Fine Homebuilding: Automated Indoor Air Quality sensors

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Written By Jim J Neal

Broan-NuTone’s Overture system optimizes indoor air.

Homeowners are increasingly responsible for maintaining indoor air quality as homes become more energy efficient. The air can be polluted by daily activities such as breathing, cooking, cleaning, painting, and many other activities. Broan-NuTone’s cloud-connected Overture monitors the air quality in your home and turns on your home ventilation system if it is low. It can interface with Broan’s supply-only fresh and balanced ventilation systems as well as their balanced ventilation systems.

The sensors detect pollutants that can cause poor indoor air quality such as TVOCs, humidity, temperature and CO2 levels, as well as PM2.5.

The system from Overture includes three components: a room sensor and a wall control. A smart plug is also included. The room sensor measures particulate matter less than 2.5 microns in size (PM2.5), which is tiny particles that can travel deep into your lungs and cause serious health issues. The room sensor can also measure total volatile organic compounds, humidity, temperature and CO2. The wall control can be connected directly to ventilation fans or range hoods in rooms like the laundry room, kitchen, and bathroom until the air quality improves. The smart plug can be used to control whole-house ventilation using an ERV/HRV. It is powered by a standard socket and has ports that allow you to connect low-voltage control wiring.

Overture is controlled by a smartphone app. You can set up individual features and get a complete overview of your home’s indoor air quality. It provides sensor-by-sensor stats and historical data about the air quality in your home. It can also be controlled via Amazon Alexa or Google Home.

The price of the wall control is $319 and the room sensor $425. The smart plug costs $119. You will need several room sensors to monitor your house’s air quality.

Images courtesy of the manufacturer

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