By sucking 55-degree heat out of the ground and concentrating it, the heat pump is able to deliver 110-degree heat into the warm air ducts of a central heating system.

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The report by AEA technology said emissions of the gases, used in refrigeration, air-conditioning and heat pump systems, were "relatively small" at 3.9% of the total but were increasing.

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Highlights of the new software include System Match technology with features such as True Radiant and Heat Pump Balance geared to help high-efficiency, non-conventional (i.e. not forced air) heating systems perform even more efficiently.

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Air is injected into the bubble rows by a squeaky pneumatic pump, then the sheets are heat-sealed on one edge.

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Every second, the world's smokestacks and cars pump 2.4 million pounds of the heat-trapping gas into the air.

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But it appears to be a catalyst-driven chemical system that releases both heat and gas in sufficient quantities to pump the wings up and down.

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