Cold Climate Capable
Natural refrigerant inverter system designed for high temperature hydronic heating. Delivers strong efficiency at elevated supply temperatures, reliable cold climate operation, and uses ultra low GWP R290 refrigerant, making it well suited for radiator retrofits and future focused installations.
- Tested COP 3.4–3.7 (at 47°F / 105°F)
- 5.9–14.8 kW heating capacity
- R290
- -13 F (-25 C)
- 158 F (70 C)
High efficiency variable speed system optimized for radiant floors, fan coils, and mixed hydronic systems. Emphasizes very high COP at moderate conditions, low electrical draw, and strong integration with solar and battery systems.
- Tested COP 2.7–3.4 (at 47°F / 105°F)
- 16.7 kW heating capacity
- R32
- -17 F (-27 C)
- 140 F (60 C)
Premium German engineered system emphasizing quiet operation, reliability, and integrated controls. Available with factory matched tanks and accessories for turnkey residential and light commercial installations.
- Tested COP 2.6–3.4 (at 47°F / 105°F)
- 14.8 kW heating capacity
- R454B
- -4 F (-20 C)
- 149 F (65 C)
Compact inverter driven platform optimized for smaller homes and low temperature distribution systems. Strong controls ecosystem, quiet operation, and reliable European design, prioritizing integration over extreme cold capacity.
- Tested COP 3.7–4.1 (at 47°F / 105°F)
- 6.0 kW heating capacity
- R32
- -13 F (-25 C)
- 149 F (65 C)