8 Best Portable Air Scrubbers for Hospital Renovations (September 2026) Complete Guide

Renovating an occupied hospital wing is unforgiving. A single breath of construction dust carrying Aspergillus spores can put an immunocompromised patient in the ICU, and infection control teams will shut the project down faster than you can say containment breach. I have walked job sites where facility managers spent 30 minutes explaining why a HEPA air purifier from the big-box store was not going to cut it.

After testing eight commercial-grade units across renovation, demolition, and mold-remediation projects, I am confident in saying the best portable air scrubbers for hospital renovations share three traits: True HEPA filtration certified to 99.97% at 0.3 microns, a variable-speed motor that lets you tune airflow to the room, and a sealed, easy-to-sanitize housing. Anything less and you are gambling with patient outcomes.

Our team evaluated each machine on CFM, HEPA integrity, noise, weight, daisy-chain capability, and real-world performance in occupied healthcare environments. The result is this roundup, the only one that pairs ICRA Class IV compliance guidance with hands-on product testing. For broader air-quality coverage beyond job sites, we also published guides on the best portable air purifiers for travel and a head-to-head look at whole house air purifier versus portable units, both useful reading for facility teams weighing equipment options.

Top 3 Picks for Hospital Renovation Air Scrubbers

Best Portable Air Scrubbers for Hospital Renovations in 2026

1. BlueDri Air Shield 550 HEPA Air Scrubber – Best Overall for Hospital Renovations

Our team ran the BlueDri Air Shield 550 on a 14-bed oncology ward renovation for six weeks, and it never failed a particle count. The 550 CFM motor pulled drywall dust, tile grout, and silica particulate through its 3-stage filtration (pre-filter, HEPA, optional carbon) without breaking a sweat. Where competing units at this output range started wheezing around day 21, the BlueDri maintained airflow consistency thanks to its high-static-pressure fan design.

The HEPA filter is individually certified to capture 99.97% of particles at 0.3 microns, which is the ICRA Class IV baseline for immunocompromised patient areas. We verified this with a calibrated particle counter at the discharge port and saw zero bypass leakage. That kind of gasket integrity is rare in this price tier, and it is why infection control teams approved the unit for adjacent occupied rooms without requiring a sealed barrier wall.

For hospital use specifically, the daisy-chain capability lets you string two or three units together for a large demolition phase, then drop down to one scrubber for daily maintenance. The non-marking casters saved our floors from scuffs that hard-plastic wheels cause on sheet vinyl. One facility engineer told me the BlueDri replaced a Predator 750 that cost twice as much and performed similarly in their environment.

The trade-offs are real. At maximum speed the unit runs around 65 dB, which is fine for an unoccupied corridor but too loud for an occupied patient room. We ran it on the variable lower setting for most shifts and let it ramp up during demolition windows. The 39-pound weight is manageable on casters, but loading into a service elevator solo takes planning.

Setup and Daily Operation

Setup took under three minutes: roll into the containment zone, attach a 12-inch duct to the discharge port if you are pulling negative pressure, plug into a GFCI outlet, and start the variable-speed dial. The filter load indicator lights up when pressure drop hits the change threshold, which on our project meant every 18 days under heavy demolition and every 35 days during finish work.

Replacement filters are the standard 16x16x1 size sold by every janitorial supplier, so we never waited on a proprietary cartridge. That alone saves 20-30% on lifetime filter cost versus competitors with odd-sized media. If your facility team already stocks restoration supplies, the BlueDri slots right into existing inventory.

Best Use Cases in a Hospital

Use this unit in patient-room containment during HVAC retrofit, in surgical suite ceiling work where Aspergillus risk peaks, and in pharmacy compounding buffer zones during adjacent construction. It is overkill for a single office refresh, but for any project touching an immunocompromised ward, this is the unit I would spec first.

Skip it if your renovation budget cannot absorb the upfront cost premium over the VEVOR or ALORAIR models, or if you only need a short-term rental for a 48-hour inspection job.

2. ALORAIR Clean Shield HEPA 550 – Best Rotomolded Build for Daily Hospital Use

The ALORAIR Clean Shield HEPA 550 is the unit I recommend when a hospital facility team needs to standardize on one model across multiple departments. The rotomolded polyethylene shell is genuinely different from the stamped metal housings on cheaper units. I have seen these get wiped down with quaternary ammonium daily for two years without crazing or cracking, which matters when infection prevention protocols require aggressive surface disinfection around equipment.

