Five new products were cited for the "Best New Product Award," which is bestowed on new products demonstrating MHI's superlative technological capabilities; among the recipients is a heat-pump water heater enabling usage in ambient temperatures down to -25 degrees Celsius.
Q-ton ESA30" CO2 Heat-pump Water Heater for Commercial Use
Application of the world's first scroll-rotary ("Scrotary") two-stage compressor enabled the achievement of a CO2 heat-pump water heater capable of heating water to 90°C in sub-freezing temperatures as low as -25°C with a coefficient of performance (COP) far exceeding products available from other manufacturers.
of EnviroMaster International, Design Refinement and Demonstration of a Market-Optimized Heat-Pump Water Heater
, prepared for the California Energy Commission, Public Interest Energy Research Program, 2004.
A heat-pump water heater
is another efficient way to produce hot water.
In the case of the heat-pump water heater used in the survey, the requirement is genuine.
Question 3 contains the survey objective, which was to test the impact of the alternate presentations of the heat-pump water heater cost on the purchase of a heat-pump versus a standard water heater.
The dependent variable, ln(ODDS), is the natural logarithm of the odds of a person choosing a heat-pump water heater (Question 3).
That buyer installation lowers the inclination to purchase a heat-pump water heater reveals a special problem in promoting energy efficient equipment with an unfamiliar name.
How many readers know what a heat-pump water heater is?
The merger is in response to increased domestic demand for chillers and heat-pump water heaters
which are positioned midway between air conditioners and chillers in terms of capability, Mitsubishi Heavy said.
Hybrid heat-pump water heaters
work by pulling heat out of the surrounding air and pumping it into the storage tank.