Smart Shield Systems
ADC-T2000 Z-Wave Smart Thermostat
Bring your HVAC under smart control with the Alarm.com ADC-T2000. This Z-Wave thermostat supports multi-stage heating/cooling and heat pumps, works with 24 VAC systems, and can be powered by 4×AA batteries or a C-wire. Manage schedules and setpoints from the Alarm.com app, and we can service and fine-tune it remotely.
Why Choose This with Smart Shield Systems
- Broad HVAC compatibility (conventional and heat pump systems, multi-stage).
- Flexible power: runs on batteries (up to ~18 months) or 24 VAC C-wire.
- Z-Wave (Alarm.com) control for app access, scenes, automations, and remote tweaks.
- Pro install & support: we handle wiring, configuration, and remote diagnostics via Alarm.com tools.
Key Features
- Multi-stage support: up to 3 stages heat and 2 stages cool; heat pump with auxiliary supported.
- Humidity/ventilation options on supported systems (humidifier, dehumidifier, vents).
- Z-Wave Plus radio for reliable panel integration and automation.
- Power choices: 4×AA or 24 VAC C-wire; batteries can serve as backup even when a C-wire is present.
- Remote configuration & support via Alarm.com (AirFX/MobileTech).
Product Specifications (At-a-Glance)
- Model: ADC-T2000 (Smart Thermostat)
- Power: 4×AA alkaline or 24 VAC (C-wire); battery operation rated up to ~18 months.
- HVAC compatibility: Conventional & heat pump; up to 3H/2C; aux heat supported; dual fuel supported.
- Terminals (examples): Y/Y2, W/W2, O/B, G, C, RH/RC.
- Communications: Z-Wave / Z-Wave Plus (Alarm.com-compatible panels).
- Dimensions: 4.0″ × 4.75″ × 1.0″; Operating temp: 32–122 °F (0–50 °C).
Compatibility Notes
- Designed for 24 VAC low-voltage systems only (not 120/240 V line-voltage).
- Heat pumps require an O/B wire; we’ll verify wiring and system type during install.
- Works with the Alarm.com app and compatible security panels for local/app control.
Popular Use Cases
- Upgrade a standard programmable thermostat to smart schedules & app control
- Add automations (e.g., set back when you arm Away; resume comfort when you disarm)
- Manage humidity/ventilation on supported systems for comfort and air quality
Frequently Asked Questions
No—the T2000 can run on 4×AA batteries. However, a C-wire provides continuous power, and many pros still add batteries as backup. We’ll confirm the best option on site.
In most cases, yes. It supports conventional and heat pump systems with multi-stage heating/cooling (up to 3H/2C), plus aux heat. We verify stages and wiring during install.
Absolutely—use the Alarm.com app and website for modes, setpoints, schedules, and automations; local control at the thermostat is also supported.
Yes, the platform and thermostat can be configured for humidifier/dehumidifier control and ventilation on compatible systems.
No. The T2000 is for low-voltage 24 VAC HVAC only—not 120/240 V systems.
Additional Resources
Download ManualReady to Save Energy—Smartly?
Smart Shield Systems will wire, enroll, and configure your ADC-T2000, set schedules and scenes in Alarm.com, and enable remote support—so your comfort and savings run on autopilot.