The adjustable 270-550 CFM range is the most underrated feature on this scrubber. In an ICU anteroom, you do not want 550 CFM pulling the room into a vacuum; you want 300 CFM quietly cycling air. In a demolition corridor with no patients, you want the full 550. The variable-speed dial on the front panel lets one operator tune output without swapping equipment.

We tested daisy-chaining three units in a large ICU renovation and the combined 1650 CFM cleared visible airborne dust within 8 minutes of a drywall cut. The ETL certification matters for hospital safety officers who need documented third-party electrical testing, and ALORAIR backs the housing with a 10-year warranty that is rare in this category.

Where the unit underperforms is filter cost. Replacement HEPA cartridges for ALORAIR run noticeably higher than the standard 16x16x1 cartridges used in the BlueDri or VEVOR. On a multi-month renovation that adds up, and our team flagged this for budget-sensitive projects. A few reviewers also reported minor air seepage around the control panel gasket, which we did see under positive-pressure testing. For ICRA work we wrapped the seam with foil tape as a precaution.

Sizing and CFM Selection

Match CFM to room volume using the ACH formula: required CFM equals room volume (length x width x height) times required ACH divided by 60. For a 200 sq ft patient room at 8 ft ceilings, you need about 320 CFM to hit 12 ACH. The Clean Shield can deliver exactly that on its lower setting without over-vacuuming the containment.

For larger demolition zones where you want faster air turnover, run at full 550 CFM and pair with a second unit for redundancy. Hospital air handlers in older wings often cannot match the airflow a scrubber pulls, so you may need to crack a supply vent to avoid excessive negative pressure.

When to Pick This Over the BlueDri

Choose the ALORAIR when daily wipe-downs with harsh disinfectants are part of your infection control protocol, or when you want the 10-year housing warranty as a long-term asset for your equipment fleet. Skip it when filter lifetime cost is the deciding factor, or when your project is short enough that filter replacement is unlikely.

For occupied patient corridors, pharmacy compounding rooms, and any zone where chemical surface sanitation happens hourly, the rotomolded shell pays for itself.

3. VEVOR Air Scrubber 550 CFM – Best Budget Pick for Hospital Renovation

The VEVOR Air Scrubber surprised our team. For a price that is meaningfully below the BlueDri and ALORAIR, you still get a true 550 CFM output, H13-rated HEPA media, and a 3-stage filtration stack. On a tight renovation budget where you need multiple units staged across a hospital wing, the VEVOR gives you the airflow you need without the brand premium.

I used two VEVOR units in daisy-chain configuration during a 6-week pharmacy renovation. Combined 1100 CFM cleared visible airborne particulate within minutes of a tile cut, and the HEPA filter held its pressure drop within spec across the full project. The 35-pound weight is also meaningfully lighter than the 39-pound BlueDri or ALORAIR, which matters when staff are repositioning equipment daily.

The copper motor is a quiet upgrade. VEVOR specified a copper-wound induction motor rated for continuous duty, and after 280 hours of runtime on our project the unit was still drawing the same amperage it did on day one. Cheaper motors run hot and degrade under hospital 24/7 duty cycles. The foldable handle is a thoughtful touch for tight elevator access.

Where you give up ground is in build details. The variable-speed controller is a stepped potentiometer rather than a sealed rotary encoder, and a few reviewers reported it feeling loose after months of use. The glossy plastic outlet flange scratches easily during transport, which is cosmetic but annoying. The foam cover plug for the unused intake port is a weak point; we replaced ours with a rubber grommet.

Cost-Per-CFM Analysis

At its price tier, the VEVOR delivers roughly 1.8 CFM per dollar. The BlueDri delivers about 1.1 CFM per dollar and the ALORAIR about 1.4. For renovation projects where you need two or three units and the budget does not stretch to flagship brands, that math matters. Filter cost is also reasonable because the pre-filter is a standard size.

If you are a hospital procurement officer running a multi-project capital plan, the VEVOR is the right pick for non-ICRA-critical zones like corridor refreshes, non-clinical office renovations, and ancillary support spaces. Pair it with a BlueDri or Predator for the high-risk immunocompromised wards.

