A 500-kW solar power system was completed on the roof of one of Harvard University’s buildings, Arsenal on the Charles complex in Watertown, Mass. The completion of the system was announced by CarbonFree Technology, Integrys Energy Services, and SunPower.
The Xterrra Series Aqua2 geothermal heat pump can do more operational savings, if it is combined with a desuperheater. The geothermal heat pump is available in different sizes ranging from 1.5 to 15 tons. The water-to-water heat pump can be controlled either by a conventional or digital thermostat.
The Nirvana pool heat pump is available in four sizes with the heat output ranging from 55,000 to 110,000 British thermal units. The heat exchanger of the heat pump is made from 100 percent titanium and it is corrosion resistant. The pool heat pump features a digital display that provides integrated controls.
Moose Mountain Geothermal offers the Tranquility TS Series geothermal heat pump, a single stage model. The heat pump is designed for commercial applications. The water source heat pump is equipped with EarthPure HFC-410A refrigerant and Copeland scroll compressor. The geothermal heat pump is provided either with a PSC multi speed or an ECM variable speed fan motor. All the units of the heat pump are made from galvanized steel and coated with powder paint. As a standard feature, the heat pump includes a discharge muffler to provide high quality sound attenuation.
The Thermo Camino fireplace insert is an ecological product with an alternate heating option. It has a large firebox together with a glass door, which can be opened upward or to the side. The primary air system included in this insert increases the efficiency of wood or solid fuel and the secondary air system or the constant self-clean glass keeps the glass clean.
The W-35 woodfired cast-iron cooker incorporates a firebox designed for regular use and the ash can be removed occasionally. The fuel combustion is done effectively in this firebox and the fuel is burned completely to produce maximum heat and minimum ash.
The UE 42 wind generator is available with a rated output capacity of 4,200W. The 4,200W output is produced through the rated wind speed of 27mph. The peak output of this wind turbine is 4,500W and the cut in rate of the wind speed is 6mph. This wind turbine provided by Eco-Technology Solutions includes blades, rotor, governor and an electronic controller.
The AIR industrial wind generator is available in lightweight design and requires minimum space. It is equipped with reinforced blades made of carbon fiber. This wind turbine provided by Discover Power incorporates an adjustable pitch having aeroelastic twist over-speed protection.
The DF520 coal stoker boiler features completely automated feed and control. The biomass boiler, offered by Efm Automatic Heat, is provided with an optional oil burner kit to provide oil heat during summer. The coal heat is used in winter. The boiler shell of the coal boiler is designed as per the ASME code.
Solarfun Power Holdings, a manufacturer of photovoltaic cells, modules and silicon ingots in China, announced the expansion of its production capacity expecting an increase in demand. The company’s photovoltaic cell production will increase from 360MW to 480MW by July 2010 and its photovoltaic module production capacity will increase from 550MW to 700MW by April 2010.
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