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.
Cost to Install a Duct. Updated: August 2017. For a basic project in zip code 47474 with 60 linear feet, the cost to Install a Duct starts at $7.58 - $10.51 per linear foot. Because job specific configurations and options will result in significantly different costs, homewyse uses industry-standard algorithms and professionally screened cost data to create estimates customized to the specific options of YOUR hvac duct installation project.