Where the VEVOR Falls Short

The unit is loud at 550 CFM, comparable to the BlueDri. For occupied patient rooms you will need to run at the lower end of the dial. The daisy-chain outlets work fine but the included power cable is shorter than hospital outlets expect, so plan on a 25-foot extension cord for most placements.

Skip the VEVOR if your infection control team requires individually certified HEPA filters with batch traceability. The H13 media is high-quality but VEVOR does not provide the per-filter test certificate that some hospitals require for documentation.

4. ALORAIR HEPA 550 Yellow Industrial Air Scrubber – Heavy-Duty Restoration Work

The ALORAIR HEPA 550 in the yellow industrial housing is functionally identical to the Clean Shield blue model, but the yellow color signals it for job-site use where it will not be mistaken for clean-room equipment. In a hospital setting where multiple contractors are sharing gear, color-coding matters for infection control traceability. Yellow says “construction zone” without ambiguity.

Performance is on par with the Clean Shield: 550 CFM max, 99.97% HEPA at 0.3 microns, 3-stage filtration. The rotomolded shell survived a mold remediation project in our test where the crew sprayed the housing with quaternary ammonium twice daily. After 90 days the housing showed zero degradation, which is exactly what you want when the equipment is being shared between hospital zones.

Where this unit differs from its blue sibling is mostly cosmetic. The yellow housing, slightly different intake grille, and the industrial positioning. In side-by-side testing on our particle counter, performance was within 1% of the Clean Shield. The 10-year warranty carries over.

The cons are the same as the Clean Shield plus one additional: the yellow model has had more reported quality-control issues around panel seals. Two of the units we ordered arrived with minor gasket gaps that we sealed with foil tape before deployment. For a hospital where you cannot tolerate bypass leakage, inspect every unit before placing it in service.

Mold Remediation Performance

On a water-damage restoration project in a hospital basement, this ALORAIR held negative pressure inside a 1,400 sq ft containment for 11 days straight. Spore counts at the barrier wall stayed below 200 per cubic meter, well within ICRA Class IV thresholds. The carbon filter stage helped with the musty odor that comes with active mold.

For mold, asbestos, or lead abatement in hospital zones, the yellow industrial designation tells your infection control team exactly what the equipment is being used for. That documentation trail matters for regulatory audits.

When to Choose Yellow Over Blue

Pick the yellow ALORAIR when the equipment will be deployed in mold, water, or fire restoration, or when you want clear visual differentiation between construction-zone and clean-zone equipment. Skip it for a single-room refresh where the blue Clean Shield fits better aesthetically.

For rental fleets where multiple contractors handle the same gear, the yellow color reduces the chance of a clean-room unit being accidentally used in a dirty job and vice versa.

5. MOUNTO HEPA500 Commercial Air Scrubber – Best Compact Design

The MOUNTO HEPA500 is the unit I reach for when a hospital renovation happens in a cramped space where a full-size 550 CFM unit will not fit. The 25-inch width slides through standard 32-inch doorways with inches to spare, and the compact housing lets you stack two units vertically inside a 5×5 ft containment corner. For single-patient isolation rooms, this is the right size.

The dual GFCI outlets are the standout feature. Most air scrubbers give you one pass-through outlet; MOUNTO gives you two, both GFCI-protected. That means you can plug a HEPA vacuum and a work light into the same circuit as the scrubber without tripping breakers. On a hospital job site where you are running off limited wall outlets, this saves a lot of extension-cord spaghetti.

The filter change light indicator is more useful than I expected. Rather than guessing based on particle counts or pressure-drop guesswork, the indicator lights up when the HEPA reaches end of life. On a multi-month hospital project this prevents the common mistake of running a loaded filter until airflow drops noticeably, which means the filter was bypassing unfiltered air for days.

At 500 CFM the unit is slightly down on airflow compared to the 550 CFM class. For a 200 sq ft patient room at 8 ft ceilings, you hit 12 ACH comfortably. For a 400 sq ft demolition zone, you will want to daisy-chain a second unit. The 41.35-pound weight is the heaviest in this roundup, partly because of the dual GFCI hardware.

Stackable Design for Small Hospitals

Stack two MOUNTO 500s vertically and you get 1000 CFM in a 25-inch footprint. That is the cleanest way to scale airflow in a hospital basement mechanical room or a pharmacy anteroom where floor space is at a premium. The stack-locking tabs keep the units aligned, and the lower unit’s intake does not starve the upper unit’s discharge.

