The reason why is because there are to modes on your Air conditiniong, called fresh air mode and recycling mode, if you want to eliminate outside air put it on recycling mode. The answer to your question there are vents below your windshield to suck up fresh air mode and will pick up any smell outside for example cars exhaust fumes ETC.
Compressor not operating.
Bathroom vents typically go outside of a house through the roof or a side wall to expel moisture and odors.
Most likely a cat settled over the hood vents and peed into the air con. Happens a lot when it's cold outside.
No, directly vents through to outside wall of building.
The bathroom fan vents to the outside of the house through a duct or pipe.
The vents outside the house are typically located on the roof or on the sides of the house near the ground.
There are primarily two types of microwave vent options available for kitchen ventilation: recirculating vents and external vents. Recirculating vents filter air through a charcoal filter and release it back into the kitchen, while external vents exhaust air outside through a duct.
House vents are typically located both inside and outside the house. Inside the house, vents are usually found in ceilings, walls, or floors to allow air to circulate. Outside the house, vents are often located on the roof or walls to allow for proper ventilation.
use mr. muscle
The flap that directs sir to the selected vents is jammed or broken...or the switch that controls it is.
Plumbing vents work by allowing sewer gases to escape outside the house through a pipe that extends above the roof. This creates a pressure balance in the plumbing system, preventing the gases from entering the house through drains or fixtures.
If it smells musty check the evaporator drain hose hose. Johnny Texas.