Why Are Heat Pumps So Efficient?

The efficiency of heat pumps is a crucial factor to consider when evaluating their performance and cost-effectiveness

Last updated
January 15, 2024
Author: Matt from Currents
Learn about energy for your home or business.

If you want to learn about the basics of how heat pumps work, check out our article. In another article, we also discuss what the different types of heat pumps are. In this short post, we discuss the efficiency of heat pumps.

SEER and HSPF Ratings: Measuring Efficiency

SEER (Seasonal Energy Efficiency Ratio): SEER is a rating that measures the cooling efficiency of a heat pump. It calculates the amount of cooling output (in British Thermal Units or BTUs) divided by the electrical energy input (in watt-hours) over a cooling season. The higher the SEER rating, the more energy-efficient the heat pump is in cooling mode.

HSPF (Heating Seasonal Performance Factor): HSPF is a rating that measures the heating efficiency of a heat pump. It calculates the amount of heating output (in BTUs) divided by the electrical energy input (in watt-hours) over a heating season. The higher the HSPF rating, the more energy-efficient the heat pump is in heating mode.

Both the SEER and HSPF ratings are important indicators of a heat pump's efficiency and can help consumers make informed decisions when choosing a system.

heat pump efficiency
Coefficient of Performance is an indicator of heat pump efficiency

How Environment Affects Efficiency

Temperature Extremes: Heat pump efficiency can be affected by extreme temperatures. In colder climates, the heat pump may have to work harder to extract heat from the outdoor air, reducing its efficiency. Similarly, in extremely hot conditions, the heat pump may struggle to dissipate heat outdoors, impacting its cooling efficiency.

Insulation and Air Leakage: The energy efficiency of a heat pump can be influenced by the insulation and air leakage in a building. Proper insulation and sealing of air leaks reduce the workload on the heat pump, allowing it to operate more efficiently.

This is an older video, but it explains heat pump efficiency: https://www.youtube.com/watch?v=U3iL172VjAc&ab_channel=TheEngineeringMindset

Navigating Rebate Programs Based on Heat Pump Efficiency

For homeowners and businesses looking to upgrade their heating and cooling systems, it's essential to stay informed about the available rebate programs.

These programs can vary by region and are often run by local governments or utility companies. Understanding the specific requirements, such as the minimum SEER and HSPF ratings, and the application process for these rebates, is crucial for making the most of the financial incentives offered.

Currents will help determine if your home project is eligible for a heat pump and what equipment you'll need to receive the full rebates you're eligible for. Sign up below to learn more.

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