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Road Side Pub
Geothermal heating and cooling in home
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<blockquote data-quote="CobraBob" data-source="post: 16585320" data-attributes="member: 6727"><p>I found this info while Googling geothermal energy. It might help you.</p><p><span style="color: #000000">.</span></p><p><span style="color: #000000">.</span></p><p>While the <a href="https://www.conserve-energy-future.com/advantages_geothermalenergy.php" target="_blank"><span style="color: #bfbfbf">advantages of geothermal energy</span></a> are plenty, it’s a good idea to acquaint yourself with the downsides. This will help you formulate countermeasures upfront to avoid inconveniences that come along with them. Here are some of the disadvantages of geothermal energy.</p><p></p><p><span style="font-size: 15px"><strong>1. Geothermal energy has high initial capital costs</strong></span></p><p>The cost of drilling wells to the geothermal reservoir is very expensive. Add the cost of heating, and cooling system installation and the cost goes even higher. Although there is a predictable Return On Investment (ROI), it might not happen fast. The cost of installing a geothermal heat pump in a basic home ranges from $10,000 to $20,000, which can pay off itself over time (5 to 10 years).</p><p></p><p>If you live in a poorly insulated and leaky home, it would be economical to invest that money in better insulation, energy-efficient doors and windows, draft sealing, and other upgrades that will assist minimize the amount of energy needed to heat and cool your home. As a matter of fact, it’s prudent to do this if you intend to install a geothermal system anyway since you’ll not need a lot of electricity to power the <a href="https://www.conserve-energy-future.com/geothermalheatpumps.php" target="_blank"><span style="color: #bfbfbf">geothermal heat pump</span></a> if you minimize the energy load.</p><p></p><p><span style="font-size: 15px"><strong>2. May release harmful gases</strong></span></p><p>Underneath the earth’s surface, there is a substantial amount of <a href="https://www.conserve-energy-future.com/15-wonderful-ways-reduce-greenhouse-gases.php" target="_blank"><span style="color: #bfbfbf">greenhouse gasses</span></a>. The harnessing of the heat can potentially lead to the migration of these gasses to the surface of the earth and pollute the air.</p><p></p><p>These kinds of emissions are prevalent and higher where geothermal energy power plants are situated and are linked to silica and sulfur dioxide emissions. To add to that, the reservoir may contain toxic heavy metals such as arsenic, boron, and mercury.</p><p></p><p><span style="font-size: 15px"><strong>3. Suited to a particular region</strong></span></p><p>It’s hard to find remarkable geothermal reservoirs. Geothermal energy accounts for about one-third of Iceland and the Philippines’ electricity needs. The downside is that good sites for geothermal energy generation occur far away from cities or populations.</p><p></p><p>First, you must find a site that has the right type of hot rocks. Just any rock won’t work because certain rocks are too hard to drill through. The rocks should also occur within a reasonable depth to make drilling down more feasible. The best sites for geothermal energy production are high volcanic areas.</p><p></p><p><span style="font-size: 15px"><strong>4. Geothermal heat pumps have to be powered</strong></span></p><p>Although geothermal energy is a cheap alternative for heating and cooling homes, <span style="color: #bfbfbf"><a href="https://www.conserve-energy-future.com/geothermalheatpumps.php" target="_blank">geothermal heat pumps</a> </span>require electricity to operate. If you install an inefficient geothermal heat pump, you may witness a <a href="https://www.conserve-energy-future.com/41-super-easy-ways-to-lower-your-electricity-bill.php" target="_blank"><span style="color: #bfbfbf">spike in your electricity bills</span></a>.</p><p></p><p><span style="font-size: 15px"><strong>5. Geothermal sites may experience a dry spell</strong></span></p><p>Geothermal heat coming from the reservoir below may die down or run out of steam even after years of activity. The dry spell may last decades, which is why it’s recommended that you use the heat prudently and not abuse it. Improper use can also result in a poor distribution of heat.</p><p></p><p><span style="font-size: 15px"><strong>6. Sustainability issues</strong></span></p><p>Although most research studies suggest that geothermal reservoirs are permanent, some studies indicate that they can be depleted if the water is extracted faster than it can replenish itself. This can be a problem for residential heating and cooling as geothermal energy is used differently when heating and cooling homes than in <a href="https://www.conserve-energy-future.com/geothermalenergy.php" target="_blank"><span style="color: #bfbfbf">geothermal power plants</span></a>.