The Envision series geothermal heating and cooling system is an all-in-one system. It is equipped with coated air coils to provide a longer service life. There is a microprocessor control that runs all the components and provides troubleshooting features such as on-board diagnostics and fault lights for optimal performance.
The A Range woodburning stove is equipped with an airwash system, and a primary and secondary air supply to maintain the glass clean. It has a combination of baffle plate and heavy brick lining for fuel combustion to provide a balanced heat supply. The cast iron doors of this stove are designed to load fuel easily into the stove.
The 2100 Millennium wood stove features automatic combustion controls to provide easy lighting. The wood stove is provided with labels for precision air controls to facilitate easy operation. The firebox of the stove is lined with firebricks. The wood stove incorporates front to back log loading that is easy and safe to use. Other features of the 2100 Millennium wood stove include convective heat shields.
The water source heat pumps available from Hydro-Temp incorporate single or dual compressor options. A single compressor system consists of a hermetically sealed single Bristol compressor. A dual compressor system comprises a small and a large Bristol compressor designed to provide heating and cooling in three stages.
The Grundfos SQFlex pump system is capable of functioning at any voltage from 90 to 240V AC and from 30 to 300V DC. It can operate at any voltage without requiring different settings or additional controls. This solar water pump provided by Four Winds Renewable Energy can be operated directly from a battery bank or PV array through DC voltage.
The solar charge controller incorporates battery charge management, MPPT (maximum power point tracking), and charge information and communications, all in one device. The solar charge controller can provide continuous output of 80 amperes. The full rated power can be obtained from the charge controller even at a high ambient temperature of 45 degrees Celsius.
R&D Needs in Geothermal Exploration and Development, a report prepared by Dan Jennejohn of the Geothermal Energy Association (GEA), highlights problems and risks associated with geothermal energy and provides suggestions that will help to solve these problems.
A long-term power purchase agreement has been signed by Iberdrola Renewables with M-S-R Public Power Agency. Iberdrola Renewables is about to begin construction of its 50-megawatt Big Horn 2 Wind Project near Bickleton, Washington. Through this agreement, the entire output from the project will be purchased by M-S-R Public Power Agency for a period of 25 years.
Commercial operation in the Whispering Willow Wind Farm-East in Franklin County has been initiated by Interstate Power and Light (IPL), a subsidiary unit of Alliant Energy Corporation. This wind farm in Iowa is the first to be owned and operated by Interstate Power and Light. The wind farm is capable of generating emission-free wind energy of up to 200 megawatts, which is enough to power almost 50,000 homes.
LDK Solar announced that it has signed a contract with Enfinity, a Belgium-based company, to supply solar modules. LDK Solar, a top listed manufacturer of solar wafers, made this announcement on 14 December, 2009. An estimated amount of 50 megawatts of solar modules are to be delivered to Enfinity in the year 2010, according to the terms mentioned in the signed contract.
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