Spring brings pollen, allergens and rising humidity into your home, often without you noticing until the symptoms kick in. A mechanical ventilation system (MVHR) continuously renews indoor air through built-in filters, with no need to open a window. For allergy sufferers, the difference is felt straight away.
What is mechanical ventilation with heat recovery?
An MVHR unit replaces stale indoor air with filtered fresh air on a continuous cycle, entirely automatically. Heat exchangers capture energy from the outgoing air to pre-condition the incoming supply, so you get consistently clean air without wasting the energy you've already paid to heat or cool the room.
Why MVHR matters in spring
As temperatures rise, homes quickly accumulate moisture, pollen and mould spores. A well-specified MVHR system tackles all three:
- Filtration of outdoor air, blocking pollen and fine particulates
- Humidity control, reducing the conditions that allow mould to grow
- Energy savings through heat recovery
- Constant supply of fresh, draught-free air throughout the home
Types of mechanical ventilation
There are two main categories:
- Single-flow extraction: removes stale air from the inside without heat recovery
- Balanced MVHR (double-flow): handles both supply and extraction, with an integrated heat exchanger
The right choice depends on the size and layout of the property and your available budget.
How to choose the right system
Key factors to consider include:
- The floor area of the spaces to be ventilated
- The number of occupants in the home
- Whether anyone has allergies or respiratory conditions
- Your budget for installation and ongoing maintenance
A specialist installer can assess your property and recommend the most suitable configuration.
MVHR and spring air quality
Pollen counts peak in spring and affect millions of people across Europe. An MVHR unit fitted with HEPA filters can substantially reduce airborne allergens indoors, making a real difference for anyone living with hay fever or asthma.
Browse our range of mechanical ventilation systems and find the right solution for your home.