10305 Hull Street Rd.
Midlothian, VA 23112

Air Blend Box

You push a few buttons or turn some knobs, and voila, you have warm Virginia air blowing on your feet or cool air chilling your face. How does all that happen? Well, it’s all thanks to the air blend box. This box lives behind your dash and serves up just the right temperature of air right where you want it.

Let’s break it down. First there is the blower fan that circulates the air through the heating/air conditioning system. The fan can blow at different speeds, depending on how much hot or cold air you need to be comfortable. The blend box can either draw in fresh air from outside, or recirculate air from inside the cabin. MIDLOTHIAN drivers often choose to recirculate air when first starting the vehicle until it starts to either cool down or warm up.

The next thing the blend box does is direct airflow over the heater core to warm the air, or over the air conditioner evaporator core to chill it – or a blend of hot and cold to get it just right. From there the blend box can direct the air out into the passenger compartment through the floor vents, the panel vents, the defroster, or a combination. All of this allows MIDLOTHIAN drivers to customize the climate just the way you like it.

Some vehicles have different climate control zones, like one for the driver and one for the passenger – or even more zones for the back seat. Additional blend boxes are used for this. Climate controls could be manually adjusted or computer controlled depending on your vehicle.

The blower motor and all of the little actuator motors that open and close the various blend doors can fail and need to be replaced. Most new vehicles come with a cabin air filter. This filter cleans the air before it gets into the blend box. If you neglect changing the cabin air filter, it can get clogged, smelly, and even allow mildew and other microorganisms to build up in the blend box.

The pros at A Auto Body Inc in MIDLOTHIAN can perform a heating/air conditioning system cleaning service that will clean and disinfect the system, restoring a fresh clean scent. If you are not getting enough hot or cold air, your service center can inspect your system, diagnose the cause and set things right. And don’t forget to replace your cabin air filter on schedule. If you drive in the dusty MIDLOTHIAN conditions or where there is a lot of pollen or other pollutants, you may need to replace your cabin air filter more frequently.

A Auto Body Inc
10305-D HULL STREET ROAD
MIDLOTHIAN, Virginia 23112
8046741173

At A Auto Body Inc we install quality NAPA replacement parts

CONTACT INFORMATION

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  • “A” AUTO BODY
    10305 Hull Street Rd.
    Midlothian, VA 23112

  • Phone: (804) 674-1173
    Email Us

    Feel free to call or email us to schedule your next appointment.

  • Business Hours
    Monday - Friday
    7:00AM - 6:00PM

    Saturday - Sunday
    Closed

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