Hearth dampers are fireplace-guarding units which might be utilised within just HVAC programs. They can be intended to quit the fire from spreading through the ducts. In a set temperature, the hearth damper shuts and varieties a barrier that stops the fireplace from spreading in the ducts. Watch out for https://aircontroldampersforengin46789.dgbloggers.com/37015079/the-best-side-of-air-control-dampers-for-hot-climates