7 of the 13 features in our table differ between the ENS160 and the CCS811.
TVOC · eCO₂ (estimated) · air-quality index · I²C/SPI · 1.71 to 1.98 V
ScioSense’s metal-oxide sensor: TVOC, eCO₂ and an air-quality index (1 to 5) computed on the chip.
Watch out: 3 minutes of warm-up, and 1 hour the first time. eCO₂ is estimated, not measured. The chip runs at 1.8 V, so use a board with a regulator.
TVOC · eCO₂ (estimated) · I²C
The older metal-oxide sensor with eCO₂ and TVOC, still in many tutorials.
Watch out: Discontinued; the ENS160 replaces it. Its eCO₂ is estimated from VOCs.
| Feature | ENS160 | CCS811 |
|---|---|---|
| Measures | TVOC · eCO₂ (estimated) · air-quality index | TVOC · eCO₂ (estimated) |
| Interface | I²C, SPI | I²C |
| I²C address | 0x52, 0x53 (set with a pin) | 0x5A, 0x5B (set with a pin) |
| Supply | 1.71 to 1.98 V | – |
| Warm-up | 3 min (1 h the first time) | – |
| ESPHome | ens160_i2c / ens160_spi | ccs811 |
| Status | Available | Discontinued |
Same on both: technology.
In our table the CCS811 has nothing the ENS160 lacks, and it is discontinued: choose it only for price or a board you already have.
Open the sensor comparison →Tick what your project needs and see which sensor fits best.
ENS160: I²C address, wiring and pull-ups →
CCS811: I²C address, wiring and pull-ups →
The ENS160 offers SPI as well as I²C and a part still in production; in our table the CCS811 has no advantage of its own apart from price, and it is discontinued.
Both give TVOC and eCO₂ (estimated). Only on the ENS160: air-quality index.
Often yes: both use I²C. Change the driver or, in ESPHome, the component (ens160_i2c → ccs811). The I²C address changes too (0x52/0x53 → 0x5A/0x5B).
SCD40 vs MH-Z19C SCD40 vs SCD30 SCD40 vs SCD41 SGP30 vs SGP40 PMS5003 vs SDS011
Figures from the makers’ datasheets and product pages and the ESPHome documentation, checked in November 2026.