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Duct Cleaning with New Furnace
  • October 30, 2023

Cleaning Air Ducts with a New Furnace: Before or After Installation?


When investing in a new furnace unit, homeowners often face a conundrum: Should the air ducts be cleaned before or after the new furnace is installed? While both options present pros and cons, understanding their implications can help homeowners make an informed decision.


The Case for Cleaning Before Installing a New Furnace:


  1. Preventing Contaminant Circulation: Old ducts can harbor dust, mold spores, and other contaminants. Cleaning before installation ensures that the new furnace isn’t immediately circulating these particles.
  2. Efficiency from the Start: A clean system ensures that the new furnace operates at its maximum efficiency from the outset, offering optimal performance and energy savings.
  3. Extended Equipment Life: Starting with clean ducts can minimize the wear and tear on a new furnace, potentially extending its lifespan.


The Case for Cleaning After Installing a New Furnace:


  1. Post-Installation Debris: The installation process can sometimes dislodge particles within the ducts. Cleaning afterward ensures any debris from the installation itself is removed.
  2. Comprehensive Assessment: A professional cleaner can assess the entire HVAC system post-installation, ensuring both the furnace and the ducts are in optimal condition.
  3. Reduced Workload: Merging the installation and duct cleaning process can be efficient, especially if managed by the same service provider.

To delve deeper into the intricacies of duct cleaning, its advantages, potential downsides, and when to consider it, our resources can be of great assistance:



To understand more about indoor air quality and its effects on our well-being, the Environmental Protection Agency’s resources on indoor air quality can provide a wealth of knowledge.