Safety isn’t optional; it’s the foundation of every service we provide. We use HEPA-approved vacuums, antimicrobial treatments, and infrared cameras to locate hidden blockages or moisture that could corrode ducts or feed mold growth. Our technicians document each step with before-and-after photos and provide a detailed Massachusetts Department of Fire Services-compliant report, so you know exactly what we fixed, and why it matters. Whether your Chelsea home dates to the 1800s or was built last year, we tailor our process to your building’s unique risks, from clogged dryer vents in triple-deckers to pollen-choked central systems in modern condos.
We’re local because we care about Chelsea’s neighborhoods. Unlike national chains that treat your home like a ticket number, we live here, we know the streets, and we stand behind every job with a 100% satisfaction guarantee. Our crews arrive in branded, fully insured vehicles, and we never upsell unnecessary add-ons. From the brick walk-ups on Broadway to the waterfront homes near Chelsea Creek, we treat every property with the same careful care. Book a free safety consultation today and see why Chelsea families trust Castillo to keep their air clean, their ducts clear, and their homes safe year-round.

Fast response, upfront pricing, and workmanship guaranteed. Get your free estimate today.