Smart U-value testing with Heat3D mobile app

Heat3D U-value measurement technology

The Heat3D iOS app uses Apple ARKit to detect room features such as walls, floors and ceilings and construct a 3D model. When combined with a FLIR portable camera, infrared thermal images are projected onto the 3D model showing the heat signature through each surface.

iOS Mobile App

Supports iPhone and iPad devices with an A10X or better processor.

Realistic 3D Model

The app uses Apple ARKit to detect room features such as walls, floors and ceilings.

Works with FLIR

Compatible with FLIR ONE range of thermal cameras for high-resolution imaging.

Bluetooth Sensors

Integrated Bluetooth temperature sensor provides accurate internal temperature readings.

PID Temperature Control

Ambient temperature is strictly controlled using a PID heating controller connected to a convector heater.

Secure Cloud Storage

Surveys are uploaded securely to the cloud using a WiFi or data connection for reporting and data analysis.

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Heat3D result metrics and thermal properties

A Heat3D survey takes 60 minutes to perform taking infrared images every minute to create a time-lapse of thermal transmittance. An average U-value over the entire measurement period is then calculated which provides an accurate representation of the wall's actual U-value.

Heat flux density, Q (W/m²)
Heat flux measurements for every 50x50cm square of wall or average heat transfer for entire area.
U-value (W/m²K)
U-value measurements for every 50x50cm square of wall or average U-value for entire area.

Heat3D Downloads

PDF Document

Heat3D Validation Report

Summary of how Heat3D technology was validated against traditional U-value measurement using heat flux plates.

PDF Document

National Physical Laboratory Report

National Physical Laboratory (NPL) review of Heat3D as part of the Measurement for Recovery (M4R) programme.

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