</p><p></p><p><span style="font-size: 15px"><strong>7. Can cause surface instability</strong></span></p><p>Construction of geothermal power plants has the potential to cause surface instability and trigger earthquakes. Conventional geothermal power plant construction involves drilling hot rock that contains trapped water or steam in its pores spaces and natural fractures. When these fractures are intersected by a drilled hole, the trapped water erupts as steam due to an instant drop in pressure.</p><p></p><p>The drilling its self may not trigger <a href="https://www.conserve-energy-future.com/howearthquakesoccur.php" target="_blank"><span style="color: #bfbfbf">earthquakes</span></a>, but the rupturing of steam and subsequent return of the used water to the hot water reservoir could. The cycle leads to instabilities along fracture lines that might <a href="https://www.conserve-energy-future.com/howearthquakesoccur.php" target="_blank"><span style="color: #bfbfbf">result in an earthquake</span></a>.</p><p></p><p><span style="font-size: 15px"><strong>8. Extremely high temperatures required</strong></span></p><p>Geothermal energy production is not an easy pursuit. Drilling into hot rocks is a daunting task. For any geothermal process to start, the required temperature must be present (the very least is 350 degrees Fahrenheit). A temperature lower than 350 degrees Fahrenheit may not be able to generate geothermal energy.</p><p></p><p><span style="font-size: 15px"><strong>9. Distribution costs</strong></span></p><p>In some situations, geothermal energy sites are located <a href="https://www.conserve-energy-future.com/amazing-overpopulation-facts.php" target="_blank"><span style="color: #bfbfbf">further from the population</span></a>, hence, requiring a vast network of distribution systems. This only adds up the overall cost of setting up a geothermal system.</p><p></p><p>Although the disadvantages of geothermal energy exist, there are far more benefits to this form of energy than you can imagine. The main <a href="https://www.conserve-energy-future.com/advantages_geothermalenergy.php" target="_blank"><span style="color: #bfbfbf">benefit of geothermal energy</span></a> is the ability to heat and cool many homes at a significantly lower cost. Homeowners today in almost every developed country in the world are taking advantage of geothermal energy to install cooling and heating systems in order to increase the comfort of their homes and mightily reduce overall utility bills.</p><p></p><p>This incredible technology utilizes only the natural thermal heat from underneath the earth’s surface, a renewable resource, to effectively heat and cools a home. Another advantage of this system is that the only additional energy it requires to function optimally is a small amount of electricity to concentrate what the environment offers and then to circulate top-quality cooling and heating throughout the house.</p></blockquote><p></p>
[QUOTE="CobraBob, post: 16585320, member: 6727"] I found this info while Googling geothermal energy. It might help you. [color=#000000]. .[/color] While the [URL='https://www.conserve-energy-future.com/advantages_geothermalenergy.php'][color=#bfbfbf]advantages of geothermal energy[/color][/URL] are plenty, it’s a good idea to acquaint yourself with the downsides. This will help you formulate countermeasures upfront to avoid inconveniences that come along with them. Here are some of the disadvantages of geothermal energy. [size=4][b]1. Geothermal energy has high initial capital costs[/b][/size] The cost of drilling wells to the geothermal reservoir is very expensive. Add the cost of heating, and cooling system installation and the cost goes even higher. Although there is a predictable Return On Investment (ROI), it might not happen fast. The cost of installing a geothermal heat pump in a basic home ranges from $10,000 to $20,000, which can pay off itself over time (5 to 10 years). If you live in a poorly insulated and leaky home, it would be economical to invest that money in better insulation, energy-efficient doors and windows, draft sealing, and other upgrades that will assist minimize the amount of energy needed to heat and cool your home. As a matter of fact, it’s prudent to do this if you intend to install a geothermal system anyway since you’ll not need a lot of electricity to power the [URL='https://www.conserve-energy-future.com/geothermalheatpumps.php'][color=#bfbfbf]geothermal heat pump[/color][/URL] if you minimize the energy load. [size=4][b]2. May release harmful gases[/b][/size] Underneath the earth’s surface, there is a substantial amount of [URL='https://www.conserve-energy-future.com/15-wonderful-ways-reduce-greenhouse-gases.php'][color=#bfbfbf]greenhouse gasses[/color][/URL]. The harnessing of the heat can potentially lead to the migration of these gasses to the surface of the earth and pollute