
About
Monitor and control your intelligent heat pump water heater remotely. Track usage, optimize heating schedules for solar production or vacation, and ensure hot water availability. Receive ongoing system updates for improved performance.
What's New in CalaWater
2.0.0
August 6, 2026
• Share your home: invite family by email to view and control your water heater • Multi-heater support: swipe between heaters on the home screen; Insights shows whole-home usage • X-Ray mode: tap the tank for a live look inside — temperatures, compressor, fan & elements • Boost mode: simpler durations and clearer scheduling • Smoother home screen, better large-text support, and lots of bug fixes
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FAQ
What can I do with the Cala app?
The Cala app allows you to monitor and control your Cala intelligent heat pump water heater. You can track hot water usage, sync heating with solar production, view energy consumption, and schedule vacation modes for energy savings.
Is the Cala app free to use?
Yes, the Cala app is free to use and does not require a subscription. All features are available without any additional cost.
What devices does the Cala app support?
The Cala app is available for iPhone and iPad devices. It is designed to work with your Cala intelligent heat pump water heater.
How often is the Cala app updated?
The Cala app receives ongoing system updates and performance improvements delivered over time. The latest version is 1.3.0, last updated on May 22, 2026.
Does the Cala app require an internet connection?
Yes, an internet connection is required to access all features in the Cala mobile app. While the water heater will function without the app, remote control and energy optimizations are only available when connected.
What is the age rating for the Cala app?
The Cala app has an age rating of 4+, making it suitable for a wide range of users.
How does the Cala app help save energy?
The app helps save energy by allowing you to schedule your vacation for energy savings, sync heating with solar production, and optimize system run times to avoid unnecessary operation.
Can I control my water heater remotely with the Cala app?
Yes, remote control is a key feature of the Cala app. You can monitor and adjust your intelligent heat pump water heater's settings from anywhere, provided you have an internet connection.






