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Water heaters: Bosch Thermotechnology North America

June 13, 2012
KEYWORDS bosch / energy / units
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Bosch-01312-body.jpgThe Therm C 1050 ES from Bosch increases efficiency rating by 2% bringing the energy factor up to 0.94.

Bosch Thermotechnology North America has announced an efficiency increase of 2% to its Therm C 1050 ES tankless water heater, increasing its total energy factor (EF) to 0.94 overall. EF, as defined by the U.S. Department of Energy, is a measurement based on the amount of hot water produced per unit of fuel consumed over a typical day. The higher the number, the lower is the energy usage, hence greater unit efficiency.

Also, the C 1050 ES, along with three other Therm models; C 1210 ESC, C 1210 ES and the new C 950 ES, meet the new, stricter, Low NOx requirement passed by utility regulatory agencies in California and Vermont. Effective 2012, the new regulations require water heating units to limit NOx emissions to 14 nanograms per Joule (ng/J) or 20 parts per million (ppm).

Therm units from Bosch include a unique design using a wide flame pattern and secondary dilution air that results in a lower flame temperature during the heating process. Combined with condensing technology, which utilizes a secondary heat exchanger to capture more heat from the exhaust for preheating incoming cold water, these models offer an attractive tankless water heating option that meets future code requirements today while offering optimal efficiency.

The complete Therm line from Bosch features models with updated software that delivers performance-enhancing features including a minimum activation flow rate of 0.5 gallons per minute and the ability on many models to cascade up-to-24 units for larger commercial applications. The Therm line includes ENERGY STAR® rated models, powered by natural gas or propane, which have an industry-best 15-year warranty.

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