Set-Thermostat

PowerShell function to change temperature settings on a Honeywell T5-T6 Lyric thermostat.

Requirements

This script is for Windows PowerShell and will not work on PowerShell Core.

PSVersion	5.1.19041.1151
PSEdition	Desktop
BuildVersion	10.0.19041.1151
CLRVersion	4.0.30319.42000
WSManStackVersion	3.0

Environment Variables

In order to use this script, you must have these environment variables set. These values are availabe once you register with Honeywell Home Developer

• HWAPIKEY = Consumer Key that you are given once you register an app.
• HWCALLBACK = The URLEncoded callback url that you set when you register an app.
• HWDEVICE = Your thermostat's device id. Nomenclature is LCC-{Non colon separated thermostat MAC address}.
• HWLOCID = Your location id. This is retrievable via the https://api.honeywell.com/v2/locations endpoint
• HWPASS = Your URLEncoded password to login to https://developer.honeywellhome.com/
• HWUSER = Your URLEncoded username (email address) to login to https://developer.honeywellhome.com/

Installation

Load the script into your current Windows PowerShell session.

iex (irm "https://raw.githubusercontent.com/nstevens1040/Set-Thermostat/main/Set-Thermostat.ps1")

Usage

example

Set-Thermostat -CoolSetpoint 69