
How WaterDrop Systems Work
An engineered approach to generating, storing, and delivering hot water—designed for real building demand and long-term performance.
A System Designed Around Flow, Storage, and Demand
WaterDrop systems are built on a simple but powerful principle:
generate heat efficiently, store energy ahead of demand, and deliver hot water when the building needs it.
Unlike traditional systems that attempt to meet peak demand instantly, WaterDrop systems are designed to perform over time—using storage and recovery to meet real usage patterns.
Three Components. One Integrated System.

Generate
Heat pumps produce thermal energy efficiently and continuously, building stored energy within the system.

Store
Thermal storage tanks hold hot water so the system can meet peak demand without oversizing heating capacity.
Deliver

Hot water is supplied to the building when needed, using stored energy to maintain consistent performance.
See the System In Practice
This short overview shows how WaterDrop systems are designed and installed as complete, engineered solutions—reducing variability and improving performance compared to site-built systems.
Design for Load, Not Just Peak
Hot water systems are often designed to meet peak demand instantly—but buildings don’t use hot water that way.
WaterDrop systems are designed to:
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build stored hot water ahead of demand
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deliver during peak usage periods
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recover efficiently over time
Systems are sized based on building load profiles—using storage capacity and recovery rates to meet peak demand without oversizing heating equipment.
Key Principles
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Storage absorbs peak demand
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Heat pumps operate continuously at high efficiency
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Recovery occurs over a defined time window
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Systems are right-sized, not oversized
Designing for Real Building Demand
This video overview explains how WaterDrop systems are sized and configured to meet hot water demand efficiently over time.
Store Energy. Deliver at the Right Time
WaterDrop systems can take advantage of time-of-use energy by heating and storing water when energy is less expensive and delivering it during peak demand periods.
This approach reduces operating costs, supports grid stability, and aligns with modern electrification strategies.
Controls Designed as Part of the System
Unlike site-built systems, where controls are assembled and programmed in the field, WaterDrop systems include integrated controls that manage system operation from day one.
The control system coordinates heat pump operation, storage recovery, and load delivery—while continuously monitoring system performance and adapting to real building usage.

Key Capabilities
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Factory-integrated controls
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Real-time system visibility
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Cloud-connected monitoring
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Continuous optimization
Integrated Controls and Monitoring
See how WaterDrop systems manage performance in real time and provide ongoing visibility into system operation.
Flexible System Configuration
Flexible System Configuration
WaterDrop systems can be deployed in different configurations depending on the needs of the building.
System Technology
More Than Equipment: Tools That Support Better System Performance
Skid Systems

Fully Integrated central plant
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All components integrated into one system
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Factor-built and tested
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Rapid installation
Droplet Systems

Modular Heat Pump Arrays
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Separate heat generation and storage
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Flexible layout
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Scalable design
Explore System Configurations
See how Skid and Droplet systems are applied in real-world installations.
Full skid
Droplet
An Engineered Approach to Hot Water
WaterDrop systems combine high-efficiency heat generation, thermal storage, integrated controls and load-based design into a single-coordinated systems.
The result is a domestic hot water solution that is:
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predicable
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efficient
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and designed to perform over time