Carlisle Authorized Applicator

  • MainDuct is proud to be a Carlisle Authorized Applicator. This certification means that our technicians have completed the required training and have been certified to apply Carlisle HVAC sealing products!
  • Carlisle is a leading manufacturer of high-quality HVAC sealing products, and their products are used by professionals all over the world.
  • By using Carlisle products and having our technicians certified as Carlisle Authorized Applicators, we can ensure that our customers are receiving the best possible service and that their HVAC systems are properly sealed.
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Certified Chimney Professional (CCP)

  • MainDuct’s owner Alexander Berestovoi is a Certified Chimney Professional (CCP). This certification is issued by the National Chimney Sweep Guild (NCSG), a non-profit organization dedicated to promoting safety and education in the chimney and venting industry.
  • To earn CCP certification, individuals must pass a comprehensive exam that covers all aspects of chimney sweeping and inspections, including:
    • Fire safety
    • Chimney construction and materials
    • Chimney cleaning techniques and tools
    • Inspection procedures
    • National Fire Protection Association (NFPA) standards
  • By having a CCP on staff, MainDuct can ensure that our customers receive the highest quality chimney cleaning and inspection services available.

Certified Air Systems Cleaning Specialist (ASCS)

  • Alexander Berestovoi is also a Nationally Certified Air Systems Cleaning Specialist (ASCS). This certification is granted by the National Air Duct Cleaners Association (NADCA), the world’s leading organization for the inspection, cleaning, and restoration of HVAC systems.
  • To earn ASCS certification, individuals must pass a rigorous examination demonstrating their knowledge and competency in:
    • HVAC system construction and operation
    • Inspection and assessment procedures
    • Safe and effective cleaning methods
    • NADCA standards and best practices
  • MainDuct customers receive the highest quality air duct cleaning services available.
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2023 Best Air Duct Cleaning Service Award

  • MainDuct is grateful to be recognized as the Best Air Duct Cleaning Service in Brooklyn in 2023 by the Brooklyn Award Program.
  • The Brooklyn Award Program is a prestigious award that recognizes the excellence of local businesses in various industries.
  • This award is a testament to MainDuct’s commitment to providing high-quality air duct cleaning services

Copperfield Academy – factory-built fireplace change outs

  • This certificate is presented to Alexander Berestovoi in recognition of his attendance of the Copperfield Academy factory-built fireplace change outs.
  • The Copperfield Academy is a training program offered by the National Fireplace Institute (NFI), a non-profit organization that provides education and certification for the hearth industry.
  • This certificate demonstrates Alexander’s commitment to professional development and his dedication to providing quality service to his customers.
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Copperfield academy – chimney reline workshop

  • Alexander Berestovoi was awarded this certificate for attending Chimney Reline Workshop.
  • MainDuct specialists are proactive in their pursuit of continuous training and professional betterment in order to provide our clients with the best possible services.
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