Big News: Cala Is Now Shipping
Cala is designed to work in most homes, but there are a few things to check before you reserve. Here’s how to know if it’s a good fit for your space and setup.
Cala is 24 inches in diameter and 67 inches tall. It needs:
Cala’s 65-gallon tank is designed for households of up to five people, with built-in intelligence and a mixing valve that delivers up to 50% more usable hot water when needed.
Cala produces cool, dry air and runs at 49–52 dBA—similar to the sound of a refrigerator. You can set quiet hours to avoid certain times of day, but Cala will still need to run regularly. It’s best placed in a space where airflow is welcome and occasional noise won’t be disruptive.
Cala requires a 240V, 30 amp double pole breaker. If you're replacing an electric water heater, the existing circuit most likely suffices. If you're replacing a fossil fuel water heater, you may need a to add a circuit, which is straightforward in most, but not all, homes. Consult a licensed professional if you're unsure of your setup.
Heat your water when local electricity has the lowest carbon emissions. Reduce your carbon footprint now and even more as the grid gets cleaner.
Maximize your water heater's use of solar power and grid energy based on current prices.
Heat your water when electricity prices are lowest to save money. Cala adapts to your preferences, ensuring maximum efficiency and cost savings while providing hot water when you need it.
Join other Cala homes to support your regional electric grid. Earn money, lower emissions, and help keep the lights on during peak demand.
Set your Cala unit to maximize preheating before potential outages due to weather or other events.
Manage when your unit operates to minimize noise and enhance comfort in your home.
Some features may not be available in all locations.
Instantly check current hot water levels.
Monitor your water heater's electricity usage in real-time.
Track and analyze your past water consumption patterns.
Review and monitor your water heater's electricity usage over time
Easily share control and access with other members of your household.
Use the app to manage Cala heat pump water heaters in multiple homes.
Manage multiple Cala heat pump water heaters in the same home from the app.
