How much does air duct cleaning cost?

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Learn the expected cost of having your home ducts cleaned.

There is growing concern among many homeowners about mold, allergens, and poor air quality inside the home. One current trend that seems to be gaining steam with homeowners is to contract with companies who specialize in air duct cleaning with the intent of improving the home’s overall air quality. Most air duct cleaning companies will recommend that you clean the air ducts every 3-5 years.

But according to the Environmental Protection Agency, homeowners need to proceed with caution as there is no definitive proof that duct cleaning actually prevents health problems. However, if you discover significant amounts of mold in the air duct system, your air ducts discharge dust and debris from the supply registers, or you find critters like rodents and insects living inside the air ducts, it’s probably time to consider hiring a contractor.

Typical Costs for Air Duct Cleaning

  • Low-End Estimate: $150

  • High-End Estimate: $1,000

Potential Extra Costs

Multiple System Units to Clean in One Home

  • Low-End Estimate: $150

  • High-End Estimate: $1,000

  • According to KiwiServices.com, some companies take into consideration the number of furnace units, supply vents, and return vents when providing an estimate for services. For example, a home with two furnace units, four supply vents, and 17 return vents would cost about $600 to clean and disinfect both systems.

Mold Removal (Not Done by the Air Duct Cleaning Company):

  • Low-End Estimate: $2,000
  • High-End Estimate: $6,000

Asbestos Removal (Not Done by the Air Duct Cleaning Company):

  • Low-End Estimate: $1,500

  • High-End Estimate: $30,000

What to Expect from Air Duct Cleaning Companies

  • Once the air duct company arrives, it usually takes about 2-4 hours to complete the cleaning for a single air handler.

  • They start with the furnace, removing and cleaning all accessible air handling components (includes the squirrel cage and the fan).

  • They remove all supply and return vent covers, washing and disinfecting them with an antimicrobial treatment.

  • They insert vacuum scrubbing brush units into the ductwork, cleaning and removing buildup as they go.

  • If you agree to any additional products and services like chemical treatments or anti-bacterial and microbial sprays, they will apply them after the air duct system is completely cleaned. With some companies, the cost of antimicrobial sprays is included in the initial quote for services.

  • If your air filters are dirty, they will clean them or offer to replace them with new filters.

  • Some companies will offer multi-year warranties to guarantee their work.

  • Be wary of companies who claim to do both air duct cleaning and mold removal. Although the companies may discover mold during the duct cleaning process, they may not be specialized enough to handle the mold problem. Mold testing and inspection by a mold remediation service may be needed to determine the extent of the problem.

  • If you have an older system and the air duct cleaning service discovers asbestos, they may recommend a local asbestos removal service.

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