Airthings Wave Plus Review: Comprehensive Look at Home Air Quality Monitoring 2026

The Airthings Wave Plus is a compact, wall-mountable air quality monitor designed to give real-time insights into indoor air conditions. It tracks essential pollutants and environmental factors to help households manage health, comfort, and energy use. This review explains how the Wave Plus works, what it measures, and how it compares to other Airthings models. It also covers setup, data accessibility, battery life, and practical considerations for everyday use in American homes.

What It Measures

The Wave Plus offers a six-sensor suite focused on key indoor air quality metrics. It monitors radon levels, a critical long-term cancer risk factor in U.S. homes, in addition to total VOCs (TVOCs) and CO2 concentration. Relative humidity and temperature are captured to contextualize other readings, while ambient air pressure provides insight into weather-related changes indoors. Together, these measurements form a comprehensive snapshot of indoor air quality and potential exposure risks.

Radon

Radon is a radioactive gas that can accumulate indoors. The Wave Plus provides continuous radon readings and hourly averages, helping homeowners identify persistent exposure risks and assess mitigation needs. While not a substitute for professional testing in high-risk areas, it offers practical, ongoing monitoring that complements long-term radon strategies.

Air Quality Gases and Particles

TVOCs indicate a broad range of volatile compounds from cleaning products, paints, furnishings, and outdoor infiltration. CO2 measurements track indoor ventilation effectiveness and occupant load, while humidity and temperature readings help interpret fluctuations in comfort and sensor sensitivity. Although the Wave Plus does not report PM2.5 mass concentration, the CO2 and VOC data still provide meaningful indicators of air quality dynamics in typical homes.

Accuracy And Data Quality

Airthings designs its sensors with a focus on reliability for home use. The Wave Plus uses electrochemical and solid-state sensors calibrated to deliver consistent trends over time. Users should expect some natural drift, especially with VOC sensors, and periodic recalibration or smartphone app guidance can help maintain accuracy. For radon, the device offers hourly averages and daily summaries that reflect real-world exposure more promptly than annual tests.

Key takeaways on data quality include:

• Longitudinal trends are reliable for identifying seasonal or lifestyle-driven changes.
• Cross-sensor context (e.g., high CO2 with rising VOCs) strengthens interpretation of air events.
• Units and thresholds align with common U.S. guidelines, aiding comprehension for homeowners.

Usability And Setup

Setup emphasizes simplicity. The Wave Plus can be mounted on a wall or placed on a flat surface, with guidance provided in the Airthings app. Pairing via Bluetooth enables quick initial setup, and optional Airthings Hub (sold separately) adds Wi-Fi connectivity for remote monitoring and cloud access. Battery life varies with Wi-Fi usage and sensor activity, but typical performance suits long-term home monitoring without frequent maintenance.

Placement matters for accurate readings. Position the device away from direct sunlight, drafts, or nearby heat sources to avoid skewed temperature and humidity readings. For radon and gas sensors, ensure adequate air exchange around the unit to obtain representative measurements over time.

App And Connectivity

The Airthings app provides real-time dashboards, historical graphs, and personalized insights. It aggregates data from Wave Plus, displays hourly, daily, weekly, and monthly trends, and supports alerts when readings exceed user-defined thresholds. Optional syncing with the Airthings Hub enables remote alerts via mobile push notifications, email, or in-app messages, which is especially useful for unattended homes or rental properties.

Users can compare readings across multiple devices within the same kitchen, living room, or nursery, helping identify problem zones. The interface translates technical measurements into actionable guidance, such as improving ventilation after elevated CO2 or reducing VOC exposure during remodeling projects.

Battery Life And Power

The Wave Plus is designed for low maintenance. It uses replaceable batteries in most configurations, with typical lifespans spanning several months to a year depending on usage and Wi-Fi activity. If continual connectivity is enabled via the Airthings Hub, energy use is higher but data accessibility improves. When battery replacement is needed, the app can provide status updates and reminders.

For users who prefer wired power, check model specifications for regional availability. Battery management is a practical consideration for urban apartments and homes with limited access to frequent replacements.

Pros And Cons

• Pros: Comprehensive six-sensor suite focused on key indoor air factors; real-time data with historical trends; actionable insights and alerts; optional Wi-Fi connectivity via hub; intuitive app interface; compact form factor suitable for various rooms.
• Cons: No PM2.5 mass concentration reading; VOC sensor drift over time may require calibration or replacement; dependent on hub for remote access, which adds an extra purchase for full functionality; initial setup and placement can influence accuracy if not optimized.

Practical Considerations For U.S. Homes

Indoor air quality varies by geography, housing age, and occupant behavior. The Wave Plus is particularly beneficial in regions with known radon concerns, or in homes undergoing renovation where VOCs may spike. It complements professional radon tests by offering ongoing tracking rather than a one-off measurement. The device’s CO2 and humidity data support better ventilation strategies, aligning with energy-efficient upgrades and healthy living standards.

When evaluating whether to add the Wave Plus to a household, consider whether remote monitoring is a priority. For landlords or multi-unit properties, the ability to monitor multiple devices and receive alerts remotely can save time and improve occupant safety. Pairing with additional Airthings devices allows for a broader map of indoor air quality across a residence or building.

Bottom Line: Is The Airthings Wave Plus Right For You?

In the landscape of home air quality monitoring, the Airthings Wave Plus offers a balanced mix of essential measurements, user-friendly software, and practical alerts. It is well-suited for homeowners who want continuous radon tracking, a robust VOC/CO2 profile, and straightforward insights to guide ventilation and maintenance decisions. While it does not measure PM2.5, its comprehensive radon and gas sensing, combined with an intuitive app, makes it a solid choice for most American households seeking actionable indoor air quality data.