What is heating capability?

Thank you for your question. This Fujitsu mini split system can efficiently heat with temperatures ranging from 5 degrees Fahrenheit to 75 degrees Fahrenheit. It can efficiently cool with temperatures ranging from 14 degrees Fahrenheit to 115 degrees Fahrenheit. During cooling it has an operation range of 64 degrees Fahrenheit to 90 degrees Fahrenheit. During heating it has an operation range of 86 degrees Fahrenheit of less. For more assistance, please give us a call.