Just like the name appears to suggest, a cliff vesting schedule will not allow you to vest for a certain specified period. 1  After the time lapses, you immediately become 100% vested just like going off a cliff.
1 A proper home air duct cleaning costs anywhere from $400-$1,000, depending on the size of the system to be cleaned, the type of services offered, the regional climate and the level of use the ventilation system gets, the type of materials inside the ductwork and the amount of contaminants (dust, mold, etc.).hopping for duct cleaning: 1  Some older air ducts may contain asbestos in the insulation, register boots or other areas. 2  Asbestos removal absolutely requires specialized procedures which will add to the total cost, depending on the complexity and extent of the problem.
Companies offering a super low price on air duct cleaning might do more harm and no good. The fact of the matter is this: the average air duct cleaning for most homes costs between $300 and $500, with the price affected by factors like the size of the home, the number of ducts and their configuration. According to Blue Book International, the average price for air duct cleaning is $35 per vent.