GreenPWR Logo - High-Efficiency Solar Water Heating Solutions
Circuitry architecture of the SunHopper-D

The Science of PV Hot Water

Bridging the gap between raw Photovoltaic Harvest and high-efficiency thermal storage through proprietary algorithms and next-gen hardware.

Decode the Tech

Performance without compromise.
Where standard inverters see a load, SunHopper® sees an opportunity for thermal storage.

14.1 kWh Energy Storage Potential In 64 gallon tank
60-80% Typical Grid Avoidance
Dynamic TOU Rate Scheduling
Universal Simple retrofit

System Architecture

Performance. Safety. Reliability: Solar Inverter Engineering

Our hardware combines high-efficiency Silicon Carbide power conversion with multi-layer safety protocols and passive thermal management, engineered for long life.

SiC Longevity & Thermals

Our use of Silicon Carbide (SiC) semiconductors dramatically reduces thermal stress on internal components. By minimizing energy loss during conversion, we've eliminated the need for cooling fans, removing a common mechanical failure point and ensuring a long service life.

Repairability Architecture

Unlike many manufacturers who "pot" their electronics in permanent resin, GreenPWR utilizes reworkable conformal coatings. This protects against moisture and corrosion while allowing components to be professionally serviced, repaired, or recycled.

Thermal Optimization

A cast aluminum chassis ensures even heat distribution, allowing for passive cooling even at peak throughput.

Integrated Safety Features

Advanced protection includes Arc Fault Detection, RCD, and Ground Impedance monitoring, alongside real-time heater resistance and multi-point temperature tracking.

SunHopper solar inverter internals

Technical Insight

PV Efficiency: The Physics of Cold Success

Standard solar myths suggest that PV systems struggle in winter. The reality is grounded in the Temperature Coefficient: Photovoltaic cells are actually more efficient in cold temperatures.

As temperatures drop, the voltage potential of the panels increases. SunHopper® is engineered to capture this "Winter Bonus," delivering its peak harvest performance precisely during the months when hot water demand is generally at its highest.

Thriving when it's coldest.

While mechanical solar thermal systems risk freezing and heat pumps lose efficiency as the temperature drops, the SunHopper's solid-state DC architecture extracts more power in the cold.

Patent Portfolio

Unique Methods, Protected Assets.

GreenPWR's approach to photovoltaic heating management is legally insulated through high-value patents and exclusive semiconductor implementation techniques.

Granted Patent

US 20220170648A1

Photovoltaic Water Heating Management System and Method.

Active & Enforced

Future Innovation

Pending Portfolio

We maintain multiple active patent applications covering advanced semiconductor switching and adaptive load-matching algorithms.

Real-World Application

Versatility in every Environment.

Technology is only as good as its accessibility. Our system is designed for grid-tied retrofits and isolated off-grid cabins alike.

Off-Grid Dominance

Perfect for remote locations where grid power is unavailable or prohibitively expensive to run.

Urban Resilience

Supplement standard electric heaters in city homes to slash energy bills and reduce grid dependency.

Start Your Calculation
Remote off-grid cabin installation of SunHopper-D PV hot water system