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Buy Negative Air Machines for Asbestos, Mold, and ICRA Containment
Negative Air Machines at US Cleaning Tools — Picks by CFM Class
The negative air machine lineup at US Cleaning Tools spans the regulated containment spectrum, from 750 CFM single-room abatement units up through 2,500 CFM industrial-scale machines for hospital ICRA Category III/IV projects. The most-shipped unit for residential and small-commercial abatement is the Abatement Technologies Predator PRED-750 — a 750 CFM stackable HEPA negative air machine sized for single-room asbestos containments and IICRC S520 mold protocols at the 4–6 ACH minimum. Larger projects step up to the 2,000 CFM class (Abatement H2KM, BD2KM) for multi-room hospital renovations and ICRA Category III work where pressure differential must hold across longer ducted exhaust runs. Every unit ships factory-direct from US warehouses with full manufacturer warranty, pre-sale sizing support at (978) 295-7538, and 2–8 business-day standard shipping. B2B Net-30 terms are available for qualified abatement and restoration accounts.
How a Negative Air Machine Differs From a General Air Scrubber
A negative air machine pulls contaminated air from inside a sealed containment zone and discharges HEPA-filtered exhaust outside the zone, creating a measurable pressure differential that prevents particulate from migrating to adjacent occupied spaces. A general air scrubber recirculates filtered air within the same room without establishing a pressure boundary. The distinction matters under OSHA 29 CFR 1926.1101 (asbestos), EPA RRP (lead-paint renovation), and Joint Commission ICRA Category III/IV protocols, which require negative pressure documentation rather than ambient particulate reduction. Every machine in this collection is configured for ducted exhaust and meets the static pressure requirements those protocols specify.
Related: Air Scrubbers · HEPA Vacuums · Abatement Technologies · Dust Removal
Sizing by Containment Volume and Air Changes Per Hour
The CFM rating on a negative air machine determines how many air changes per hour (ACH) the machine can deliver in a given containment volume. The Abatement Technologies PRED-750 (750 CFM) handles single-room containments and small residential abatement zones at the 4–6 ACH minimum specified by IICRC S520 mold protocols. The Novatek Novair 1000 series (1,000 CFM) covers mid-size restoration containments and ICRA Category II hospital projects. The 2,000 CFM class — Abatement H2KM, H2KMA, BD2KM, and BD2KMA — handles large abatement zones, multi-room hospital renovations, and ICRA Category III projects where pressure differential must hold across longer ducted runs. The Aerospace America 9100 Turbo (2,500 CFM) is the largest unit, sized for industrial-scale abatement and large commercial restoration where a single machine handles thousands of cubic feet of containment volume. True HEPA at 99.97% capture for 0.3-micron particles is the regulated minimum; multi-stage filter stacks extend HEPA service life by capturing coarser debris before it loads the regulated-grade filter. Pressure differential should be measured continuously with a magnehelic gauge and documented at job-start, mid-shift, and job-end per OSHA and ICRA documentation requirements.
Free Sizing Tools
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Dehumidifier Sizing Calculator
Enter room size and conditions to get the right pints-per-day capacity for your space.
Use the calculator →Air Scrubber Calculator
Match CFM and air changes per hour to your room for mold, dust, and restoration jobs.
Use the calculator →Floor Scrubber Selector
Size a walk-behind or ride-on scrubber to your floor area and cleaning schedule.
Use the calculator →Water Damage Equipment Calculator
Plan how many air movers and dehumidifiers a water-loss job needs, by class and size.
