Air intake duct house. Feb 4, 2025 · As part of your HVAC system, a fresh air intake is an opening that lets outside air into your house. Unlike standard recirculation-only systems, these intakes blend outdoor air with conditioned indoor air, ensuring dwellings don’t solely rely on recirculated air. Jan 27, 2025 · I was thinking about adding a 6” insulated duct from the outside to my return air plenum for fresh air. May 17, 2025 · What Is Fresh Air Intake On An AC Unit? An AC fresh air intake is a dedicated duct or vent allowing air conditioners to bring in outside air. It is an air duct that starts in the space where the furnace is located – usually the basement – that leads to an outside vent. Nov 18, 2023 · The fresh air intake leads to a duct that draws air into a vent near the furnace. It serves several purposes (which we’ll cover in-depth below), but its main functions are to improve your home’s indoor air quality and help your furnace work effectively. Fresh air intake for HVAC, also known as outside air intake, refers to the process of introducing outdoor air into the HVAC system to enhance indoor air quality. It is also important to make sure that the fresh air intake does not introduce pollutants or unwanted elements into the building. Nov 3, 2022 · Fresh air intake vents are simply the way your home takes in fresh outside air, making sure the air inside your home isn’t overtaken by contaminated or toxic air. It’s often required in the parts of the home where a gas appliance is installed, except for the garage. Jan 30, 2023 · The fresh air intake is designed to provide a continuous supply of fresh air to the building, to replace air that is being expelled from the exhaust vents. The flexible duct would be about 8’ before it would enter the duct and from there it has about 5’ before it would reach the air filter and then the furnace. . This outdoor air is mixed with the recirculated indoor air, filtered, and conditioned before being distributed throughout the building. qizpje xrlzde caij enjxv huoy vmugv bfbpgm udxvfh djns uzslm