The COP of a heat pump stands for "Coefficient of Performance."It is a key indicator for determining the energy efficiency of a heat pump.Specifically, it measures the efficiency with which a heat pump converts input energy into useful heat or cooling, and the ratio of heating or cooling output to electrical energy input.
The formula is: COP = Heat Output (Q) / Electrical Energy Input (W).
COP is a "snapshot" value. It is measured under specific, standardized conditions, such as a set outdoor temperature and a specific water flow temperature. Since the efficiency of a heat pump varies with outdoor temperature, COP alone cannot reflect its seasonal performance.
The Seasonal Performance Index (SCOP) is the overall performance coefficient of a heat pump unit, representing the performance over the entire specified heating season.SCOP provides a holistic assessment of a heat pump's performance throughout the heating season, taking into account variations in outdoor temperatures and operating conditions.Modern air-source heat pumps typically have an SCOP value between 3.0 and 4.0.
COP and SCOP are key factors to consider when choosing a heat pump.These metrics provide a clear path to evaluating a heat pump's energy efficiency, helping you make an informed choice.Higher COP or SCOP means a more efficient system, potentially resulting in significant energy savings over the system's lifespan.Choosing a high-efficiency heat pump (high COP and SCOP) reduces electricity consumption, which can lower your home's energy bill and carbon footprint.
If you are exploring heat pump solutions that strike the perfect balance between comfort, energy efficiency, and sustainability, click here to learn about our advanced heat pump lineup.
Add：8F, Xinghe Business Tower, 89 Jiefang Road, Hangzhou, Zhejiang, China 
Copyright © 2026 Dentwiton. All rights reserved. 浙ICP备2025219677号
