Types of air curtains Nedfon FM3509DY: non-recirculating or recirculating. A non-recirculating unit discharges the air to the environment. Otherwise recirculating collect and return the air from the discharged air. Recirculating air curtains are more efficient but the majority of installations are non-recirculating due to lower costs.
Advantages of Air curtains Nedfon FM3509DY
- Commercial profitability
- Hygienic and healthy atmosphere
- Energy saving
- In conclusion, on open doorways it is highly recommended to use an air curtain because of the many benefits
- Increased safety
Application of Air curtains Nedfon FM3509DY
The air curtains reduce energy costs by keeping heated or cooled air in the internal building atmosphere.
Efficient air curtains will save up to 80% energy looses across a doorway compared with a door without air curtain.
During the winter an air curtain creates a barrier that keeps out the cold air while in the summer the air stream keeps out the hot air from outside.
Bearing in mind the energy saved, the average payback time for an air curtain is between 2 and 5 years depending on usage and climate conditions.