ECO2 Systems

ECO₂ Systems LLC is a U.S.-based provider of high-efficiency water heating solutions using natural refrigerant technology. The company provides SANCO₂ heat pump water heater systems for residential and commercial domestic hot water applications.

A pioneer in CO₂ heat pump water heating in the U.S., ECO₂ Systems was the first to bring split-system CO₂ heat pump water heater technology to the U.S. market. SANCO₂ systems use CO₂ (R-744), a natural refrigerant with a Global Warming Potential (GWP) of 1.

ECO₂ Systems supports the North American market through sales, distribution, application engineering, and ongoing customer and technical support.

Focus

ECO₂ Systems serves residential and commercial domestic hot water applications, ranging from single-family homes to multifamily properties and larger commercial buildings.

The company focuses on natural refrigerant technology, energy-efficient water heating, system integration, and performance optimization. Across both residential and commercial applications, ECO₂ Systems provides technical documentation, application guidance, system design and sizing resources, training, and technical support to help ensure SANCO₂ systems are properly specified, designed, installed, and optimized for performance.

Scope and Products

SANCO₂ CO₂ (R-744) Heat Pump Water Heaters – Air-to-water heat pump technology designed for domestic hot water applications using natural refrigerant CO₂.

Residential Systems – SANCO₂ heat pump water heating systems for a range of residential applications and hot water requirements.

Commercial Systems – Scalable SANCO₂ heat pump water heating systems with multiple heat pump and storage options for multifamily and commercial applications.

System Components and Accessories – Controllers, freeze protection kits, storage solutions, spare parts, and other system components.