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From Air Data to Air Control.

Healthy Air, Automatically.

Talk with us about a project Request a free Room Sensor

You designed and built a great home.

You selected the right envelope, ventilation, and IAQ equipment to make it perform.

Overture^® measures each room, runs the right equipment when the numbers call for it, and keeps a record the homeowner can see.

Overture helps you deliver on the promise you designed into the home and makes that performance visible to the homeowner.

PROMISE

PERFORMANCE

PROOF

Four Steps, Then It Runs Itself

Set it once. The system does the rest.

Measure every room

Room Sensors track the conditions that matter in every space.

Set the thresholds in the app

You decide what counts as too high.

Overture takes action

Ventilation and IAQ equipment responds when Overture calls for it.

See that it worked

The app keeps the history, so the homeowner can see what happened and what changed.

What Makes the System Possible

Connected products and software working together as one system.

Room Sensor

Measures CO₂, PM_2.5, TVOC, relative humidity, and temperature, room by room, every 10 seconds.

Overture App

Set the thresholds, see room-by-room conditions and history, and show the homeowner what changed.

Smart Plug

Switches a dehumidifier, filtration box, or fan, and calls ERV boost through its dry contacts.

Wall Control

Replaces the bath fan switch and runs the fan on relative humidity and TVOC it measures itself, or on a Room Sensor's CO₂ and PM_2.5 readings in the same room, without the homeowner touching it.

The value is not in any one device. It is in the system closing the loop from data to action to proof.

Measured in Real Buildings

Field data and real-world examples. Go deeper only where it is relevant to you.

17 dwelling units

A 2025 CalNEXT field study

In 2025 Overture supported a field study by TRC, paid for by California's CalNEXT program (report ET24SWE0015, final report December 19th, 2025). The report describes a "field demonstration at 17 dwelling units in two multi-family housing sites to evaluate IAQ performance, energy impacts, and user satisfaction."

Its finding: “The results show that smart ventilation systems can maintain acceptable IAQ while reducing ventilation runtime compared to continuously operating systems provided the underlying ventilation infrastructure is properly designed and functioning.” The indicators of acceptable indoor air quality were 1,000 ppm CO₂, 19 µg/m³ PM_2.5 and relative humidity of 40 to 60 percent.

On energy, the report’s modeling: “Estimated annual savings ranged from 800 to 1,400 kilowatt-hours per dwelling in cooler or hotter climates (Climate Zones CZ1-CZ2, CZ11–CZ16) and from 450 to 600 kilowatt-hours in milder regions (Climate Zones CZ3–CZ5, CZ10). Savings were less than ~200 kilowatt-hours in very mild coastal climates.” “These results assume an all-electric HVAC system, including electric heat pumps.” TRC, Smart Ventilation Retrofit Demonstration: Final Report, CalNEXT ET24SWE0015, December 19th, 2025.

Read the JLC article

9 of 320 apartments

Know where to look first

Room-by-room monitoring narrowed sustained high dew point conditions to a small group of apartments that warranted follow-up, turning a broad concern into a targeted investigation.

View the monitoring case