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How To Install & Set Up the Honeywell Wi-Fi Thermostat ButterflyMX Integration

Overview

Compatible Honeywell Wi-Fi thermostats — see supported models below — integrate with ButterflyMX to give residents control of their in-unit temperature directly from the ButterflyMX app. Before the integration can be activated, the thermostat must be physically installed, connected to Wi-Fi, and registered using the ButterflyMX-provided First Alert login credentials.

⚠️ Important: Thermostats must be set up using the ButterflyMX-provided First Alert account credentials. If the thermostat is registered under a personal or property account, it will not auto-populate on the ButterflyMX platform.

What You'll Need

  • Supported Honeywell Smart Wifi Thermostat (installed and wired)

    • T6 Pro or T10 Pro Wi-Fi 

    • EliteProS1200 WiFi

    • FocusPro S200 WiFi

  • Reach out to your ButterflyMX representative to confirm compatibility. Please note we do not support Z-Wave models. 

  • A smartphone with the First Alert app installed (iOS / Android)

  • The ButterflyMX-provided First Alert account credentials (email + password) — provided by your ButterflyMX Implementation or Solutions team

  • A 2.4GHz Wi-Fi network and password for the unit

Step-by-Step Setup

Step 1: Install the Thermostat

Ensure the thermostat is physically installed and wired correctly per the Honeywell installation guide. The thermostat screen should power on upon completion.

Step 2: Complete the Thermostat's On-Screen Setup

  1. Follow the on-screen prompts on the display to configure basic settings (system type, date/time, etc.)

  2. When prompted to connect to Wi-Fi, select your 2.4GHz network and enter the password

  3. The thermostat will confirm once connected to Wi-Fi

  4. Follow relevant instructions to set ISU (Installer Setup Options) on the thermostat. You will need HVAC device details to set System/Equipment type. Consult an HVAC installer for assistance, if needed. 

  5. Please note, ButterflyMX cannot change or verify ISU or HVAC settings remotely - this must be done on the device during programming by the installer.

Step 3: Download & Open the First Alert App

  1. Download the First Alert app on your smartphone

  2. Open the app and tap "Sign In"

  3. Do NOT create a new account — log in using the ButterflyMX-provided credentials

📌 Reminder: Using the ButterflyMX-provided login is critical. This ensures the thermostat is registered under the correct account and will automatically appear in the ButterflyMX OS.

Step 4: Add the Thermostat in the First Alert App

  1. Once logged in, tap the "+" icon or "Add Device"

  2. Select "Thermostat" as the device type

  3. Follow the in-app prompts — the app will search for and detect the thermostat on the same Wi-Fi network

  4. Confirm the pairing when prompted

  5. Assign a name to the thermostat (be sure to match the name in First Alert to the unit naming in ButterflyMX, e.g., Unit 101)

Step 5: Verify the Device Connection & Functionality

  • Once added, the thermostat should appear in the First Alert app's device list

  • Confirm the status shows "Connected"

  • Test HVAC controls and confirm cold air for AC Mode and hot air for Heat Mode, if applicable. Ensure 

Step 6: ButterflyMX Integration Activates Automatically

Once the thermostat is registered under the ButterflyMX First Alert account, ButterflyMX will automatically add the device — no additional steps are needed on the ButterflyMX OS side. The thermostat will appear in the resident's ButterflyMX app, allowing them to control temperature remotely. Property Managers can manage thermostat assignments from the Smart Home page in the ButterflyMX OS.

 

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