the air. These kinds of emissions are prevalent and higher where geothermal energy power plants are situated and are linked to silica and sulfur dioxide emissions. To add to that, the reservoir may contain toxic heavy metals such as arsenic, boron, and mercury. [size=4][b]3. Suited to a particular region[/b][/size] It’s hard to find remarkable geothermal reservoirs. Geothermal energy accounts for about one-third of Iceland and the Philippines’ electricity needs. The downside is that good sites for geothermal energy generation occur far away from cities or populations. First, you must find a site that has the right type of hot rocks. Just any rock won’t work because certain rocks are too hard to drill through. The rocks should also occur within a reasonable depth to make drilling down more feasible. The best sites for geothermal energy production are high volcanic areas. [size=4][b]4. Geothermal heat pumps have to be powered[/b][/size] Although geothermal energy is a cheap alternative for heating and cooling homes, [color=#bfbfbf][URL='https://www.conserve-energy-future.com/geothermalheatpumps.php']geothermal heat pumps[/URL] [/color]require electricity to operate. If you install an inefficient geothermal heat pump, you may witness a [URL='https://www.conserve-energy-future.com/41-super-easy-ways-to-lower-your-electricity-bill.php'][color=#bfbfbf]spike in your electricity bills[/color][/URL]. [size=4][b]5. Geothermal sites may experience a dry spell[/b][/size] Geothermal heat coming from the reservoir below may die down or run out of steam even after years of activity. The dry spell may last decades, which is why it’s recommended that you use the heat prudently and not abuse it. Improper use can also result in a poor distribution of heat. [size=4][b]6. Sustainability issues[/b][/size] Although most research studies suggest that geothermal reservoirs are permanent, some studies indicate that they can be depleted if the water is extracted faster than it can replenish itself. This can be a problem for residential heating and cooling as geothermal energy is used differently when heating and cooling homes than in [URL='https://www.conserve-energy-future.com/geothermalenergy.php'][color=#bfbfbf]geothermal power plants[/color][/URL]. [size=4][b]7. Can cause surface instability[/b][/size] Construction of geothermal power plants has the potential to cause surface instability and trigger earthquakes. Conventional geothermal power plant construction involves drilling hot rock that contains trapped water or steam in its pores spaces and natural fractures. When these fractures are intersected by a drilled hole, the trapped water erupts as steam due to an instant drop in pressure. The drilling its self may not trigger [URL='https://www.conserve-energy-future.com/howearthquakesoccur.php'][color=#bfbfbf]earthquakes[/color][/URL], but the rupturing of steam and subsequent return of the used water to the hot water reservoir could. The cycle leads to instabilities along fracture lines that might [URL='https://www.conserve-energy-future.com/howearthquakesoccur.php'][color=#bfbfbf]result in an earthquake[/color][/URL]. [size=4][b]8. Extremely high temperatures required[/b][/size] Geothermal energy production is not an easy pursuit. Drilling into hot rocks is a daunting task. For any geothermal process to start, the required temperature must be present (the very least is 350 degrees Fahrenheit). A temperature lower than 350 degrees Fahrenheit may not be able to generate geothermal energy. [size=4][b]9. Distribution costs[/b][/size] In some situations, geothermal energy sites are located [URL='https://www.conserve-energy-future.com/amazing-overpopulation-facts.php'][color=#bfbfbf]further from the population[/color][/URL], hence, requiring a vast network of distribution systems. This only adds up the overall cost of setting up a geothermal system. Although the disadvantages of geothermal energy exist, there are far more benefits to this form of energy than you can imagine. The main [URL='https://www.conserve-energy-future.com/advantages_geothermalenergy.php'][color=#bfbfbf]benefit of geothermal energy[/color][/URL] is the ability to heat and cool many homes at a significantly lower cost. Homeowners today in almost every developed country in the world are taking advantage of geothermal energy to install cooling and heating systems in order to increase the comfort of their homes and mightily reduce overall utility bills. This incredible technology utilizes only the natural thermal heat from underneath the earth’s surface, a renewable resource, to effectively heat and cools a home. Another advantage of this system is that the only additional energy it requires to function optimally is a small amount of electricity to concentrate what the environment offers and then to circulate top-quality cooling and heating throughout the house. [/QUOTE]
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