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Orange sky with melting high-rise buildings and shining sun. Heat wave concept. Extreme weather. Impact of global warming.
Air source heat pump cooling fins partially iced up in winter - energy efficiency
Plumber hands installing circulation pump for a heating system, connecting pipes and control valves
Woman touching radiator to feel temperature in modern apartment in winter cold season, hands close-up. Central heating in well-maintained flat. Comfort discomfort temperature in residential building.
External heat pump unit positioned on ground beside wall of old wooden house, forming contrast between modern equipment and aged structure

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