Geothermal heat is having another \"revival\". Explain how it works in a home an

Question

Geothermal heat is having another "revival". Explain how it works in a home and how much it would cost to add this to your home (determine your square footage or use an average 2000 square foot home)? Cite your references. How much would it cost to install enough solar panels on your roof to generate all your daily electrical needs? How many panels (size?) would you need? How can landscaping (trees/bushes) affect your heating and cooling bills? Also Choose any three cars brands that are a mini van, a compact car, and a sedan/crossover. Compare their mileage (city versus highway). Do any of these models come as a hybrid? If not choose one that does. Compare the fuel statistics for the same car as a "regular" gasoline car and the hybrid version. In your budget and life style, explain the fuel savings if your next car purchase was a hybrid vehicle. Include all references used.

Explanation / Answer

?????Geothermal heating and cooling is having another revival due to rising energy and oil costs. Geothermal heating utilizes the natural temperature of the ground at about 10 feet and below which averages about 68 degrees Farenhiet. Trenches are dug or holes are drilled and plastic tubing is placed in them. The tubing is then filled with a circulating fluid, usually just water and heated to the temperature of the ground during circulation. The fluid then goes to a heat exchanger where the heat of the fluid is exchanged to the air, which in turn circulates through the house to warm it. This eliminates the need for a compressor in a heat pump, which uses a lot of energy to compress a substance like refrigerants into a liquid. On average, a geothermal heat pump saves about 7 out of ten energy units that would go into operating a standard heat pump. The main additional cost of adding a geothermal heat pump is in the installation of the tubing in the trenches or holes, which can be expensive because it requires special machinery like a large excavator or drill rig. The average added cost is about $5K-10K, but can be payed back within a few years depending on energy costs in your area.

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