Heat Pump Market by Type (Air-to-Air, Air-to-Water, Water Source, Geothermal, Hybrid) Refrigerant (R410A, R407C, R744) Rated Capacity (Up to 10 kW, 10-20 kW, 20-30 kW, >30 kW) End User (Residential, Commercial, Industrial) Region – Global Forecast to 2026