The download button opens the iTunes App Store, where you
may continue the download process. You must have iTunes installed with an
active iTunes account in order to download and install the software. This
download may not be available in some countries.
From Goodman Global Inc:
The Goodman Skyport Comfort Control App allows iPhone, iPad and iPod Touch users to remotely monitor and control their heating and cooling systems. From the couch to across town, with Comfort Control you may control up to 10 locations with up to 10 thermostats at each location from your mobile device. Skyport Comfort Control features include: Simple, easy to use control of the thermostat. Current weather and forecast is displayed for each location. Monitor energy use. Send personal texts directly to the thermostats display, such as: "I will be home at 6pm for dinner". Receive alerts when the space where the thermostat is located is too hot or cold. Turn on/off time period programming or vacation settings. Emails may be configured to go to your HVAC service provider when service is needed. Compatible with Goodman TouchScreen thermostat models: TSTATG4271GT & TSTATG4271CGT.