AirhubA800

Air purifier

DOE certified smoke CADR

446cfmDOE test

Dust 431 · PM2.5 439 cfm

Effective room size 691 sq ft (DOE)

DOE data as of 2026-11-03DOE record

Does it fit your room? How DOE sizes rooms

Airhub A800: certified to DOE with smoke CADR 446 cfm, dust 431, PM2.5 439, effective room size 691 sq ft. DOE data as of 2026-11-03.

Every model number on this record

Filed with DOE under basic model A800. A listing with any of these numbers is this unit.

Every model number filed under basic model A800, DOE data as of 2026-11-03
Model numberFiled by
A800 (DOE basic model)Airhub

How much does the Airhub A800 cost to run?

About $8.28 a month, or $99.34 a year, on DOE's annual energy figure of 547 kWh.

Electricity at 18.16¢/kWh, the US residential average for August 2026 (EIA Electric Power Monthly, table 5.6.A). Each 1¢/kWh you pay above or below 18.16¢ moves the yearly figure by $5.47.

How does the Airhub A800 rank in its DOE class?

In its DOE class (air purifiers, PM2.5 CADR 150+ cfm), 63 models have a matched Amazon listing. Its CADR/W of 4.7 is 35th of the 63, and 6% below their median of 5.

DOE's annual energy figure for it is 547 kWh, against their median of 266 kWh: $51.03 a year more at the US average price.

Air purifiers for 500 sq ft (10 with a listing)

Among 140 air purifiers, PM2.5 CADR 150+ cfm

Smoke CADR (cfm)446

Higher than 131 of 140.

143591 cfm

Efficiency (CADR/W)4.7

Higher than 50 of 140. 2 others share 4.7.

313.5

Three to compare with

From models with a matched listing.

  • Within 20 cfm of its size, highest CADR/W

    Blueair 3613111100435 smoke CADR

    Room size 674 sq ft, CADR/W 9.1: about 48% less power for the same clean air.

  • Nearest size in its class with a higher CADR/W

    JAFANDA JF888423 smoke CADR

    Room size 656 sq ft, CADR/W 4.8.

  • Nearest bigger unit

    JAFANDA JF999548 smoke CADR

    Room size 849 sq ft, CADR/W 4.2.

DOE record

Air cleaning

Smoke CADR
446 cfm
Dust CADR
431 cfm
PM2.5 CADR
439 cfm
Effective room size
691 sq ft
Efficiency (IEF)
4.7 cfm/W
Energy use
547 kWh/year

Record

DOE basic model
A800
DOE class
150 <= PM2.5 Clean Air Delivery Rate
Brands on the filings
1
In DOE's list since
2026-11-02first snapshot we hold

Questions

What room size is it for?
DOE lists an effective room size of 691 sq ft, based on its smoke CADR of 446 cfm: CADR and room size.
How much does the Airhub A800 cost to run for a year?
About $99.34: DOE's annual figure of 547 kWh at 18.16¢/kWh, the US residential average for August 2026 (EIA).