Fresh Air Furnace Intake

Keep bathroom fans and window units turned off.

Fresh air furnace intake.

A fresh air intake is exactly what it sounds like a path for your home to take in fresh air from the outside. Drill a 6 1 4 inch hole with your hole saw. This return air intake grille typically includes some type of filter to keep dust and debris out while allowing air to pass through. In many homes the fresh air intake is simply an open duct ran from an outside vent into a basement or any room housing the home s furnace.

Your home furnace air intake location depends on where the furnace is. Fresh air intakes can be in multiple locations throughout your home especially in newer homes built to modern building codes requiring homes to be much tighter than older homes. The other bringing air into the room for the furnace burner is called combustion air. There are two types of airflow furnaces a downdraft or downflow furnace and an updraft or upflow furnace.

The air passes through the filter of the unit and quickly passes over the supercooled coils inside. Locate a spot for the fresh air intake hood on the outside of the home. How to install a duct vent fresh air intake for a furnace step 1. Typically the fresh air intake will be located in your attic or ducted to the return side of the home s central air handler.

Pipe them with solid 4 inch metal pipe. What is a fresh air intake. Click the image to order this vent now. 4 into the return duct is quite small and just enough to bring in some ventilation fresh air air w o costing that much to reheat so i would leave it alone.

You may need several to get enough air indoors to satisfy all fuel burning appliances. Unfortunately the fresh air intake you have described is the second type and does not provide direct combustion air to the furnace room as it is directly connected to the return air plenum for. This fresh air intake vent will do a great job. Bathroom fans and window box fans commonly pull outside air into your home so they should be shut off during a fire advisory.

The flow of air. Slide the 6 inch pipe stub on the hood through the hole and.