How are heat pumps used in supermarkets?
There are many uses for heat pumps in supermarkets as they transfer heat from one place to another using electricity. They are usually installed to improve energy efficiency, reduce operating costs, and lower carbon emissions.
The most common uses are:
- Efficient cooling machines behind the refrigerator system which cools the air in the display cabinets and cold storages to keep the food cold.
- Recover waste heat from refrigeration systems (used for chilled and frozen food) and reuse it for space heating or hot water.
- Provide heating and cooling for customer areas and storage rooms. Air-to-air or air-to-water heat pumps are used to heat or cool the store efficiently, often integrated with the building’s ventilation system.
- Improve energy and cost efficiency by integrating with Building Management Systems (BMS) using smart climate control systems and renewable energy sources.
Why are they being installed?
For energy recovery purposes as supermarket refrigeration systems generate a lot of waste heat. Heat pumps can capture this and use it to warm the building or water, reducing the need for additional heating
To lower emissions by replacing fossil-fuel-based heating systems, thus reducing greenhouse gas emissions.
To improve cost savings since reusing heat and optimizing energy use leads to lower utility bills.
For comfort and safety as heat pumps help maintain stable indoor temperatures and humidity, which is crucial for both food preservation and customer comfort
A Step Toward Greener Retail
As part of broader sustainability efforts, supermarkets are adopting heat pumps to reduce their environmental impact and improve operational efficiency. With support from policy initiatives and technological innovation, heat pumps are helping transform supermarkets into smarter, cleaner places to shop.
Want to know more? Visit the Project 44: Performance indicators for energy efficient supermarket buildings page or the Knowledge Hub for a deeper dive into more technical material.