| 21. | This is much simpler than using a ground floor heat pump, says Thomas.
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| 22. | Global ground-source heat pump capacity is growing by 10 % annually.
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| 23. | Ground source heat pumps can be even more energy efficient and cost effective.
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| 24. | The heat pump will work less, having less space to heat.
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| 25. | Geothermal heat pumps circulate water through pipes buried ) deep in the ground.
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| 26. | Electric resistance heaters and heat pumps can be used as well.
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| 27. | Energy efficiency standards for home air conditioners, heat pumps approved by Bush administration.
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| 28. | A geothermal heat pump also can be used to heat water, he added.
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| 29. | The Ecodan utilizes a heat pump compressor driven by an inverter.
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| 30. | Heat was extracted from the river water using a heat pump.
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