Project

1. The project utilized daylighting and energy-efficient lighting as well as geothermal heat pumps and rapidly renewable building materials.

Way

1. Geothermal heat pumps can also differ in the way they are designed.

Expensive

1. The downside to geothermal energy is the fact that it is expensive to build.

Comfort

1. A geothermal heat pump lets you live in comfort.

Temperatures

1. Not all geothermal heat pumps will operate efficiently at those temperatures.

Adding

1. There may be a number of special financing options and incentives available to help offset the cost of adding a geothermal heat pump (GHP) to your home.

Yellowstone National Park

1. Mammoth Hot Springs, Yellowstone National Park, Wyoming, showing steam, evidence of geothermal activity, and the travertine mineral terraces.

Hot Mud Pools

1. Owing to the geothermal activity around the lake (including still active geysers and hot mud pools), the lake has a high sulphur content.

Bioenergy

1. It also recommends detailed ways to accelerate the use of solar PV, solar thermal, ocean energy, geothermal energy and bioenergy in BC.

Geothermal Power Station

1. Once a geothermal power station is implemented, the energy produced from the station is practically free, minus maintenance costs.

Green Energy Source

1. This is exactly what we do when we decide to use geothermal which happens to be a green energy source.

Geothermal Fields

1. Each classification protects the various glacier s, volcanoes, geothermal fields, rivers, lakes, forests, and wildlife to varying degrees.

Ground-Source

1. Geothermal heat pumps (sometimes referred to as GeoExchange, earth-coupled, ground-source, or water-source heat pumps) have been in use since the late 1940s.

Pump Systems

1. Most geothermal heat pump systems have COPs of 2.5 - 3.5.

Pump System

1. The last section describes different alternatives for adding a domestic water heating loop to a geothermal heat pump system.
2. For water heating, you can add a desuperheater to a geothermal heat pump system.

Geothermal Subcircuit

1. The geothermal subcircuit 16 is installed with the geothermal heat exchanger 50 arranged in parallel with the outdoor coil 20 as shown in FIGS. 1 and 2.
2. The geothermal subcircuit 16 can be installed during initial installation of the system 10 or it can be retrofit to an existing air conditioning system.

Geothermal Power Plants

1. Geothermal power plants in California, Hawaii, Nevada, and Utah generated approximately 14.4 billion kWh of electricity in 2004.

Green

1. When our utility bills are on the internet for everyone to see, that's when we'll see geothermal heat pumps and Built Green and Energy Star homes take off.

Green Power

1. Green power comes from renewable, non-polluting resources that include solar, wind, biomass and geothermal energy, as well as tidal action.

Geothermal Areas

1. Rotorua is the tribal home of the Te Arawa people, who first established villages in the geothermal areas of the city more than 600 years ago.

Geothermal Area

1. Sulphur Works is a geothermal area in between Lassen Peak and Brokeoff Mountain that is thought to mark an area near the center of Tehama's now-gone cone.

Geothermal System

1. Ground-to-air: Also known as a geothermal system, this type of heat pump uses underground loops to absorb heat from the earth.
2. A number of attempts have been made to combine the components of a geothermal system with the components of an air conditioning unit.

Geothermal Systems

1. Because geothermal systems do not burn combustible fuel to make heat, they provide three to four units of energy for every one unit used to power the system.
2. Some models of geothermal systems are available with two-speed compressors and variable fans for more comfort and energy savings.

Geothermal Gradient

1. The downhole temperature can be calculated by adding the surface temperature to the product of the depth and the geothermal gradient.
2. It is particularly important for drilling fluids engineers to know the geothermal gradient in an area when they are designing a deep well.

Exception

1. The exception to this is for geothermal heat pump applications and installations, where there is no limit on the tax credit amount.
2. Under normal conditions, the geothermal gradient is not high enough to melt rocks, and thus with the exception of the outer core, most of the Earth is solid.
3. With the exception of the heat exchanger 50, the various components of the geothermal subcircuit 16 are contained within a single housing 64.

Ground

1. It may also be used in tandem with a CHP, air cooling tower, or ground based geothermal system.

Ocean

1. Conversely, water deep in the ocean near geothermal vents can reach temperatures of hundreds of degrees and remain liquid.
2. Information is available on solar, wind, biomass, geothermal, ocean, hydrogen and small hydro renewable energy resources.

Ability

1. An added quality of many geothermal units is the ability to heat water for a family.

Dependent

1. Geothermal heat pumps, on the other hand, are dependent upon the temperature underground, which is "mild" all year round.

Places

1. Since volcanoes are associated with hot magma, they are likely places to host geothermal power plants.
2. There are plenty of other places in Alaska that have geothermal potential.

Addition

1. In addition, there is a largely untapped amount of geothermal power that can be generated from the Cascades.

Operating

1. In addition to space conditioning, geothermal heat pumps can be used to provide domestic hot water when the system is operating.

Summer

1. Therefore, when the geothermal heat pump runs frequently during the summer, it can heat all of your water.

Volcano

1. Some also have geothermal activity, especially if the volcano is merely dormant rather than extinct.
2. An indication of a volcano is determined by either its historical records, radiocarbon dating, or geothermal activities.

Active

1. Seismicity, geothermal vents, and fresh lava indicate Loihi is active.
2. Permafrost refers to (A) the active layer, (B) solifluction, (C) perennially frozen ground, or (D) a low geothermal gradient.

Fluid

1. The fluid allows Rankine cycle heat recovery from lower temperature sources such as industrial waste heat, geothermal heat, solar ponds, etc.

Friction

1. Cold basalt of the ocean floor descends into the mantle and gradually heats because of the geothermal gradient and friction of subduction.
2. Friction between ice and rock and geothermal heat from the Earth's interior also contribute to thawing.

Tidal

1. Most commonly includes solar (electric and thermal), biomass, geothermal, wind, tidal, wave, and hydro power sources.
2. Wind, solar, hydro, tidal, geothermal and plant material (biomass) have all become more viable as the price of crude oil rises and supplies diminish.

Present

1. Geothermal activity is present in the caldera and upper eastern flanks.
2. There is no geothermal activity at present, although the volcano itself probably cannot be considered truly extinct.

Large Amounts

1. Geothermal heat pumps don't use large amounts of resistance heat, so your existing service may be adequate.

Efficient

1. Where a fossil fuel furnace may be 50-90 percent efficient, a geothermal heat pump is about 300 percent efficient.
2. Dual-source heat pumps have higher efficiency ratings than air-source units, but are not as efficient as geothermal units.
3. Geothermal systems are three times more efficient than electric furnaces and air conditioners.

Waste

1. Used in geothermal, solar and waste heat (industrial waste heat, gas turbine waste heat, diesel engine waste heat).

United States

1. There are approximately 50,000 geothermal heat pumps installed in the United States each year.

Atmosphere

1. Rotorua city is renowned for its unique sulphur aroma, which is caused by the geothermal activity releasing hydrogen sulphide into the atmosphere.
2. The earth's interior, carbon from the earth's mantle and crust is released to the atmosphere and hydrosphere by volcanoes and geothermal systems.

Volcanic

1. Taupo is a centre of volcanic and geothermal activity and hot springs suitable for bathing are located at several places in the vicinity.

Active Volcanoes

1. Kos was included in the Catalog of Active Volcanoes of the World (Georgalas, 1962) based on its geothermal activity.
2. Historically, the active volcano was named Mount Guntur, but the crater is listed as an active volcanoes of Indonesia because of its geothermal activities.

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