Residential HVAC Installation Practice Exam 2025 – The All-in-One Resource to Master Your Certification!

The term HSPF stands for Heating Season Performance Factor, which is an important efficiency metric used to evaluate the performance of heat pumps during the heating season. This rating indicates the amount of heat energy output provided by the heat pump in relation to the energy (electricity) consumed over a typical heating season.

HSPF is measured in BTUs (British Thermal Units) of heating delivered per watt-hour of electricity consumed. A higher HSPF rating means that the heat pump is more efficient, providing more heat for less electricity consumption, which in turn can lead to lower energy bills and a reduced environmental impact.

Understanding HSPF is crucial for both consumers selecting a heat pump and HVAC professionals recommending systems, as it directly relates to energy efficiency and operational costs. Therefore, recognizing that HSPF refers to the Heating Season Performance Factor is essential in making informed decisions and promoting energy-efficient heating solutions.