed sent |
| 2 | Monitoring agent calls customer | Agent views live camera footage |
| 3 | If no answer, agent calls emergency contacts | Agent verifies: real threat or false alarm |
| 4 | If no one answers, dispatch police | If real threat: immediate dispatch with visual confirmation |
| 5 | Police may deprioritize (high false alarm rates) | Police respond faster — verified alarm = priority response |
Why this matters: 94-98% of alarm dispatches are false alarms. Many cities fine homeowners $25-$500 per false alarm and some police departments deprioritize unverified alarms. Video verification solves both problems — agents only dispatch when they see a real threat, and police treat verified alarms as high-priority.
Who Else Offers Video Verification?
| Provider | Video Verification | Monthly Cost | How It Works |
|---|---|---|---|
| CPI Security | ✅ Real Time Response™ | $44.95+ (Complete plan) | Agent views camera feed during alarm |
| ADT | ✅ (Complete + Video plan) | $59.99 | Google Nest camera integration |
| Vivint | ✅ | $44.99 | Proprietary cameras with agent access |
| SimpliSafe | ✅ Fast Protect | $29.99 | Agent views SimpliCam during alarm |
| Abode | ❌ (camera clips available) | $12 | You view clips + monitoring center dispatches based on sensor data |
| Ring | ❌ | $20 | Standard sensor-based dispatch |
Monitoring Quality Comparison
| Feature | ADT | CPI Security | Abode |
|---|---|---|---|
| Own monitoring center | ✅ 9 centers | ✅ 1 center (Charlotte) | ✅ (COPS Monitoring) |
| CSAA Five Diamond | ✅ | ✅ | ✅ |
| UL-listed | ✅ | ✅ | ✅ |
| Redundancy | ✅ (9 centers = high redundancy) | ⚠️ (1 center = single point) | ✅ (multiple COPS facilities) |
| Average response time | ~30 seconds | ~15 seconds (with video) | ~30 seconds |
| Video verification | Higher tiers only | ✅ Standard | ❌ |
| Cellular backup | ✅ | ✅ | ✅ ($6/mo+) |
| Crash & smash | ✅ | ✅ | ✅ ($12/mo+) |
| Two-way voice | ✅ | ✅ | ✅ |
CPI’s monitoring advantage: Faster response via video verification, and their single-center model means agents are specialized and well-trained. CPI’s monitoring weakness: Only one center in Charlotte — if it’s impacted by a hurricane or disaster (common in the Carolinas), there’s less redundancy than ADT’s 9-center network.
Smart Home Comparison
| Feature | ADT | CPI Security | Abode |
|---|---|---|---|
| Platform | ADT+ (proprietary) | Alarm.com | Abode app + HomeKit |
| Z-Wave | Limited | ✅ (via Alarm.com) | ✅ Full Z-Wave Plus hub |
| Zigbee | ❌ | ❌ | ✅ |
| HomeKit | ❌ | ❌ | ✅ Native |
| Alexa | ✅ | ✅ | ✅ |
| Google Home | ✅ (Google partnership) | ✅ | ✅ |
| Geofencing | ✅ | ✅ (Alarm.com) | ✅ CUE automations |
| Smart locks | Google Nest x Yale | Alarm.com locks | Schlage, Yale, Kwikset, August |
| Thermostat control | Google Nest | Alarm.com thermostats | Z-Wave thermostats |
| Custom automations | Limited (scenes) | ✅ Alarm.com rules | ✅ CUE (if/then rules) |
CPI Security Coverage Map
CPI is only available in select metro areas across 6 states:
| State | Major Markets | Coverage Level |
|---|---|---|
| North Carolina | Charlotte, Raleigh, Durham, Greensboro, Winston-Salem | Most comprehensive |
| South Carolina | Charleston, Greenville, Columbia, Myrtle Beach | Good coverage |
| Georgia | Atlanta metro | Metro only |
| Tennessee | Nashville area | Limited |
| Virginia | Hampton Roads, Richmond | Limited |
| Maryland | Baltimore area | Limited |
If you’re outside these areas, CPI isn’t an option. Even within these states, coverage is concentrated in major metros — rural areas may not be served.
