# Aranet4 Home: specs and price

**Price (US):** $189 at aranet.com (Current street price; original MSRP was ~$249), as of 2026-06-27. A sourced, dated price of record — other retailers (incl. Amazon) may be lower. Among the 18 air quality monitors we track it is #10 cheapest of 18; category median $169.
**Brand:** Aranet
**Released:** 2019
**Price tracked since:** June 2026

## Specifications

| Spec | Value |
| --- | --- |
| Price (US) | $189 |
| Brand | Aranet |
| Released | 2019 |
| Pm25 sensor | No |
| CO₂ sensor | Yes |
| Voc sensor | No |
| Radon sensor | No |
| Display screen | E-ink display (numeric CO2 ppm readout) |
| App connectivity | Yes |
| Power | 2 AA batteries (up to 4-7 yr depending on battery type) |

## Where it stands

At $189, the Aranet4 Home is #9 cheapest of the 17 air quality monitors we track, where the median is $189. On the spec sheet, its release year of 2019 is below the median of the 12.

## What reviewers say

Only one whitelisted tester covers the Aranet4: NYT Wirecutter, which reports hands-on use over years and praises its accuracy and reliability, but flags that it only tracks CO2. In its October 2025 update Wirecutter places the Aranet4 in the 'competition' section rather than as a pick, favoring the multi-pollutant AirGradient One (which uses the same NDIR CO2 sensor plus more). No lab-measured Aranet4 figures were published; the surviving quotes come from Wirecutter's competition write-up. (Based on 1 review, 2025-10-01.)

Praised: Accurate, reliable CO2 readings confirmed over years of hands-on use.
Flagged: Measures only CO2, unlike multi-pollutant rivals.
Disagreement: Single whitelisted source, so no cross-source comparison is possible. Wirecutter still calls the Aranet4 accurate and reliable but keeps its overall top pick as a multi-pollutant monitor (AirGradient One) because the Aranet4 tracks CO2 alone.
Sources: Wirecutter (2025-10-01, nytimes.com)

## Frequently asked questions

**What do reviewers say about the Aranet4 Home?**

Only one whitelisted tester covers the Aranet4: NYT Wirecutter, which reports hands-on use over years and praises its accuracy and reliability, but flags that it only tracks CO2. In its October 2025 update Wirecutter places the Aranet4 in the 'competition' section rather than as a pick, favoring the multi-pollutant AirGradient One (which uses the same NDIR CO2 sensor plus more). No lab-measured Aranet4 figures were published; the surviving quotes come from Wirecutter's competition write-up. Praised: Accurate, reliable CO2 readings confirmed over years of hands-on use. Flagged: Measures only CO2, unlike multi-pollutant rivals. (From 1 tester review.)

**How much does the Aranet4 Home cost?**

The Aranet4 Home has a US price of $189 (Current street price; original MSRP was ~$249), as of 2026-06-20.

**How does the Aranet4 Home compare on price?**

At $189, the Aranet4 Home is #9 cheapest of the 17 air quality monitors we track, where the median is $189.

**When was the Aranet4 Home released?**

The Aranet4 Home was released 2019.

**What are the Aranet4 Home's key specs?**

Aranet4 Home (Aranet): pm25 sensor No, co2 sensor Yes, voc sensor No, radon sensor No, display screen E-ink display (numeric CO2 ppm readout). Full sourced spec sheet verified 2026-06-20.

Source: https://aranet.com/en/home/products/aranet4-home (aranet.com, accessed 2026-06-20)
Corroboration: https://breathesafeair.com/aranet4-home-review/ (accessed 2026-06-20)
Canonical: https://frontdeskreview.com/product/air-quality-monitors/aranet4-home/
Cite: Per The Front Desk Review, the Aranet4 Home price of record was $189 as of 2026-06-20 — https://frontdeskreview.com/product/air-quality-monitors/aranet4-home/
License: CC BY 4.0. Price history: https://frontdeskreview.com/data/price-history.jsonl