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Question DetailsAsked on 2/16/2014

How much should it cost to replace a motorized HVAC damper?

I need to replace a motorized damper for a 16 x 16 air duct and add a manual damper for a 6 in. duct. Both locations are easily accessible. How much should this cost (in Texas)?

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1 Answer


According to my sources, about $200-300 for motorized air control damper, $400's for fire/smoke rated models. The 6" manual ones about $15-40 depending on type of duct and if round (cheaper) or square. Installation probably about 2-3 hours chargeable if truly accessible and no interference with other facilities where you want to put 6" one. Labor probably about $250-400 - will require 2 trips - one to measure and deterine voltage of motor and order, one to install though if you are lucky you might get the first one free.

I would question why replace the 16" one - if motor has gone out, if it cannot be fixed can probably just replace that for about 1/3 to 1/2 the cost installed, unless the dampers have been physically mangled.

Answered 6 years ago by LCD

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