Who Should Choose What
| Choose This | If You… |
|---|---|
| CPI Security | Live in Charlotte/Raleigh metro, want video verification, prefer someone else installs everything, don’t mind 36-60 month contract, value local company |
| ADT Self Setup | Want the ADT brand name with no contract, prefer Google/Nest equipment, want DIY install |
| ADT Professional | Want nationwide pro installation, don’t mind 36-month contract, want Google Nest cameras included |
| Abode | Want the best value ($631 vs $1,438-$1,978), want HomeKit + Z-Wave + Zigbee smart home hub, want free self-monitoring option, want no contract |
| Ring | Already in Amazon ecosystem, want cameras + alarm together, want no contract |
| SimpliSafe | Want video verification (Fast Protect) without CPI’s contract or price, prioritize simplicity |
Contract & Cancellation Comparison
| Factor | ADT Professional | CPI Security | Abode |
|---|---|---|---|
| Contract length | 36 months | 36-60 months | None |
| Early termination fee | 75% of remaining balance | 75% of remaining balance | $0 |
| Auto-renewal | Yes (month-to-month after term) | Yes (may auto-renew for 12+ months) | N/A |
| Cancellation method | Phone + certified mail recommended | Phone + written notice | Cancel in app anytime |
| Equipment if you cancel | You may keep (depends on financing) | Equipment may be leased | You own everything |
| Moving | Transfer service or pay ETF | Transfer if new home in service area, otherwise ETF | Take it with you (15-min reinstall) |
ADT vs CPI Security FAQ
Is CPI Security better than ADT?
CPI has better customer reviews (3.8★ vs 1.1★ BBB) and faster response via video verification. But CPI only serves 6 Southeast states, requires professional installation, and costs $1,438-$1,978 over 3 years. ADT Self Setup is cheaper ($1,099-$1,349) with no contract. For most people, Abode at $631 over 3 years with professional monitoring is the best value.
What is CPI’s Real Time Response?
Real Time Response™ is CPI’s video verification system. When an alarm triggers, a CPI monitoring agent can view live camera footage to confirm whether it’s a real threat or a false alarm. If it’s real, they dispatch police with visual confirmation — which means faster, higher-priority response. It’s CPI’s strongest feature and genuinely useful.
Can I get CPI Security outside the Southeast?
No — CPI only operates in NC, SC, GA, TN, VA, and MD, and only in major metro areas within those states. If you’re outside their coverage, consider Abode (nationwide, no contract), Ring, or SimpliSafe as alternatives that work anywhere.
Does CPI require a contract?
Yes — CPI requires 36-60 month contracts with early termination fees of approximately 75% of the remaining balance. This is their biggest drawback compared to no-contract alternatives like Abode, Ring, and SimpliSafe.
Is ADT Self Setup any good?
ADT Self Setup is ADT’s best offering — no contract, DIY install, Google Nest equipment, and $24.99/month monitoring. It’s a solid option if you specifically want the ADT brand. However, Abode Connect+ offers similar monitoring for $12/month with HomeKit support, Z-Wave/Zigbee hub, and free self-monitoring — saving $468 over 3 years.
Should I choose a local security company or national?
Local companies like CPI often provide better installation quality and customer service. But they come with geographic limitations, longer contracts, and higher prices. National DIY systems like Abode offer lower costs, no contracts, and you can take the system with you when you move — which matters in a market where people move every 5-7 years on average.
Growing up with Law and Order and CSI shows taught Isabelle Landau one thing: if people back then had high-quality home security systems, those series would have been way shorter. In our modern world, technology helps us keep burglars away easily, and this is what Izzy studies and writes about: alarm systems, home security, protection systems, and more.