Furnace Makeup Air Intake

Intakes must be protected against rain and pest entry with durable rust and rodent proof materials.

Furnace makeup air intake.

Wall intakes must also be 10 feet from any exhaust fan discharge outlet unless that outlet is 3 feet or more above the intake location. Make up air vent is the same thing as a fresh air intake vent. According to the u s. Answer a few questions about your upcoming project and we will find contractors who can help.

Your home furnace air intake location depends on where the furnace is. Click here to get tim s free funny newsletter. Keep the intake hood away from exhaust vents dryer vents and furnace vents. Watch my video below.

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. Modernize will quickly match you with contractors. With a make up air unit that same 10 f air can be tempered to 50 f.

Begin your home improvement project with confidence. 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. Step 1 locate a spot for the fresh air intake hood on the outside of the home. Likewise if the outside air temperature is 10 f then the ventilation fan is bringing in 10 f air.

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. 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. Irc 2006 section m1602 2. 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.

Need fresh or makeup air. There are two types of airflow furnaces a downdraft or downflow furnace and an updraft or upflow furnace. The flow of air. Intakes should not be located directly above any wall exhaust or vent.