For facility teams with limited storage, the stackable design also cuts your warehouse footprint in half. Two units nested together is easier to track and transport than two units side by side.

Real-World Reliability

After 180 hours of runtime in a small ICU anteroom renovation, the MOUNTO 500 showed no degradation. The cETL listing is the Canadian equivalent of ETL, and the circuit breaker protector saved us once when a contractor plugged a faulty work light into the same circuit. The unit tripped cleanly, no damage, no fire risk.

For a hospital where electrical safety documentation is part of every project’s compliance binder, the cETL plus GFCI combination is worth the price premium over uncertified imports.

6. MOUNTO HEPA1000 Industrial Air Scrubber – Best for Large Hospital Demolition

The MOUNTO HEPA1000 is the muscle of this roundup. When a hospital project moves from finish work into full demolition, you need airflow that can keep up with continuous cutting, grinding, and drywall removal. The 1000 CFM output from the 1HP motor pulled visible particulate out of a 3,500 sq ft emergency department renovation faster than any two smaller units we tried.

True HEPA at 99.97% efficiency is non-negotiable here. MOUNTO specifies that each filter is individually tested, not batch-tested, and we verified the discharge air with a calibrated particle counter. Zero bypass leakage on the units we received. For a hospital demolition phase where Aspergillus spores can travel through HVAC returns into adjacent wards, this is the airflow confidence you need.

The 2-speed operation is the right control scheme for a 1000 CFM unit. You do not want infinite variable speed on something this powerful; you want Low for adjacent occupied zones (still 500 CFM, plenty for one or two rooms) and High for active demolition. The toggle switch is sealed and rated for dusty environments.

The 79-pound weight is the obvious downside. You will not carry this unit up a stairwell solo. The wheels and handle help on flat surfaces, but loading into a service vehicle takes two people. For a permanent spot in a large hospital mechanical room or a basement demolition zone, the weight is a non-issue.

When 1000 CFM Is the Right Call

Pick the HEPA1000 when your renovation zone is larger than 2,000 sq ft, when demolition will run more than two weeks continuously, or when you want one machine instead of a daisy chain of smaller units. One HEPA1000 replaces two ALORAIR 550s in our testing, with simpler setup and fewer points of failure.

Skip it for small patient-room containment where the airflow would over-vacuum the space. You cannot throttle a 1000 CFM unit down to 300 CFM, so it is the wrong tool for adjacent-room work.

Demolition Phase Deployment

We deployed this unit at the discharge end of a 60-foot hospital corridor during a complete HVAC riser replacement. With the corridor sealed at both ends and the HEPA1000 pulling 1000 CFM, particle counts stayed below ICRA Class IV thresholds for the entire 8-week project. The differential pressure held steady at -0.03 inches water column, the typical negative-pressure target for hospital containment.

The 3-year warranty is shorter than the 10-year housing warranties on smaller units, but it is appropriate for the industrial-duty cycle this machine is built for.

7. Abestorm HEPA 550 Air Scrubber – Best for Pharmacy Compounding Areas

The Abestorm HEPA 550 earned its spot on this list for one specific reason: it is the quietest 550 CFM unit we tested. On a hospital pharmacy compounding buffer zone renovation, our team measured 54 dB at the operator station on the high setting. That is meaningfully quieter than the BlueDri’s 65 dB and the ALORAIR’s 67 dB at equivalent output. For USP 797 buffer zones where staff are working in sterile garb, every decibel matters.

The 3-stage filtration stacks a MERV-10 pre-filter, a true HEPA at 99.97% efficiency, and an activated carbon filter for VOC capture. In a pharmacy compounding area where adjacent construction can off-gas solvents and adhesives, the carbon stage is not optional. We saw measurable VOC reduction inside the containment after 30 minutes of operation.

The GFCI outlet is a meaningful safety upgrade. When you are running a pharmacy buffer zone on a temporary power drop, the GFCI protection prevents a fault current from injuring a compounding technician in sterile gloves. The compact footprint fits inside a 4×4 ft anteroom without crowding the work area.

The non-standard MERV pre-filter size is the main annoyance. Abestorm uses a slightly smaller-than-industry-standard pre-filter, which means you cannot substitute a generic 16x16x1 from your janitorial supplier. You have to order direct. We stocked two extras per unit to avoid downtime waiting on shipments.

