Blog

MVHR maintenance  |  PART 2 Borescope

MVHR maintenance | PART 2 Borescope

The realisation of a disconnected duct prompted a full investigation into the system, starting with the easy to access visible room terminals using a Depstech borescope.  The borescope clearly showed that all the connections at the terminals were good but was...

read more
MVHR maintenance

MVHR maintenance

My Zehnder Q350 MVHR was installed as part of a (partial) deep retrofit in 2017 so it’s about 5 years old.  Firstly, the MVHR system has been amazing.  Trickle vents don’t work, and opening windows just wastes heat and leads to poor comfort, but the MVHR means year...

read more

Research on Planning Permission for Domestic Retrofit

Dr. Suzy Nelson of the University of Westminster is conducting research on the extent to which difficulty in obtaining planning permission is an obstacle to the implementation of domestic retrofit projects. The research involves interviews with built environment...

read more
Zehnder MVHR Q350 fan motor emergency!

Zehnder MVHR Q350 fan motor emergency!

One of the fan motors in my Zehnder Q350 MVHR has died and so I urgently need a replacement but the leadtime for a new part from Zehnder is many many months.  Can anyone help?  Do you have an old unit somewhere or could I even borrow a fan from a unit not needed for a...

read more

AECB Brighton Group – cancelled UFN

Very sorry to have to announce that the monthly meetings won’t in fact restart this month as the Lord Nelson pub has decided to temporarily close its doors for the first 2 weeks of January so the 12th cannot happen.  With the current Covid situation it would seem wise...

read more
Oakhill Passivhaus

Oakhill Passivhaus

Oakhill Passivhaus in Mayfield, Sussex has just received Passivhaus certification with an airtigthness of 0.22 ACH.  One more building providing super low energy consumption and excellent comfort and occupant health.   Congratulations to all involved - Koru...

read more