The Zehnder Cooling ComfoPost is the silver box above the MVHR on the right-hand side – HSL Ltd 2022 Published 12 June 2022 at 1002 × 743 in Supremely Efficient Dutch Barn New Build with High Performance Cooling via MVHR The Zehnder Cooling ComfoPost is the silver box above the MVHR on the right-hand side. The Zehnder Cooling ComfoPost is the silver box above the MVHR on the right-hand side – HSL Ltd 2022 ← Previous Next →