Professional air duct cleaning done right — for Chelsea and beyond.
Castillo Air Duct Cleaning LLC provides air duct cleaning services in Chelsea, including full hvac system sanitization, carbon monoxide risk assessment, fire prevention duct cleaning, and more. Every job is handled by licensed, insured technicians with upfront written pricing, and backed by a workmanship guarantee — free estimates for all of Chelsea and nearby areas.
Your HVAC system circulates more than just air—it can spread invisible threats like mold spores, pet dander, and even fine dust that clogs filters and reduces efficiency. Over time, organic buildup in ducts becomes a breeding ground for bacteria and a fire hazard if near heat sources. Our full sanitization process uses hospital-grade antimicrobial treatments to kill 99.9% of contaminants, including those that contribute to poor indoor air quality in Chelsea’s older homes. We also clear obstructions that force your system to work harder, cutting energy waste and lowering your bills. Every service includes a post-cleaning air quality test to confirm results.
Request this service →Carbon monoxide is odorless, colorless, and deadly—but it’s also preventable. In Chelsea, where many homes rely on older furnaces and boilers, ductwork can degrade over time, creating pathways for CO to seep into bedrooms and living areas. Our risk assessment pinpoints weak spots in your system, including cracked ducts, improper venting, or backdrafting appliances. We test for CO levels during and after cleaning, ensuring your family’s safety before winter’s peak demand. Unlike routine HVAC checks, our assessment focuses specifically on duct-related CO risks, a critical but often overlooked threat in Massachusetts homes.
Request this service →Dryer vents, furnace ducts, and even bathroom exhaust lines can trap lint and dust that ignite when exposed to high heat. In Chelsea’s tight-knit neighborhoods, where homes are often older and ductwork is less accessible, this risk is amplified. Our fire-prevention cleaning targets every inch of your duct system, including hard-to-reach areas where debris hides. We use high-powered vacuums and rotary brushes to extract even the smallest particles, reducing the chance of a duct fire by up to 80%. This isn’t just cleaning—it’s a proactive safety measure required by Massachusetts fire codes for rental properties and strongly recommended for all homeowners.
Request this service →Chelsea’s coastal humidity and seasonal temperature swings create the perfect storm for mold growth in ductwork. Once established, mold releases spores that circulate through your home, triggering allergies, asthma, and respiratory issues. Our process includes a moisture analysis to identify problem areas, followed by a two-step treatment: HEPA vacuuming to remove existing mold and an EPA-approved antimicrobial coating to inhibit regrowth. We also seal ducts where necessary to prevent future infiltration. Unlike surface treatments, our method ensures mold doesn’t return, giving your family cleaner, healthier air year-round.
Request this service →Rodents and pests don’t just invade attics—they nest in ductwork, leaving behind droppings, urine, and nesting materials that spread bacteria like hantavirus and salmonella. In Chelsea, where older homes have more entry points, this is a common but dangerous issue. Our technicians remove all debris, sanitize affected areas with hospital-grade disinfectants, and seal entry points to prevent future infestations. We also test for airborne pathogens post-cleaning to ensure your ducts are safe. This service is critical for homes with children, elderly residents, or anyone with compromised immune systems.
Request this service →After cleaning, we provide a detailed report showing contaminant levels before and after, along with a certificate verifying compliance with Massachusetts Department of Public Health guidelines. This is especially valuable for Chelsea homeowners selling their property, renting to tenants, or applying for insurance discounts. We also include a customized maintenance plan to keep your ducts clean longer, such as filter replacement schedules and humidity control tips. Think of it as a health report for your home’s respiratory system—essential documentation that proves your investment in safety.
Request this service →Fast response, upfront pricing, and workmanship guaranteed. Get your free estimate today.