3. dMVHR (Decentralised Mechanical Ventilation with Heat Recovery)
Room-by-Room Fresh Air with Energy Savings
dMVHR systems provide filtered fresh air and extract stale air in individual rooms, recovering heat as they operate. They’re a powerful upgrade for properties that need better air quality but are not suited to full centralised MVHR systems.
How dMVHR Works
Extracts stale, humid air from a single room
Brings in fresh, filtered outdoor air
Recovers heat during the process for better energy efficiency
Runs quietly and continuously
Benefits
Ideal for bedrooms, living rooms, or problem areas
Great for retrofitting older or solid-wall homes
Reduces condensation and damp
Removes pollutants, allergens, and stale air
Improves comfort and warmth retention
Low running costs
Perfect For
Homes with limited roof space
Flats and apartments
High-humidity rooms
Properties that need MVHR benefits without full ducting
Quick Facts
🔥 Heat recovery for energy savings
🌬️ Fresh filtered air in each room
🏘️ Ideal for flats & older homes
🔁 Extracts & supplies air simultaneously
🔌 Low running cost
Why Choose dMVHR
✔ Improves air quality room-by-room
✔ Recovers heat — great for energy efficiency
✔ Perfect where full MVHR isn’t possible
✔ Helps reduce condensation and pollutants
Frequently Asked Questions
Q: What’s the difference between MVHR and dMVHR?
dMVHR works room-by-room without central ducting, making it easier to retrofit.
Q: Which rooms benefit most?
Bedrooms, living rooms, home offices, and problem areas with stale air.
Q: Does dMVHR help with damp or mould?
Yes — it reduces humidity and continuously removes stale air.
Q: Will it be noisy?
Modern units are quiet and designed for continuous running.