MVHR & IAQ
Ventilation & Indoor Air Quality Investigations
Real Retrofit IQ investigations where a designed ventilation strategy — MVHR, continuous extract or a retrofit ventilation upgrade — controlled humidity, removed pollutants and protected the building, paired with the airtightness that makes it work.
Investigations coming soon
← Back to all Retrofit IQ InvestigationsWe’re documenting iaq / ventilation investigations now.
We only publish genuine completed investigations with the customer’s consent. In the meantime, read the building science in our Ventilation & Indoor Air Quality guide, or get in touch to discuss your own project.
Home Problems Knowledge Base
Common problems behind these investigations
The everyday symptoms that lead to this kind of investigation. Each guide explains the building physics — and how measuring the cause leads to a fix that lasts.
- Why is my bedroom always cold?
- Why is my kitchen or bathroom so cold?
- Why do I have condensation on my windows?
- Why are my windows wet in the morning?
- Why is condensation worse in winter?
- How do I stop condensation in my home?