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While high-temperature heat pumps are a actuality, their low efficiencies and consequent high vitality prices make them unlikely to be adopted for house heating. http://detlefmatthies.com/__media__/js/netsoltrademark.php?d=freebookmarkstore.win%2Fstory.php%3Ftitle%3Dhow-to-preserve-ideal-boiler-pressure

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