A/C Monitoring System

Sentree provides 24/7 real-time remote monitoring of residential central air conditioning systems to track A/C health. When unusual activity occurs, Sentree provides HVAC contractors with the information they need to proactively diagnose the issue and dispatch the right service to the property.

Sentree can help HVAC contractors increase maintenance revenue, reduce truck rolls, and boost customer retention.

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sentree air conditioner sensor
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a/c health

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Pressure gauge reading close to the maximum pressure reading


thermometer reading almost maximum temperature


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installs in 10 minutes

Sentree is designed for most residential central A/C units and can be quickly installed by an HVAC technician. It takes less than 10 minutes to attach the temperature, current, and pressure sensors and mount Sentree to a wall or the A/C unit.

monitor a/c performance

Temperature Sensors
Live temperature data for ambient air, vapor and liquid lines. Calculated superheat and subcool.

Pressure Sensors
Up to the minute PSI measurements for liquid and vapor line pressure.

Current Sensor
Real-time amperage readings

sentree air conditioner sensor installed next to air conditioner

increase maintenance revenue

Start selling monitoring plans or add to current offerings for your customers. Getting started has never been easier.

Three contracts, one positioned in front of the rest

Grow business with service plans


Stand out from the competition

decrease service costs

Rich data from the Alert Labs Dashboard keeps you informed about customer properties before you make onsite visits.


Plan maintenance calls

Reduce truck rolls

Contractor Holding Phone

insights for contractors

From the dashboard you can see the status of customer A/C units and view live diagnostics for remote troubleshooting. Provide better customer service by responding to problems faster.

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pressure gauge reading close to maxed out


Refrigerant and Compressor Valve Leaks


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Customer Value

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Remote Diagnostics

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More Maintenance Contracts

always connected

A cellular connection that does not require a separate carrier agreement, on-site internet, or WiFi connection.

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No WIFI pairing required

Cell tower broadcasting a signal

Cellular connection keeps Sentree working 24/7

sentree air conditioner sensor installed next to air conditioner

total property protection

Easily pair Floodie flood sensors with Sentree to help protect properties from water damage while monitoring A/C. Place Floodie in areas at risk for leaks and floods: near water heater tanks, air handlers, washing machines, sump pits, and under sinks.

floodie flood sensor
house protected by Sentree A/C monitoring system and Floodie flood sensors

float switch alerts

Receive alerts when A/C drain line is clogged or water is in drip pan

Help protect homes from clogged A/C drain line water damage

Send the right technician during regular business hours

float switch cable installed in attic
Alert labs desktop app and mobile app showing Sentree page
Alert labs app and dashboard showing the Sentree view for commercial users.
Alert labs dashboard displaying a list of properties

dashboard for homeowners

The platform provides 24 hour monitoring to provide information about A/C performance and status to keep the air conditioner running efficiently.

dashboard for contractors

Historical data and analytics enable service teams to provide proactive maintenance and repairs which can lead to more efficient service dispatch and increased customer satisfaction.

command center for all A/C units

Monitor multiple customer properties in one place. Assign service team members to individual properties to receive emergency alerts and A/C analytics.

2 sentrees +
2 floodies

Take your business to the next level with Sentree!

Sentree a/c monitoring system and Floodie flood sensor

Limited time

Sentree starter kit

Only $675

Order Sentree on our distributor's website below:



get in touch!

The best way to understand how our sensors and monitoring help grow your business is to see them for yourself. Fill out the form and we'll set up a time to show you how easy it is to increase revenue, stand out from the competition, and boost customer retention.

Please enter the name(s) of the HVAC distributor(s) you work with