US startup developing defrost-free residential heat pump for cold climates

TerraVis Energy claims its new heat pump system can achieve a seasonal coefficient performance of 3. 5 and deliver 30 C of heat indoors at -50 C. CEO Lorenzo Rossi told pv magazine that the system could be produced at a lower cost than conventional models. US startup TerraVis Energy is developing a residential heat pump that it claims can maintain high comfort levels without requiring defrosting. "The system is based on our soon-to-be patented Zero-Frost technology that, as the name implies, never needs to go to the defrost mode," CEO Lorenzo Rossi told pv magazine. "With normal heat pumps, whenever ...

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