MVHR unit designed by Heat, Space and Light Ltd with sound drum attenuators and Zehnder Comfopost cooling technology linked to heat pump Published 27 September 2021 at 1532 × 2048 in How to design and build a new home in 2021 which stays cool in UK summers (case study) The sound drum attenuators are the large thick steel pipes on top of the unit. MVHR unit designed by Heat, Space and Light Ltd with sound drum attenuators and Zehnder Comfopost cooling technology linked to heat pump ← Previous Next →