Commercial Air Curtains and How They Cut Cooling Loss at Entrances
Author : Industry Insights | Published On : 29 Oct 2026
Loading bays, restaurants, cold stores and busy shops all share one problem: doors that stay open let expensive conditioned air escape. A commercial air curtain reduces that loss without blocking movement, and suppliers such as Aircon Engineers help match the unit to the opening.
The basic principle
A fan blows a smooth sheet of air across the doorway. This stream acts as a barrier between two environments, limiting the exchange of warm and cool air as well as dust and insects.
Where they are used
- Retail shops and malls with frequent foot traffic.
- Restaurants and kitchens.
- Cold rooms and warehouses.
- Hospitals and clean areas that need to reduce airborne contamination.
Selecting the right size
Choose a unit that spans the full width of the door and provides enough air velocity to reach the floor. Taller openings and windy locations need stronger units. For doors that open to the outside, check the mounting height recommended by the manufacturer.
Energy savings
Reducing infiltration lowers the load on cooling and heating equipment. Sensor controlled units run only when the door opens, which saves electricity. If you are comparing models, look at the air curtain door options and note the airflow and power rating.
Maintenance
Clean grilles and fans regularly and check the fixings and wiring. A simple schedule keeps airflow strong and noise low.
Where else to cut losses
For doors used by vehicles or trolleys, pvc strip curtains are a popular partner to an air curtain in cold storage areas.
To discuss your entrance size and requirements, contact Aircon Engineers.
