Cornerstone Iaq Services LLC

Derry, NH

Air Duct Cleaning • Chimney Sweep • Heating and Cooling • Remodel/Home Improvement

Is this your business?


We provide Duct cleaning, dryer vent cleaning and duct replacement with 10 years of experience. We hold certifications from industry leading company's like NADCA, IICRC, EPA and the IAQA to keep up with the latest methods of cleaning and the safety of our customers. Our reason for starting the business is to provide a service and educate customers on why you should have your duct work and dryer vent cleaned. We care about how much energy is wasted and the quality of air you are breathing indoors in a residential and commercial buildings with HVAC system and Dryer vents.

Services Offered

Air Duct Cleaning
  • Vent Cleaning
  • Vent Clean
  • Duct Clean
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Chimney Sweep
  • Chimney Sweep
  • Chimney Inspection
  • Chimney Cleaning

Heating and Cooling
  • Central A/C Install
  • Central A/C Repair
  • Central Humidifier Install
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Remodel/Home Improvement
  • Basement Remodel
  • Wood Stair Install
  • Wood Railing Install
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