Viessmann: German Engineering for American Homes
Viessmann, founded in 1917, is one of the world's leading manufacturers of heating, cooling, and renewable energy systems. With production facilities in 12 countries, 120 sales branches worldwide, and a presence on every continent, Viessmann brings over a century of German engineering excellence to the North American geothermal market through its US headquarters in Warwick, Rhode Island.
In 2023, Viessmann's Climate Solutions division was acquired by Carrier Global Corporation, creating one of the world's largest and most comprehensive providers of intelligent climate and energy solutions. This partnership combines Viessmann's European heat pump technology leadership with Carrier's extensive North American distribution network.
Vitocal 100-WA Geothermal Heat Pump
The Vitocal 100-WA is Viessmann's dedicated geothermal heat pump for the North American market, engineered specifically for US and Canadian building practices and electrical standards. Key specifications include:
- Five Sizes Available — Heating capacities from 14.6 to 68.4 MBH and cooling capacities from 19.0 to 76.7 MBH
- High Efficiency — COP values up to 5.44 and EER values up to 34.49
- R-454B Refrigerant — Low Global Warming Potential refrigerant for environmental responsibility
- Integrated Desuperheater — Standard feature for efficient domestic hot water preheating, up to 3x more efficient than conventional water heaters
- Ultra-Quiet Operation — Fully insulated indoor unit with no outdoor component for whisper-quiet performance
- Flexible Installation — Left, right, or rear return configurations with field-reversible controls
- Loop Compatibility — Works with vertical, horizontal, pond, and open-loop geothermal systems
Broader Vitocal Heat Pump Family
Beyond the geothermal-specific Vitocal 100-WA, Viessmann offers a comprehensive range of heat pump technologies that can complement geothermal installations:
- Air-to-Water Heat Pumps — For hydronic heating and cooling applications
- Hybrid Systems — Intelligent combination of heat pump and condensing boiler technology
- Cascade Configurations — Multiple heat pumps working together for larger commercial applications
Quality and Warranty
Viessmann products reflect German manufacturing standards with extensive quality control and testing. The Vitocal 100-WA comes with a comprehensive warranty: 10-year limited warranty on the heat pump unit and compressor, plus a 5-year warranty on parts and accessories for residential applications.
Why Choose Viessmann?
Viessmann brings European heat pump innovation to the American market. With the Vitocal 100-WA specifically engineered for North American conditions, low-GWP refrigerant technology, and the backing of both Viessmann's century of engineering excellence and Carrier's North American market leadership, Viessmann represents a premium choice for homeowners who want cutting-edge geothermal technology.