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July 27, 2020updated 09 Feb 2022 4:50am

Hyundai modifies HVAC to improve air quality

Hyundai Motor Group has announced new technology to improve the quality of air in vehicles.

By Olly Wehring

Hyundai Motor Group has announced new technology to improve the quality of air in vehicles.

Three new air conditioning technologies – After-Blow, Multi-Air Mode and Fine Dust Indicator have been introduced.

They will be introduced initially on select models in Korea and expanded to upcoming Kia, Hyundai and Genesis vehicles worldwide in the future.

After-Blow

This dries the condensate on the evaporator and suppresses mould growth in the air conditioning system, which can cause an odour during hot weather.

After the engine is turned off and the condensate on the evaporator drains naturally for about 30 minutes, After-Blow activates for 10 minutes to dry the evaporator and any condensate leftover in the air passage. The air conditioning system automatically allows influx of outside air during this time to prevent humidity from building up.

The technology uses an intelligent battery sensor (IBS) to monitor the battery and stops functioning when the battery is low, allaying any concerns about batter discharge. It also deactivates when the air conditioning system is not in use for a certain period of time, or when the outside temperature is low.

Multi-Air Mode

This mode uses multiple vents for air conditioning and heating to create a more pleasant environment with gentle air flow.

When this mode is activated, the air is dispersed to the newly added multi air slots in the driver and passenger seats in addition to the normal air vents. The overall wind volume remains the same but the dispersion of wind reduces direct air contact and softens the air.

This mode can be switched on or off.

Fine Dust Indicator

This measures the air inside the vehicle in real time and delivers digitised information, allowing the driver to better manage the air quality.

The indicator displays the concentration and pollution level of ultrafine particles (PM 2.5) inside the vehicle using integer numbers and colours for better visibility to the user: blue for 0 to 15 μg/m3, green for 16 to 35 μg/m3, orange for 36 to 75 μg/m3, and red for 76 μg/m3 or higher.

If the level of ultrafine particles exceeds 36 μg /m3 while the function is active, the air cleaning mode will run to purify the air in the vehicle. The air cleaning system automatically sets the air volume between three and eight and switches to air recirculation mode and activates the air conditioning system to reduce humidity. If the air does not improve in air cleaning mode, it can also serve as a reminder to the driver to replace air conditioner filters or to clean contaminated seats and mats.

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