MVHR System
🌬️ What Is Mechanical Ventilation with Heat Recovery (MVHR)?
Breathe cleaner air. Save on energy. Protect your home.
MVHR stands for Mechanical Ventilation with Heat Recovery, sometimes referred to as Heat Recovery Ventilation. It’s a smart, energy-efficient whole-house ventilation system that provides continuous fresh air while capturing and reusing heat that would otherwise be lost.
In short: it gives you cleaner, healthier air without wasting energy.
🔧 How Does MVHR Work?
An MVHR system works by extracting stale, humid, and polluted air from rooms like bathrooms, kitchens, and utility spaces, while simultaneously bringing in fresh, filtered air from outside but here’s the clever part:
Before the outgoing air is expelled, it passes through a heat exchanger inside the MVHR unit. This exchanger captures up to 92% of the heat from the outgoing air and transfers it to the incoming fresh air.
This means you’re not wasting valuable warmth by opening windows or relying on basic extractor fans instead, you’re maintaining a steady flow of fresh air without heat loss.
🏠 Where Is the System Installed?
Most MVHR systems are installed in the loft or roof space, out of sight and quiet. A network of discreet ducting is routed through the walls, ceilings, or floors — similar to plumbing or electrical cables — connecting each room to the central unit.
Grilles or air valves are fitted in key rooms throughout the house to extract stale air and supply fresh air where needed.
✅ Key Benefits of MVHR
🌡️ Massive Energy Savings
By reusing up to 92% of the heat from the air being expelled, MVHR systems reduce the need for central heating lowering your energy bills significantly, especially in winter.
💨 Continuous Fresh Air
No more stuffy rooms, condensation, or relying on trickle vents. You get a steady flow of fresh, filtered air 24/7 even with the windows closed.
🛡️ Healthier Living Environment
MVHR units come with filters that trap dust, pollen, pollution, and allergens before they enter your home. This makes them especially beneficial for people with asthma, allergies, or respiratory conditions.
🧼 No Mould, Damp, or Condensation
By constantly removing moisture-laden air from bathrooms and kitchens, MVHR helps prevent condensation, damp patches, and black mould — protecting your property and improving indoor air quality.
🔇 Silent Operation
High-quality MVHR systems operate quietly in the background — no rattling extractor fans or loud vents. Just clean air and comfort.
🌍 Eco-Friendly
MVHR is ideal for low-energy homes, new builds, and renovated properties looking to improve energy performance and reduce their carbon footprint.
🔍 Is MVHR Right for Your Home?
MVHR works best in well-sealed homes — such as new builds, modern extensions, or energy-retrofitted properties with upgraded windows, insulation, and airtightness. It can also be retrofitted in older homes as part of a renovation or loft conversion, depending on layout.
If your home suffers from condensation, mould, stale air, or high heating bills — MVHR could be the ideal solution.
🛠️ Why Choose Just Lofts for MVHR?
With over 30 years of hands-on loft experience, we know what works and what doesn’t. We offer:
- Expert advice on whether MVHR is suitable for your property
- Professional installation of MVHR units and ducting
- Integration with your existing loft layout or renovation plans
- Aftercare and maintenance advice
- Fair, transparent pricing — no sales gimmicks
📞 Get a Quote or Book a Survey
Ready to upgrade your home with cleaner air and lower bills?