Before testing this, I never realized how much choosing the right air purifier could impact my daily breathing. The InvisiClean Claro IC-4524 stood out immediately—its ultra-quiet operation and large coverage made a noticeable difference in noisy, busy rooms. Its H13 medical-grade filter captures 99.989% of 0.1-micron particles, which really clears out dust, pollen, pet dander, and even some viruses. Plus, it’s energy-efficient, using up to 85% less power, making it perfect for long-term use.
Compared to others, the Westinghouse 1701 offers great tech—like NCCO technology that breaks down pollutants rather than just trapping them. However, its smaller 300 sq. ft. area makes it less adaptable for large rooms. The InvisiClean’s ability to cover over 1,650 sq. ft. and its proven viral filtration gives it a clear edge in performance and value. I’ve tested both, and the standout feature is the InvisiClean’s combination of power, noise reduction, and filtration quality. Trust me, it’s a game-changer for creating genuinely clean, safe air in your home or office.
Top Recommendation: InvisiClean Claro IC-4524 Air Purifier for Large Rooms
Why We Recommend It: This model exceeds 99.97% filtration with an H13 filter, captures 99.989% of tiny particles, and covers more than 1,650 sq. ft.—ideal for large spaces. Its ultra-quiet operation, energy efficiency, and proven virus and mold filtration outweigh the smaller coverage and slightly noisier operation of the Westinghouse. It’s the best mix of power, quality, and value based on thorough comparison.
Best medical grade air purifier 110 161: Our Top 2 Picks
- InvisiClean Claro IC-4524 Air Purifier for Large Rooms – Best for Large Rooms
- Westinghouse 1701 True HEPA Air Purifier – Medical-Grade – Best Medical Grade Air Purifier
InvisiClean Claro IC-4524 Air Purifier for Large Rooms
- ✓ Ultra quiet operation
- ✓ Energy efficient
- ✓ Medical-grade filtration
- ✕ Pricey for some budgets
- ✕ Bulky design
| Coverage Area | 1,651 sq ft (1 air change per hour), 344 sq ft (4.8 air changes per hour) |
| Filtration Standard | HEPA H13 filter capturing 99.989% of 0.1 micron particles |
| CADR (Clean Air Delivery Rate) | 247 CFM / 420 cm³/h |
| Air Quality Monitoring | Real-time PM2.5, temperature, and humidity sensors with auto mode |
| UV Light and Ion Functionality | Optional UV sterilization and ionizer for enhanced air purification |
| Energy Consumption | Less than 50 cents per month on lowest setting, with up to 85% less electricity usage compared to similar units |
There’s this misconception that medical-grade air purifiers are loud monsters that make breathing feel like a chore. Honestly, I was surprised to find how quiet the InvisiClean Claro IC-4524 is during operation.
I expected a constant hum, but it whispers in the background, even on higher settings.
The design feels premium—solid build with a sleek, modern look that fits well in any large room or office. Handling it, I noticed how smooth the filter slide-in mechanism is, making replacement less of a hassle.
The large filter area and optimized air channel really make a difference in airflow, and you can tell it’s working hard without hearing a thing.
Using it in a space around 1,600 sq ft, I saw the air quality improve rapidly. The real-time PM2.5 sensor is handy, showing me clear changes.
The auto mode kicks in as soon as it detects higher pollutant levels, adjusting speeds seamlessly. Plus, the UV light and ion options add an extra layer of air cleaning, which I appreciated during flu season.
The energy efficiency is impressive—more than double the airflow with 85% less power. I kept it on the lowest setting, and it cost less than 50 cents a month in electricity.
It’s perfect for long-term use without worrying about sky-high bills or ozone emissions. The filter’s ability to capture 99.989% of tiny particles and kill bacteria is reassuring, especially if you have allergies or respiratory issues.
Overall, this purifier combines power, quiet operation, and smart features in a way that feels like a real upgrade for your indoor air quality. It’s reliable, efficient, and designed for large spaces—exactly what you need for peace of mind at home or in a professional setting.
Westinghouse 1701 True HEPA Air Purifier – Medical-Grade
- ✓ Quiet operation
- ✓ Excellent allergen removal
- ✓ Effective odor neutralization
- ✕ Limited coverage area
- ✕ Slightly bulky design
| Filtration Stages | Pre-filter, True H13 HEPA filter, NCCO technology |
| Coverage Area | Up to 300 sq. ft. |
| Noise Level | 37 dB at operation |
| Certifications | [‘CARB’, ‘cETL’, ‘UL867 ozone standard’] |
| Technology | Patented NCCO technology that breaks down pollutants |
| Suitable For | Bedrooms, workspaces, spaces with pet allergens and smoke odors |
It’s late evening, and I’ve just finished cleaning the living room after hosting a small dinner party. As I settle onto the couch, I notice how much fresher the air feels, thanks to the Westinghouse 1701 True HEPA Air Purifier sitting quietly nearby.
I’ve set it on the corner table, and it almost disappears with its sleek, compact design. With a gentle hum at just 37dB, it’s barely audible, even while I’m reading.
The four-stage filtration system kicks in smoothly, and I can see the indicator showing it’s actively removing pet hair, dust, and airborne allergens.
The True HEPA filter does a solid job of capturing pet dander and pollen, which is a relief for allergy-prone family members. I also tested its odor elimination by cooking fish, and within minutes, the smell was noticeably reduced.
NCCO technology is impressive — it actively breaks down odors and harmful particles rather than just trapping them.
Its size makes it perfect for my bedroom or workspace, covering up to 300 sq. ft.
without any issue. I appreciate that it’s certified safe, with both CARB and cETL approvals, giving me peace of mind.
Overall, it’s a quiet, effective, and affordable way to improve indoor air quality on a daily basis.