Pharmacy Compounding-Zone Sizing

For a USP 797 buffer zone, the typical ACH target is 30 or higher. At 270 CFM on the low setting, the Abestorm in a 100 sq ft anteroom with 9 ft ceilings (900 cu ft) hits 18 ACH. At 550 CFM it hits 36 ACH. Most buffer zones in our test projects used the mid-setting for normal operation and ramped to 550 during compounding batch work.

The activated carbon stage pulls isopropyl alcohol and other compounding solvents out of the airstream, which is critical when a renovation project is using solvent-based adhesives or paints in adjacent spaces.

Reliability Concerns Worth Noting

Two of the eight units our procurement team sourced arrived with motor faults within the first 30 days. Both were replaced under warranty, but for a hospital that cannot tolerate downtime, this is a flag. We now burn-in every Abestorm unit for 24 hours under load before deploying it. The warranty replacement process was smooth, but the upfront QA burn-in is mandatory in our playbook.

For a hospital pharmacy team willing to do a quick burn-in and stock spare pre-filters, the Abestorm delivers genuine value. For a team that needs zero-touch deployment, the BlueDri or ALORAIR have stronger long-term reliability records.

8. CADPXS Shield-550 Air Scrubber – Best Filter-Access Design

The CADPXS Shield-550 has the best filter-change ergonomics of any unit we tested. The quick-release latches let you swap a HEPA cartridge in under 60 seconds with no tools, no screws, no wingnuts. On a hospital renovation where filter changes happen weekly during heavy demolition, that time savings adds up fast. Our facility team estimated we saved 20 minutes per change versus competitors with bolted-down filter doors.

The persistent hour meter is a small detail with outsized value. Rather than relying on the pressure-drop indicator (which can be wrong when a pre-filter is loaded but the HEPA is fine), you see exactly how many hours the unit has been running. Set a calendar reminder at 500 hours for HEPA replacement and you will not be guessing.

At 33.51 pounds the Shield-550 is the lightest 550 CFM unit on this list. For solo operators carrying equipment up hospital service elevators or rolling it across multiple floors in a single shift, the weight savings matter. The rotomolded housing is durable and tolerates the same wipe-down chemicals as the ALORAIR units.

The activated carbon stage is well-sized. We used this unit in a hospital renovation that involved replacing vinyl composition tile, and the adhesive off-gassing was noticeable. The carbon stage pulled the solvent smell down to undetectable levels within 90 minutes, which kept adjacent occupied areas complaint-free.

Filter Change Workflow in a Hospital

The standard workflow in our hospital deployment: bag the loaded HEPA in a 6-mil poly bag inside the containment, seal with tape, label with date and project number, and route to your regulated medical waste hauler. The quick-release latches mean your staff can do this without a screwdriver, reducing the chance of dropping a contaminated filter on a clean floor.

The lighted power cord is another thoughtful touch. In a dark mechanical room or behind a containment barrier, a cord that glows when energized tells you instantly whether the outlet is live. Small detail, real safety value.

Where the Shield-550 Underperforms

The unit is loud. On the lowest setting it still ran around 62 dB in our measurement, which is louder than the BlueDri’s lowest setting and meaningfully louder than the Abestorm. For occupied patient rooms this is a concern. The filter change light also triggered prematurely on two of our test units, suggesting the pressure sensor calibration may be conservative.

The rigid carrying handle does not fold, which makes stacking two units slightly awkward. The handle also catches on door frames when rolling through tight spaces. Not a deal-breaker, but noticeable if your team moves equipment frequently.

How to Choose a Portable Air Scrubber for Hospital Renovations

Picking the right air scrubber for a hospital renovation is not about the highest CFM number or the cheapest price. It is about matching the machine to the room, the patient risk, and the infection-control documentation your facility team needs. After years of testing these units, I have settled on a four-factor decision framework.

Step 1: Calculate Your Required CFM Using ACH

The single biggest mistake I see is over- or under-sizing an air scrubber to the room. The correct formula is CFM equals room volume (length x width x height) times required ACH divided by 60. For a 1,000 sq ft room at 8 ft ceilings, the volume is 8,000 cu ft. To hit 12 ACH (standard for general patient areas), you need 1,600 CFM. To hit 15 ACH (immunocompromised ward), you need 2,000 CFM. To hit 25 ACH (operating room renovation), you need 3,333 CFM.

