Researchers develop multi-source heat pump for cold-climate efficiency

Chinese and Spanish researchers created a hybrid heat pump system that draws from air, water, and ground sources with adaptive controls to boost winter performance in cold regions.

First covered Jul 14, 2026 · 12:00 AM PT · 1 article

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18h PV Magazine Three-source heat pump system for cold climates — Chinese and Spanish researchers have developed a multi-source heat pump system combining air, water, and ground heat sources for improved performance in cold…

Researchers develop multi-source heat pump for cold-climate efficiency

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