Ventilation & MVHR in Wexford
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Wexford has a strong mix of coastal town properties (Wexford Town, Gorey, Enniscorthy, New Ross) and rural farmhouses. Gorey has become a Dublin commuter town with extensive modern estates. Wexford Town has older housing stock including Georgian town centre properties. Rosslare and Courtown have holiday home stock. The agricultural heartland has traditional farmhouses requiring modernisation.
The sunny south-east lives up to its reputation, with Wexford receiving among the highest sunshine hours in Ireland and relatively low rainfall (800-900mm). This makes solar PV particularly effective. The south-east coast faces moderate sea exposure. Inland areas have fertile, well-drained soil. Milder winters than midland counties.
Ventilation & MVHR in Wexford: Local Insights
Wexford has a strong mix of coastal town properties (Wexford Town, Gorey, Enniscorthy, New Ross) and rural farmhouses. Gorey has become a Dublin commuter town with extensive modern estates. Wexford Town has older housing stock including Georgian town centre properties. Rosslare and Courtown have holiday home stock. The agricultural heartland has traditional farmhouses requiring modernisation.
The sunny south-east lives up to its reputation, with Wexford receiving among the highest sunshine hours in Ireland and relatively low rainfall (800-900mm). This makes solar PV particularly effective. The south-east coast faces moderate sea exposure. Inland areas have fertile, well-drained soil. Milder winters than midland counties.
Gorey's growth as a commuter town drives demand for modern home services. Wexford Town and Enniscorthy have heritage properties with conservation considerations. Strong agricultural economy supports rural home improvements. Contractor availability is moderate with some Dublin-based trades serving north Wexford.
SEAI Grants May Be Available
Some ventilation & mvhr work may qualify for SEAI grants. Visit HomeEnergyGuide.ie to check eligibility and amounts.
SEAI Grants May Apply
Some ventilation & mvhr work qualifies for SEAI grants of up to €8,000 or more. Check eligibility and current grant amounts on our energy guide.
Check SEAI Grants on HomeEnergyGuide.ieVentilation & MVHR Costs in Wexford
Typical costs for ventilation & mvhr in Wexford (prices may vary ):
| Service | Typical Cost | Notes |
|---|---|---|
| MVHR system (new build) | €4,000 | €7,000 | Property size, ductwork complexity |
| MVHR system (retrofit) | €5,000 | €9,000 | Existing structure, access |
| Demand-controlled ventilation | €2,000 | €4,000 | Number of units |
MVHR costs depend on the brand and model (Zehnder, Vent-Axia, Beam, and Daikin are common in Ireland), the size of your home (determining the unit capacity), and whether it is a new build (ducting installed during construction) or a retrofit (ducting must be routed through an existing house, which is significantly more complex and expensive). Retrofit MVHR is typically 40-60% more expensive than new build installation due to the difficulty of running ducts through finished ceilings and walls. Demand-controlled and positive input systems are considerably cheaper.
Areas We Cover in Wexford
Ventilation & MVHR FAQs for Wexford
An MVHR system costs €4,000 to €7,000 in a new build (where ducting is installed during construction) and €7,000 to €12,000 in a retrofit (where ducting must be routed through an existing house). The cost depends on the brand, unit capacity, and the complexity of the duct layout. Demand-controlled ventilation (DCV) costs €1,500 to €3,000. Positive input ventilation (PIV) costs €500 to €1,500.
In a well-insulated, airtight home (air permeability below 5 m³/hr/m²), MVHR is essential for maintaining healthy indoor air quality while recovering up to 90% of heat that would otherwise be lost. It prevents condensation, mould, and stuffy air. In a leaky, poorly insulated home, MVHR is not cost-effective because air enters through gaps rather than through the heat exchanger. For these homes, demand-controlled ventilation or PIV is a better starting point.
Filters should be replaced every 6 to 12 months (more frequently if you live near a busy road or in a dusty area). The heat exchanger should be cleaned annually. Ducts should be inspected and cleaned every 3 to 5 years. Annual professional servicing costs €100 to €200. Most filter replacements are straightforward enough to do yourself, keeping ongoing costs low.
A properly installed and commissioned MVHR system operates at 25 to 30 decibels on normal speed, which is quieter than a whisper and virtually inaudible in a furnished room. Noise problems are almost always caused by poor installation: undersized ducts, uninsulated duct runs, the unit mounted directly on joists without vibration isolators, or incorrect fan speed settings. Insist on proper commissioning.
A bathroom extractor fan removes moist air from one room and expels it outside, losing all the heat it contains. MVHR is a whole-house system that continuously ventilates every room while recovering 85-90% of the heat from the extracted air. MVHR also supplies filtered fresh air, removing pollen, dust, and pollution. It is a fundamentally different level of ventilation and air quality.
Yes. Condensation and mould in insulated homes are caused by trapped moisture that has no way to escape. MVHR continuously removes moist air from kitchens and bathrooms and replaces it with dry, filtered fresh air. In homes where condensation and mould have been a persistent problem after insulation, MVHR almost always resolves the issue completely.