How do I know what size damper I need?

A simple formula of Width X Height divided by 144 will give you the square footage of a damper. Example: The damper in question is 45 inches X 23 inches using the formula. 45 X 23 = 1035 divided by 144 = 7.1875 square feet of damper area.

How long do zone dampers last?

around 20 years
How Long Do HVAC Dampers Last? The quality of the equipment, how frequently you run your HVAC unit, and if you follow regular maintenance schedules can all affect the lifespan of your HVAC components. Dampers can last around 20 years with proper maintenance.

What is the purpose of a zone damper?

A zone damper (also known as a Volume Control Damper or VCD) is a specific type of damper used to control the flow of air in an HVAC heating or cooling system. In order to improve efficiency and occupant comfort, HVAC systems are commonly divided up into multiple zones.

How do you measure a zone damper?

You can measure this from the inside edge of the damper’s face or along the outer frame of the damper. In other words, you can measure a round damper from its inner dimensions or its outer dimensions.

How do I know if my zone damper is bad?

Put the damper into an open position and check the registers once again to see if the airflow starts. If the damper is closed and you are feeling low airflow, or none at all, it is most likely a bad damper. For the automatic control damper, turn your HVAC system on. Check for airflow in the registers.

How much does a zone damper cost?

HVAC zone dampers installation cost HVAC zone dampers cost $70 to $340 each, depending on the type, material, and quality. Dampers are plates, valves, or vents that open and close to direct the airflow in the ducts. Multiple dampers can be controlled together if they all serve the same zone.

Do zone dampers work?

Better air quality The dampers that control a zoned HVAC system make sure air is only diverted to the zone it’s intended for, so they help keep unwanted dirt and debris that escaped the filtration system from circulating throughout the entire house every time the HVAC system is turned on.