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What is the fresh air option in AC?

2025-09-05

The fresh air option in an air conditioning (AC) system refers to the capability of the system to introduce outdoor air into the indoor space being cooled or heated. This feature allows for ventilation and the circulation of fresh air from outside, which can help improve indoor air quality by diluting pollutants, odors, and moisture.

The fresh air option is typically controlled by a vent or damper that can be opened to allow outside air to enter the system. Some modern AC units come equipped with dedicated fresh air intake systems that can regulate the amount of outdoor air brought into the indoor environment.

In commercial buildings, fresh air intake is often required by building codes to ensure proper ventilation and occupant comfort. In residential settings, the fresh air option can be beneficial for maintaining a healthy indoor environment, especially in tightly sealed homes where indoor air quality may be compromised.

By incorporating a fresh air option in an AC system, occupants can enjoy improved air quality, reduced stuffiness, and better overall comfort, especially in spaces where natural ventilation may be limited.

Large Air Conditioner Unit

AHU Air Handling Unit

Water Cooled Water Chiller

Air Source Heat Pump

Air Cooled Water Chiller

VRF VRV Air Conditioning System

Fan Coil Unit

Air Blower Fan

Portable Air Conditioner

Mini Split Air Conditioner

Window Air Conditioner

Air Purifier Ventilation System

Air Duct

Air Filter

Air Conditioner Spare Part

Large Air Conditioner Unit

AHU Air Handling Unit

Water Cooled Water Chiller

Air Source Heat Pump

Air Cooled Water Chiller

VRF VRV Air Conditioning System

Fan Coil Unit

Air Blower Fan

Portable Air Conditioner

Mini Split Air Conditioner

Window Air Conditioner

Air Purifier Ventilation System

Air Duct

Air Filter

Air Conditioner Spare Part

Blog Details

What is the fresh air option in AC?

What is the fresh air option in AC?