Before & After Gallery - Hollis Air Duct Hempstead

Air Duct Cleaning Before & After in Hempstead, NY

Anyone can say they clean air ducts. Seeing the inside of a return drop before and after a rotary brush pass is different. Below are the kinds of transformations our crews complete in Hempstead homes every week. We take photos of the actual ductwork because you shouldn’t have to take our word for it. Call (516) 559-4917 and we’ll show you your own system’s condition before we touch anything.

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Recent Transformations

Return Duct Packed with Construction Dust

BeforeAfter

The homeowner had renovated a kitchen three years earlier and noticed a fine white film on furniture every week. The return duct feeding the main floor was carrying decades of construction dust. We ran a Rotobrush rotary brush system under negative air with a Nikro machine pulling the loosened debris out the other end. Post-work photos showed bare galvanized metal, and the homeowner called two weeks later to say the dusting intervals had doubled.

Supply Runs Coated in Candle Soot and Cooking Grease

BeforeAfter

This system had twelve supply runs, and half of them looked like the inside of a neglected range hood. Soot from years of jar candles and oil from a kitchen vent that never quite pulled enough air had created a sticky film that was trapping dust. The rotary brush broke the film loose, the negative-air machine captured the debris, and the homeowner noticed the house stopped holding that faint fried-food smell. We also recommended a duct sealing pass on the supply trunk, since minor leaks were pulling unfiltered attic air into the system.

Dryer Vent Run with a Quarter-Inch Lint Blanket

BeforeAfter

The call started as an air duct cleaning quote, but the homeowner mentioned the dryer had been taking two cycles to finish a load of towels. That’s a lint problem, not a heating element problem. We pulled the vent and found a quarter-inch of compacted lint along the full run. After cleaning, the dryer finished a full load in just over 40 minutes. We told the homeowner to expect that kind of behavior because a clean vent means the dryer isn’t fighting itself. The 365-Day Done Right Promise covers this vent for a full year, same as every other job.

Flex Ducts Collapsed with Pet Hair and Dander

Two bedrooms in this house never quite reached temperature, and the homeowner assumed the dampers were just old. The real issue was four flex ducts that had become breeding grounds for pet hair, dander, and the occasional cat toy. We cleaned each run with the rotary brush sized for flex duct, then recommended replacing the two most degraded sections because the inner liner had started to separate. The written price covered the cleaning and the replacement, and nothing changed once we got inside. That’s how every Hollis job works.

Main Trunk Sealed After Years of Attic Debris Infiltration

Attic systems in Hempstead homes take a beating from summer heat and winter cold, and the joints in this trunk had opened up enough to pull loose insulation into the airstream. We cleaned the trunk with the negative-air method, then sealed every accessible joint with duct mastic, which is the same flexible sealant commercial crews use. The homeowner’s biggest complaint, a constant stale attic smell when the blower kicked on, went away within a day. Sealing also means the air you paid to condition stays in the ducts instead of leaking into the attic.

Return Chase in a 1970s Split-Level, Never Cleaned Since Construction

Some homes in Hempstead were built with return chases instead of dedicated return ducts, and nobody thinks to clean them. We knew we were into something when the initial camera inspection showed a half-century of dust and sediment. We set up the Nikro negative-air machine to create continuous airflow while the brush worked the chase walls. The result was immediate: stronger airflow at the returns and a house that stopped smelling like a warm attic on cold mornings. The homeowner asked how often this should be done. For a house with this much history, we said every four to five years.

Want Results Like These?

Every job we complete in Hempstead starts with a camera inspection and a written price before any work begins. You’ll see what’s in your ducts, what we’ll do about it, and what it costs. Then after the work, you’ll see the after photos. Call (516) 559-4917 to schedule your inspection. Roy Castellanos and the crew are background-checked, uniformed, and will leave your house cleaner than we found it.

Written by Roy Castellanos, Owner at Hollis Air Duct Hempstead, serving Hempstead, NY and surrounding Nassau County communities.