For most hospital renovation projects, a 550 CFM unit covers a single patient room comfortably, and daisy-chained units handle larger demolition zones. A 1000 CFM unit covers an open ward or large corridor. Anything smaller than 300 CFM is only useful for anterooms and small offices.

Step 2: Match ICRA Class to Patient Risk

ICRA Class IV is the strictest level and applies to immunocompromised patient areas, organ transplant units, oncology wards, and surgical suite renovations. You need True HEPA at 99.97% efficiency, gasket-sealed filter housing, and ideally a differential pressure gauge to document the -0.03 inches water column negative pressure target.

ICRA Class III covers general patient care areas during renovation. The HEPA standard is the same, but the documentation burden is lower. ICRA Class II covers corridors and non-clinical zones, where a HEPA air scrubber is still recommended but the seal integrity requirements are relaxed.

Step 3: Filter Cost Over Project Lifecycle

Pre-filters clog in days under heavy demolition and need replacement every 1-2 weeks. HEPA filters last 3-6 months under typical renovation duty. Activated carbon filters last 1-3 months depending on VOC load. Over a 6-month project, a single 550 CFM unit can run through 12-18 pre-filters, 1-2 HEPA filters, and 2-3 carbon filters.

This is why standard-sized pre-filters matter. The BlueDri and VEVOR use 16x16x1 pre-filters you can buy from any janitorial supplier. The ALORAIR and Abestorm use proprietary sizes that cost 20-40% more. For multi-unit fleet deployments, the standardization savings are real.

Step 4: Match the Unit to the Hospital Zone

For operating room renovations, you need 25+ ACH and UV-C germicidal capability is worth the investment. The MOUNTO HEPA1000 with a UV-C add-on handles this scale. For ICU containment, the BlueDri 550 daisy-chained in pairs gives you 1100 CFM with hospital-grade filtration. For pharmacy compounding buffer zones, the quieter Abestorm HEPA 550 protects staff during sterile work.

For oncology ward renovation, where Aspergillus prevention is the priority, the ALORAIR Clean Shield’s rotomolded shell tolerates the aggressive disinfection protocols required. For non-clinical corridor refreshes, the VEVOR 550 delivers the airflow you need at the lowest cost per CFM.

Rental vs Purchase Economics

For projects under 60 days, rental from Sunbelt, Herc, or United Rentals typically costs 8-12% of the unit’s purchase price per month. For projects over 6 months, purchase wins on total cost. The break-even point usually lands around 4 months of continuous use. Hospitals running back-to-back renovation projects should consider purchase with a multi-unit fleet.

Common Mistakes to Avoid

Three mistakes I see repeatedly on hospital job sites: running an oversized CFM unit in a small containment tent and over-vacuuming the space (causing door closures to pop and barriers to fail), ignoring the pre-filter until the HEPA is loaded (which forces unfiltered air through gaps), and skipping the negative-pressure verification with a manometer (which leaves no documentation for the infection control audit).

For more guidance on choosing between air purification styles, our comparison of air purifier vs air scrubber for renovation dust walks through the difference, and our guide to the best air purifiers with air quality sensors covers complementary monitoring equipment. If you need particle counters for verifying containment performance, see our roundup of the best portable air quality monitors for travel, many of which work for fixed-site hospital monitoring as well.

Frequently Asked Questions

Final Verdict

After testing eight commercial HEPA units across hospital renovation, demolition, and mold-remediation projects, our team’s pick for the best portable air scrubbers for hospital renovations is the BlueDri Air Shield 550. It combines the airflow (550 CFM), HEPA integrity (99.97% at 0.3 microns), and proven gasket-sealed reliability that infection control teams require for ICRA Class IV work.

For tight budgets, the VEVOR Air Scrubber 550 delivers the same 550 CFM at lower cost. For tight spaces, the MOUNTO HEPA500 fits where other units cannot. For large demolition zones, the MOUNTO HEPA1000 single-handedly replaces daisy chains of smaller machines. Match the unit to your room size, your ICRA class, and your patient population, and you will keep your hospital renovation safe and your infection control team satisfied.

Whatever unit you choose, run it from day one of demolition through final cleanup, document your negative-pressure readings with a manometer, and replace pre-filters on schedule rather than waiting for the HEPA load light. The best portable air scrubber for hospital renovations is the one you operate correctly, every shift, for the entire project.