Use the calculator →Let customers speak for us
Perfect vacuum cleaner
Perfect vacuum cleaner. Well made , goes around chair & table legs easily
Georgianne Arquilla
NaceCare N12S Swivel Neck Dual Motor Upright 90410NC – 106 CFM, 1200W
Nice compact scrubber/vacume
Nice compact scrubber/vacume. Works very well.
corner Cottage
Tornado Microburst TS040-W17-U Compact Floor Scrubber – 17.5" Path, 435 RPM, 67 dB
Fast shipping Great
Fast shipping Great Experience
Brian Swails
Sandia 10-0401-I Internal Hose & 4" Clear View Hand Tool Kit – 7 ft
Great
Great product
Anonymous
Sandia Gen-Air 90-0000 Commercial Air Mover – 2,400 CFM, 3-Speed, 1/2 HP, Stackable
Mosquito carbon-lite
This vacuum is very light and powerful
Austin Domnitz
Mosquito America 06-1060-ST Carbon-Lite Backpack Vacuum – 152 CFM, 9.8 lbs, Quad HEPA
Reliable Suction Power
Gets the job done without hassle. This vacuum is powerful and reliable for everyday cleaning. Definitely recommend it.
Ron P.
Bissell BG99 Economy ProShake 12" Upright Vacuum – 600W, 30 ft Cord
Good choice for pets
we have three cats, and this purifier has done wonders in removing pet odors and dander
sarah w.
AllerAir AirMedic Pro 6 Plus Air Purifier – 22 lb Carbon, Super HEPA
Brio Air Filtration = Game Changer
Located in the Twin Cities in Minnesota, we acquired our Brio Air Filter in mid-late Spring of this year (2023) when pollen count was high and we were beginning to experience the effects of Poor Air Quality Index as a result of smoke particulates from fires in Canada that caused the air in much of Minnesota to become hazy and simply dirty.
It is so easy to share our experience with the Brio Air Filter given how quickly and efficiently it removed pollen, dust, and smoke particles from the environment inside our home. Two people in our home who suffer from pollen-related allergies during the spring immediately experienced easier breathing and elimination of symptoms within the house. With respect to smoke particulates from Canada drifting into our environment, EVERYONE in our home experienced directly improved breathing and smell of the air when entering from outside.
An additional piece of information to account for is that we have always employed high grade furnace filters in our home’s central HVAC system. With that high grade filtration in place both prior to and after acquiring a Brio home air filter, we all quickly agreed that deploying the Brio in our home made an easily noticeable positive difference in breathing inside our home. Additionally, those of us who clean our home have observed that dust builds up slower on our floors and furniture than before we deployed the Brio unit.
We did note that the Brio is not as quiet as a few other brands/models on the market that we have tried in our home but the efficiency and quality of the filtration, along with the air turnover rate it provides,allows us to locate the Brio unit in central rooms away from the bedrooms. Since we made that change there has been no noise-related effect on our sleep, while the unit maintains the same level of air cleanliness throughout our home.
A last key point to make is how easy the Brio unit is to maintain. The simplicity of the modular construction of the Brio unit makes it very quick and easy to keep the filtration sections clean. We have not yet reached a point of filter replacement but it is obvious to us that the replacement will take a matter of seconds and can be executed by anyone in our home, including our 10-year-old son.
Bernie V.
Brio 550 Air Purifier – APART 0.01 Micron, 267 CFM, 24-Month Filter
Works wonders
this bedroom purifier has transformed my sleep quality. the air is so much fresher and cleaner worth every penny
mike t.
Austin Air Bedroom Machine - B402B1 - Indoor Air Quality
love the backpack
perfect for maneuvering in tight areas the HEPA filter is a huge bonus
sofia m.
Mosquito America 06-1060-ST Carbon-Lite Backpack Vacuum – 152 CFM, 9.8 lbs, Quad HEPA
Bedroom machine
It seems to help reduce my allergy issues. We're glad we bought it. The only problem I had was not seeing any cubic footage recommendations in the online description when purchasing the unit. Bedrooms vary widely in size!!
Anonymous
Austin Air Bedroom Machine - B402B1 - Indoor Air Quality
Reliable and Powerful
This vacuum has exceeded my expectations. It's super powerful and handles daily cleaning with ease. I recommend it to everyone.
Mike L.
Bissell BGUPRO12T Pro 12" Upright Vacuum – 1000W, 105 CFM, 48 ft Cord
effective sweeper
really effective in sweeping up all kinds of debris from our warehouse floor
j.c.
Bissell 38" Push Power Sweeper