Point at the symptom and we will take you to the honest answer.
- There's black mould in the corners of a bedroom or bathroom.Open
- The windows stream with condensation every winter morning.Open
- You're planning a deep retrofit or a well-insulated extension.Open
- You've been quoted for MVHR and want to check whether it's suitable.Open
- A dehumidifier keeps filling up and you're not sure why.Open
Modern homes are airtight by design. The fix is quieter than you think.
Condensation, mould, stuffiness, dust; most of it is your house telling you it can't breathe. MVHR, PIV and properly designed ventilation solve it without you ever opening a window.
Drier walls, fresher rooms, easier breathing.
The moisture cycle
Air quality isn't a mould problem. It's a cycle you can break at three points.
Every damp, condensation and stuffiness question sits on the same three-stage cycle. Interrupt it at the source, extract at the boundary, or ventilate the whole house; the answer for your home depends on where in the cycle the trouble actually starts.
Source
Cooking, washing, breathing and drying clothes add several litres of water a day. The first move is deciding how much moisture the house actually has to move.
Extract
Kitchen and bathroom extract remove the worst of it at the boundary, before it ever reaches the cold corners where mould grows.
Ventilate
Whole-house ventilation, ideally with heat recovery, replaces stale air with fresh continuously and barely loses any warmth doing it.
Point at the symptom and we will take you to the honest answer.
- 01There's black mould in the corners of a bedroom or bathroom.Cheapest damp fix (PIV)
- 02The windows stream with condensation every winter morning.Whole-house ventilation
- 03You're planning a deep retrofit or a well-insulated extension.MVHR guide
- 04You've been quoted for MVHR and want to check whether it's suitable.MVHR assessment
- 05A dehumidifier keeps filling up and you're not sure why.Dehumidifiers, honestly
- 06You want one score across the whole home before deciding.Home Comfort Score
The ventilation industry suffers from installers who never measure airflow and homeowners who confuse fresh air with cold air. Designed properly, you get a house that always smells clean, never feels stuffy, and recovers most of the heat on the way out.
How air quality works
The moisture is being made
The moisture is being made
Cooking, washing, breathing and drying clothes add several litres of water to the air every day. In a modern airtight house, none of that leaves on its own.
Remove it where it's born
Sensible extract in the kitchen and the bathrooms takes the worst of it out at source, before it ever reaches the cold corners where mould tends to grow.
Move the rest, gently and continuously
Whole-house ventilation, ideally with heat recovery, replaces stale air with fresh and barely loses any warmth doing it. The house breathes properly without you ever opening a window.
The ventilation industry suffers from installers who never measure airflow and homeowners who confuse fresh air with cold air.
Drier walls, fresher rooms, easier breathing.
Inside this hub
Flagship tool
Ventilation Assessment
Six questions, then a clear answer: MVHR, PIV, dMEV or extract upgrade; with realistic install costs.
Read first
Ventilation; what your home actually needs
Why airtight homes need mechanical ventilation and how to choose between MVHR, PIV and dMEV.
Compare
MVHR vs PIV
Which ventilation strategy fits which kind of home.
See it built
Project library
Common UK install patterns; the brief, the kit, the cost band.
Real prices
Cost intelligence
Independent UK price ranges, sourced from industry data; not RRPs.
Where to start.
Ventilation
The full ventilation hub: MVHR, PIV, extract fans, design and commissioning. Quiet, efficient air movement that you won't notice working.
MVHR
The gold standard for new builds and deep retrofits. How sizing and ducting decisions made now save you years of disappointment.
PIV
The cheap, low-disruption fix for condensation in older UK homes. When it works, when it doesn't, and what to expect installed.
Dehumidifiers
Not a substitute for ventilation, but a useful tool. What to buy, what to ignore, and the running cost no one talks about.
Decide with data.
Find out whether your home actually has an air-quality problem.
Your next step
Take the next step.
Every tool quietly contributes to Your Home so the next recommendation is sharper than the last.
Why it matters
