BOSCHAir 4000

Air purifier

DOE certified smoke CADR

156cfmDOE test

Dust 171 · PM2.5 163 cfm

Effective room size 241 sq ft (DOE)

DOE data as of 2026-11-03DOE record

Does it fit your room? How DOE sizes rooms

BOSCH Air 4000: certified to DOE with smoke CADR 156 cfm, dust 171, PM2.5 163, effective room size 241 sq ft. DOE data as of 2026-11-03.

Every model number on this record

Filed with DOE under basic model Air 4000. A listing with any of these numbers is this unit.

Every model number filed under basic model Air 4000, DOE data as of 2026-11-03
Model numberFiled by
Air 4000 (DOE basic model)–
NABOSCH

How much does the BOSCH Air 4000 cost to run?

About $1.88 a month, or $22.52 a year, on DOE's annual energy figure of 124 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 $1.24.

How does the BOSCH Air 4000 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 7.7 is 7th of the 63, and 54% above their median of 5.

DOE's annual energy figure for it is 124 kWh, against their median of 266 kWh: $25.79 a year less at the US average price.

Air purifiers for 200 sq ft (80 with a listing)

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

Smoke CADR (cfm)156

Higher than 14 of 140.

143591 cfm

Efficiency (CADR/W)7.7

Higher than 125 of 140. 1 other shares 7.7.

313.5

Three to compare with

From models with a matched listing.

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

    Blueair 4512311000161 smoke CADR

    Room size 250 sq ft, CADR/W 8.6: about 10% less power for the same clean air.

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

    DREAME CVF20B224 smoke CADR

    Room size 347 sq ft, CADR/W 8.8: about 13% less power for the same clean air.

  • Nearest bigger unit

    DREAME CVF16A186 smoke CADR

    Room size 288 sq ft, CADR/W 5.3.

DOE record

Air cleaning

Smoke CADR
156 cfm
Dust CADR
171 cfm
PM2.5 CADR
163 cfm
Effective room size
241 sq ft
Efficiency (IEF)
7.7 cfm/W
Energy use
124 kWh/year

Record

DOE basic model
Air 4000
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
UPC (ENERGY STAR record)
052575090023
ENERGY STAR record
Air 4000certified 2024-04-12

Questions

What room size is it for?
DOE lists an effective room size of 241 sq ft, based on its smoke CADR of 156 cfm: CADR and room size.
How much does the BOSCH Air 4000 cost to run for a year?
About $22.52: DOE's annual figure of 124 kWh at 18.16¢/kWh, the US residential average for August 2026 (EIA).