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Sunamp’s Thermino heat batteries won Best Product in Show at MCEE 2025 in Montreal. Click here to see all the latest news!

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Energy-Efficient Thermal Storage Solutions

As the premier U.S. distributor and reseller of Sunamp’s award-winning Thermino™ range, LEE Thermal Energy Storage is transforming how homes and businesses manage energy.

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Thermino
Illustration of Sunamp thermal battery working with solar PV, heat pumps, and boilers for efficient energy storage.

How Thermino™ Transforms Hot Water Storage

Sunamp’s Thermino™ heat batteries use advanced Plentigrade phase change materials (PCM) to efficiently store and release heat, providing instant hot water on demand.

This innovative technology delivers a cost-effective, space-saving, and eco-friendly alternative to traditional water heating systems, making it ideal for a wide range of applications.

Discover How Thermino™ Works

Sunamp Thermino heat battery installed for energy-efficient hot water storage, reducing carbon emissions and cutting energy costs.
Thermino™ Heat Batteries:
Compact, Efficient, and Renewable
Hot Water Solutions

Sunamp’s Thermino™ range offers cutting-edge thermal batteries that efficiently store energy from various sources—including heat pumps, grid electricity, and boilers—to provide instant, high-pressure hot water. Designed for both retrofits and new builds, these sleek units are up to four times smaller than traditional hot water cylinders, freeing up valuable space in any home.

Thermino™ Products

Space-Saving Hot Water Storage for Modern Living

Discover the Future of Hot Water Storage with Sunamp Thermino™ Heat Batteries. Compact, energy-efficient, and maintenance-free, Thermino transforms the way you store and use hot water—saving space, cutting costs, and optimizing energy use.

Thermino™ Setup Made Easy

Thermino™

Find a Thermino™ Reseller or Become One

Looking for a Thermino™ reseller? Want to join the future of energy-efficient hot water?
Get top thermal storage solutions or start offering Thermino™ heat batteries today!