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Air source heat pumps are highly efficient thermodynamic systems that transfer heat from outdoor air to indoor spaces for heating purposes, or reverse the process for cooling applications. These systems utilize vapor compression cycles with environmentally friendly refrigerants, achieving typical coefficients of performance (COP) of 3.0-4.0 for heating and energy efficiency ratios (EER) of 15-25 for cooling. Modern units feature advanced technologies including variable speed compressors for precise capacity control, electronic expansion valves for optimal refrigerant flow management, and sophisticated defrost systems that maintain efficiency in cold conditions. Sidite's comprehensive product portfolio includes split systems, multi-split configurations, and large commercial systems with heating capacities from 5kW to 500kW. A district heating project in Scandinavia utilizing large-scale air source heat pumps achieved 60% renewable energy fraction while providing heating for multiple buildings, with the system operating at overall efficiencies of 350%. These systems include smart connectivity for remote monitoring, integration with building management systems, and self-diagnostic capabilities for maintenance planning. For detailed technical information and application guidance for air source heat pumps, please contact our HVAC experts for comprehensive consultation and system recommendations.