Cleaner air inside the house and a chimney that is safe to burn in. Two things worth getting right before a New England winter.

Full duct system cleaning and dryer vent cleaning.
Air Duct in Massachusetts →Free Estimate
Chimney sweeping, creosote removal, wood stove and flue cleaning, and visual inspection. Cleaning and inspection only — chimney masonry repair is a licensed trade we refer out.
Chimney Cleaning in Massachusetts →Free Estimate

