Preventing overheating – without the need for ‘active cooling’

Icecream cone

Blog giving an overview of ways to prevent overheating., without needing to resort to ‘active cooling’ strategies.

19th April 2022

Can an MVHR system be used for cooling?

Zehnder ComfoAir Q MVHR unit in situ

MVHR heat recovery ventilation transfers heat or coolth between incoming and outgoing air. Can additional cooling also be added?

18th August 2021

MVHR DOs & DON’Ts: Location of MVHR units

Novus 300 at Golcar Passivhaus

Blog outlining the key factors to consider when choosing the location of your MVHR unit, including our recommendations for the ideal MVHR location.

27th February 2018

MVHR DOs & DON’Ts: Joists and ductwork


Blog highlighting the importance of timing and sequencing when designing and installing MVHR ducting into joists.

12th February 2018

Airtight homes & air quality: Missing the point

Green Building Store PERFORMANCE triple glazed timber inward opening windows

There have been a few articles in the media recently about modern airtight houses causing bad indoor air quality (IAQ). We find this misleading.

19th June 2016

Ensuring good operation of MVHR systems

Graph from Characteristics and performance of MVHR systems. A meta study of MVHR systems used in the Innovate UK Building Performance Evaluation Programme

Blog looking at improving MVHR heat recovery ventilation systems in operation and how poor maintenance programmes can impact on the performance.

16th May 2016

Affiliations & Accreditations