Furnaces designed for mobile homes function differently than those designed for traditionally constructed houses. Mobile homes furnaces require unique ductwork, vents, and are installed differently than standard residential furnaces in order to keep the residence and its occupants safe.Click to see full answer. Subsequently, one may also ask, whats the difference between a mobile home furnace and a regular furnace?The most common furnace installed in a mobile home is a forced air unit, according to Mobile Home Repair. This is because a mobile home does not have the extra crawl space or attic space for a different type of furnace to safely fit into. This unit sits in a small, enclosed furnace cabinet featuring a vented door.Likewise, how much is a new furnace for a mobile home? The minimum cost for a mobile home furnace is $950. The average cost for a mobile home furnace is $1,075. The maximum cost for a mobile home furnace is $1,200. Then, can you install a regular furnace in a mobile home? The duct work of a mobile home is too small to allow a regularly sized furnace to be installed or used. The airflow is the answer to why mobile homes need a specialized furnace. Without a fan that is properly designed, air cannot flow through a mobile home in a safe and efficient way.How long does a furnace last in a mobile home?Generally speaking, a furnace can be expected to last between 15 and 20 years. This average varies, of course, based on the quality of the unit, how it’s used and whether it has been properly maintained.