Smart Air Blast

Name: Smart Air Blast
Brand: Smart
SKU: Smart Air Blast - MKII (formerly sold as Smart Health Blast)
Price: 499600 USD
Availability: InStock

Smart Air Blast review covering its HEPA filtration, large-room performance, key features, airflow, pros, cons, and what to know before buying.

Coverage

4,500 sq ft filtered in 30 min; 2,250 sq ft filtered every 15 min (per official manufacturer ACH-based rating — airflow exceeds standard 450 CFM CADR test protocol, so manufacturer recommends ACH over CADR for sizing)

HEPA Grade

True HEPA H13 (99.97% capture)

Noise

29-43 dB(A) (Low-Mid-High)

Power

39 W (Low) - 76 W (Med) - 140 W (High), per official SmarterHEPA spec sheet

Warranty

Not explicitly confirmed (Walmart listing notes 'Has written warranty: No') - recommend confirming directly with Smart Air/Smarter HEPA

App Control

$499—$600 USD (approx.)

Key Features

All-metal commercial-grade constructionoversized True H13 HEPA filter (opens to ~22 m2 of HEPA media)washable pre-filteroptional Activated Carbon filter add-on for VOCs/odors/formaldehydedesigned for continuous 24/7 operationno ionizer/UV/ozone

Expert Analysis

Full Review

The Smart Air Blast (Blast Mk II) is a high-capacity HEPA air purifier built for large indoor spaces, using an H13 True HEPA filter with an optional activated carbon filter available for buyers who also want extra odor and VOC control. Smart Air rates the Blast Mk II for rooms up to approximately 130 m² (about 1,400 sq ft), with three fan speeds delivering a CADR of 450, 680, and 950 m³/h. Its straightforward, high-airflow design prioritizes fast air turnover in living rooms, open-plan layouts, and other larger areas over compact size or smart connectivity, making it a practical pick for buyers who specifically need strong air-cleaning capacity for a bigger room.

Quick Verdict

Pros & Cons

Pros5 points

Very high rated airflow (up to 1,200 CFM) and large-area treatment claim (4,500 sq ft in 30 minutes) suited to commercial/institutional spaces
Oversized H13 True HEPA filter media (150 sq ft) means longer intervals between filter changes for high-traffic environments
All-metal, wheeled construction built for continuous 24/7 institutional use (schools, clinics, gyms)
Optional activated carbon add-on specifically targets VOCs/formaldehyde beyond what HEPA alone captures
CARB, UL and CSA certified

Cons5 points

Premium price (~$1,094-1,169) — by far the most expensive HEPA unit in this review, reflecting its commercial-class scale
At 69 lb, this is not a portable or easily-repositioned home appliance
No PM sensor, Auto Mode, Wi-Fi, or app control despite the high price
Written warranty terms were not clearly confirmed in available sources at time of research — verify directly with Smart Air/SmarterHEPA before purchase
High-speed power draw (up to 140W) means meaningfully higher running costs than residential-class units if operated continuously on High

5 pros50% positive overall5 cons

Technical Data

Full Specifications

Specification	Value
Model Number	Smart Air Blast - MKII (formerly sold as Smart Health Blast)
Voltage	Not explicitly published in available sources for this search pass (standard commercial AC unit)
AC/DC	AC (Mains Powered)
Weight	69 lb (per official SmarterHEPA/Smart Air spec sheet)
Height	48.4 in (123 cm)
Width	22.6 in (57.4 cm) (Depth: 13 in / 33 cm)
Warranty	Not explicitly confirmed (Walmart listing notes 'Has written warranty: No') - recommend confirming directly with Smart Air/Smarter HEPA
App/Mobile Control	❌ No
Timer	Not explicitly published in available sources for this search pass
Display Type	Not explicitly published (simple speed-control interface, no digital display found)
Fan Speeds	3
Room Coverage	4,500 sq ft filtered in 30 min; 2,250 sq ft filtered every 15 min (per official manufacturer ACH-based rating — airflow exceeds standard 450 CFM CADR test protocol, so manufacturer recommends ACH over CADR for sizing)
HEPA Grade	True HEPA H13 (99.97% capture)
Filter Type	Oversized True H13 HEPA filter + washable pre-filter + optional Activated Carbon filter (VOC add-on)
Air Changes/Hour	Not explicitly published as a standalone ACH figure
Noise Level	29-43 dB(A) (Low-Mid-High)
Energy Consumption	39 W (Low) - 76 W (Med) - 140 W (High), per official SmarterHEPA spec sheet
Annual Running Cost	Not calculable without a confirmed wattage figure
Auto Mode	❌ No
Best For	Large commercial and residential spaces - schools, hospitals, gyms, offices, clinics, large homes
Features	All-metal commercial-grade construction, oversized True H13 HEPA filter (opens to ~22 m2 of HEPA media), washable pre-filter, optional Activated Carbon filter add-on for VOCs/odors/formaldehyde, designed for continuous 24/7 operation, no ionizer/UV/ozone

Common Questions

Frequently Asked Questions

What is the smart air blast designed for?

The Smart Air Blast is a high-capacity purifier designed for large indoor spaces. Smart Air lists the Blast Mk II for rooms up to approximately 130 m², with a maximum CADR of 950 m³/h.

How does the smart air blast air purifier filter indoor air?

It uses an H13 HEPA filter to capture airborne particles. An activated carbon filter is also available for users who want additional filtration for odors and certain gaseous pollutants.

What makes this purifier suitable for large rooms?

Its main advantage is high airflow and air-delivery capacity. The Blast Mk II provides three fan speeds with CADR figures of 450, 680, and 950 m³/h, allowing it to circulate filtered air effectively in larger spaces.

How often does the HEPA filter need to be replaced?

Filter life depends on operating hours and indoor air conditions. Smart Air's published specifications vary by market, so users should follow the filter-life guidance supplied with their specific unit rather than relying on a single universal replacement interval.

Is the Smart Air Blast a good choice for every home?

It is primarily suited to large rooms where high air-cleaning capacity is useful. Its large physical size and high-capacity design may be unnecessary for smaller spaces, so room size and placement should be considered before purchase.