Wohler manufactures a wide range of measuring instruments for heating systems & chimneys. These include tools to analyse emissions and test for leakage. Leakage testing equipment for flues and chimneys conforms to Approved Document J and EN1443. The range extends to testing air tightness of buildings complying with EN13829. Similarly, ventilation systems tools measure air speed, temperature, humidity, C02 and leakage. Indoor air quality, moisture, temperature and dew point can all be measured.

Wohler Visual Inspection Systems include telescopic hand held mirrors, endoscopes and service inspection camera systems with a range of different sizes and types of camera heads that are either fixed one directional viewing or pan and tilt type. They offer complete portability with integrated rechargeable batteries and features that include integrated video and voice recording. These tools are widely used in the chimney, ventilation, drainage and industrial markets.

Wohler Cleaning equipment includes a wide range of Vipers. The single rod systems are available in different lengths and diameters to cover applications up to 100m in length. Manual, drill driven and air compressed systems are available.