Comparative analysis of life cycle costs of geothermal heat pumps and three conventional hvac systems john a shonder member ashrae michaela a martin pe member ashrae abstract howard a mclain phd member ashrae because of their low operating and mai11tenance costs geothermal heat pumps ghps are an increasingly popular. Home heat cool heat pump systems heat pumps can provide equivalent space conditioning at as little as one quarter of the cost of operating conventional heating or cooling appliances there are three types of heat pumps air to air water source and geothermal are sturdy and reliable and fit in a wide variety of homes . Dtic ada400797 comparative energy and cost analysis between conventional hvac systems and geothermal heat pump systems comparative energy and cost analysis between conventional hvac systems and geothermal heat pump systems. Typical savings for the number one household energy user hvac will be between 20 to 40 percent energy savings compared to traditional heating and cooling systems the tax credit extensions for residential and commercial geothermal heat pump installations makes installation prices more in line with traditional heating and cooling. Cost analysis of geothermal heat pumps for somerset rural electric who specializes in the design and construction of geothermal heat pump systems so based on the approximate building square footage i was able to estimate a total installation cost of the proposed geothermal system the next section address the initial
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