Monitor and control your Carina grid-interactive water heater remotely. View tank temperatures, hot water levels, and critical alarms. Track estimated energy usage and activate vacation mode for convenience.
2.9.0
January 9, 2026
Fixes to login and password reset workflows.
Carina allows you to monitor your water heater's tank temperature and remaining hot water. You can also view critical alarms, track estimated energy usage, and remotely set your water heater to vacation mode.
Yes, Carina is available for free download and use. There are no in-app purchases or subscription fees associated with this application.
Carina is compatible with iPhone, iPad, and iPod devices, offering a seamless experience across Apple's ecosystem.
The latest version of Carina is 2.9.0, last updated on January 9, 2026. While specific update frequency isn't detailed, the app has seen regular updates since its release in 2018.
Carina has an age rating of 4+, making it suitable for a wide range of users. This indicates it contains no mature content.
No, Carina does not contain advertisements. Users can enjoy a completely ad-free experience while managing their water heater.
The energy usage and cost data displayed in Carina are estimates. While useful for tracking trends, they are not precise measurements and should be used as a guide.
Carina was developed by Carina Technology, a company focused on smart home and utility solutions.
