Furnace Makeup Air Intake

Need fresh or makeup air.

Furnace makeup air intake.

If the outside temperature is 100 f with 85 relative humidity then a standard ventilation fan is bringing in 100 f with 85 relative humidity air. Likewise if the outside air temperature is 10 f then the ventilation fan is bringing in 10 f air. Irc 2006 section m1602 2. Your home furnace air intake location depends on where the furnace is.

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. Department of energy a defining feature of high efficiency furnaces is sealed combustion a process by which outdoor makeup air is piped directly into the burner. Make up air vent is the same thing as a fresh air intake vent. Click here to get tim s free funny newsletter.

Watch my video below. Step 1 locate a spot for the fresh air intake hood on the outside of the home. According to the u s. Answer a few questions about your upcoming project and we will find contractors who can help.

The makeup air system consists of a make up air damper mounted on the return air duct of an hvac system and an intake air hood installed through an exterior wall to allow outdoor air into the home with the two being typically connected by installer supplied standard 6 galvanized sheet metal pipe. Modernize will quickly match you with contractors. Fans furnaces water heaters etc. Keep the intake hood away from exhaust vents dryer vents and furnace vents.

Intakes should not be located directly above any wall exhaust or vent. Diy friendly cut a 4 25 inch hole in side of house. With a make up air unit that same 10 f air can be tempered to 50 f. Begin your home improvement project with confidence.

There are two types of airflow furnaces a downdraft or downflow furnace and an updraft or upflow furnace. Use modernize s educational content to negotiate pricing explore financing and prepare your home for installation day. It is easy to install a fresh air intake for a furnace. Intakes must be protected against rain and pest entry with durable rust and rodent proof materials.