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Solar + Air Source Heat Pump Hybrid Project

2026-09-23

Case 29: Solar + Air Source Heat Pump Hybrid Project

Project Objective: Showcase future green energy transition and clean energy applications.
Building Area: 220 m2
Climate Conditions: Tibetan plateau region at an altitude of 3,850m with abundant solar insulation resources; long, cold winters, minimum temperatures of -12℃, extreme diurnal temperature swings, and a 4-month heating season.
Project Requirements: Full-house winter space heating.

Solution & Performance

Core Equipment: Integrated system combining solar thermal collectors + plate heat exchangers + a 10HP ultra-low temperature air source heat pump.

Operation Logic: On sunny days, solar thermal energy takes precedence via plate heat exchangers to drive the underfloor heating. On overcast, rainy, or nighttime periods, the system automatically engages the heat pump as a secondary backup heat source.

Performance & Effects: Underfloor heating supply at 45–55℃ keeps indoor temperatures stable at 20–22℃ alongside a 150L buffer tank for heat storage. This smart automatic switching maximizes free solar clean energy, sharply curtails heat pump runtime, lowers overall energy consumption by over 40%, and exemplifies low-carbon eco-friendly heating development in plateau zones.