Furnace Makeup Air Intake

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.

Furnace makeup air intake.

Keep the intake hood away from exhaust vents dryer vents and furnace vents. Need fresh or makeup air. 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. The flow of air.

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. Answer a few questions about your upcoming project and we will find contractors who can help. It is easy to install a fresh air intake for a furnace.

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. With a make up air unit that same 10 f air can be tempered to 50 f. Intakes must be protected against rain and pest entry with durable rust and rodent proof materials. Diy friendly cut a 4 25 inch hole in side of house.

Modernize will quickly match you with contractors. Step 1 locate a spot for the fresh air intake hood on the outside of the home. Make up air vent is the same thing as a fresh air intake vent. Click here to get tim s free funny newsletter.

Likewise if the outside air temperature is 10 f then the ventilation fan is bringing in 10 f air. Irc 2006 section m1602 2. Use modernize s educational content to negotiate pricing explore financing and prepare your home for installation day. 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.

Intakes should not be located directly above any wall exhaust or vent. There are two types of airflow furnaces a downdraft or downflow furnace and an updraft or upflow furnace. Watch my video below. Fans furnaces water heaters etc.