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Affordable Technology - Efficiency and Heating Costs Major Benefits of Heat Pumps: Explained Efficiency: Air source heat pumps can heat a home at efficiencies of well over 400 percent in cool weather. For comparison, conventional heating systems that run on gas, oil, or propane have efficiencies between 80- 97 percent. Burning fossil fuels for heating can never reach 100 percent, because some heat will always go up the chimney, along with moisture and other combustion byproducts. That leaves you paying for a lot more “heating potential” than what you actually get in your house. But when the heat pump efficiency is calculated, the useful heat delivered is much larger than the energy you buy at the meter. In a cold climate, the average efficiency for an entire winter is typically in the 200-250 percent range. That means over a winter, you get between two and almost three times the amount of heat for your house than what you buy at the meter. That translates to dollars saved! Cooling efficiencies are much higher, too. Cold-climate heat pumps with variable speed capacity typically cool at twice the efficiency of common window ACs. Heating costs: If your existing heat is low-cost natural gas, you may pay somewhat less to heat your house than with an air-source heat pump. If electric rates are lower, and gas rates are higher, that can easily flip. At a range of expected electric and fuel costs as shown in the chart (bottom-right), the heat pump beats any other fuel for heating cost. The degree of savings depends on your fuel and electric prices, so a range is shown for comparison.4 4For this comparison, the lower and higher prices used are $1.20 - 1.75/therm for gas; $0.14 - 0.20/kWh for electricity; $2.75 - 3.75/ gallon for oil; and $2.50 - 3.60/gallon for propane. 6PDF Image | Air Source Heat Pump Buying Guide
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CO2 Organic Rankine Cycle Experimenter Platform The supercritical CO2 phase change system is both a heat pump and organic rankine cycle which can be used for those purposes and as a supercritical extractor for advanced subcritical and supercritical extraction technology. Uses include producing nanoparticles, precious metal CO2 extraction, lithium battery recycling, and other applications... More Info
Heat Pumps CO2 ORC Heat Pump System Platform More Info
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