
Alarm.com Smart Thermostat
Score: 78/100
Honeywell Home RTH9600WF
Score: 78/100Rankings

The Alarm.com Smart Thermostat is a Z-Wave-enabled thermostat featuring a high-resolution color touchscreen and machine-learning HVAC health monitoring. Its main drawbacks are the required Alarm.com subscription, mandatory C-wire, and a limited operating temperature range. It is best suited for existing Alarm.com security customers who want deep integration and humidity control.

The Honeywell Home RTH9600WF is an ENERGY STAR-certified smart thermostat featuring a vibrant color touchscreen and extensive smart-home integration. Its requirement for a dedicated C-wire and incompatibility with certain heating systems limit installation flexibility. Ideal for homeowners with compatible 24 VAC systems seeking advanced display and remote control.
| Attribute | ![]() | ![]() |
|---|---|---|
— | 2 yearsbest | |
| ↓ lower better | 0.14 kgbest | 0.318 kg |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
General(1) | ||
HVAC Compatibility | Heat up to 3 stages, Cool up to 2 stages, Heat pump (O/B), Fan (G), Humidifier/dehumidifier/vent (Z1/Z2 configurable) | Works with 24 VAC systems (forced air, heat pump, hydronic, hot water, steam); requires C-wire; incompatible with millivolt, 120/240V baseboard heat, heating-only oil furnaces without C-wire |
Connectivity(1) | ||
Smart Home Integration | Alarm.com, Z-Wave | Amazon Alexa, Google Assistant, IFTTT, iOS, Android |
Power & Installation(1) | ||
Power Source | 24 VAC | Battery |
Display(1) | ||
Display Type | color touchscreen | LCD color touchscreen with backlight |
Build & Design(2) | ||
Device Weight (kg) | 0.14 kg | 0.318 kg |
Device Dimensions (H×W×D) (mm) | 50.8×203.2×203.2 mm mm | 89x22x114 mm mm |

Products in the top-left offer the best value (high score, low price).

Professional reviewers highlight the thermostat's seamless integration with Alarm.com, noting the built-in Z-Wave hub reduces hardware clutter and the machine-learning HVAC monitoring provides valuable early-warning alerts. They also praise the sleek touchscreen design and straightforward installation, while cautioning that the product requires an Alarm.com service subscription and has a limited temperature operating range.
Everyday users appreciate the convenience of remote app control, real-time alerts, and the ability to manage humidity, but they commonly express frustration over the mandatory C-wire requirement and the need for an ongoing Alarm.com subscription to unlock full features.



Professional reviewers such as Consumer Reports evaluate the RTH9600WF on smart-feature performance (Smart IQ), manual operation ease, and automation capabilities, but detailed ratings are behind a subscription wall, leaving only a general acknowledgment of its comprehensive smart-thermostat functionality.