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Energy efficiency concept. Businessman touching virtual screen of energy efficiency rating for energy efficient house building rate label audit.
Two technicians analyze cooling equipment and solar panels on a city building rooftop.
Worker on ladder maintaining multiple air conditioning units on building wall. Concept of business and service industry focused on technical maintenance and energy system efficiency.
Hand holding digital tablet and looking at house efficiency rating. Detail of house efficiency rating on digital tablet screen. Concept of ecological and bio energetic house. Energy class.
Wooden house model, light bulb and coins on energy efficiency document on the table

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