Dundonald, County Down
MVHR servicing and filter changes in Dundonald
Annual service, filters, heat exchanger clean and a measured airflow check for existing MVHR. Covering Dundonald and BT4, BT5 and BT16.
- From £135 inc VAT per visit
- By arrangement

For Dundonald homeowners, the usual signs a service is due are condensation coming back or the unit getting louder.
Whether the property is in the middle of Dundonald or one of the villages around it, the process is the same: a look at the building, a written price, then fitting and testing on the agreed day.
MVHR servicing in Dundonald at a glance
- Town
- Dundonald, County Down
- Postcode districts
- BT4, BT5 and BT16
- Nearby
- Holywood (3 miles), Castlereagh (4 miles) and Newtownards (4 miles)
- Price region
- Northern Ireland
- Survey
- By arrangement, travel quoted first
How we approach MVHR servicing in Dundonald
Over a year or two the filters clog, the fans work harder, airflow at the valves drops and the house slowly goes back to condensation and stale air. It is common for a system to go years without a filter change after the builder hands over.
Filter supply
The right filters for your unit, ready to change yourself between visits.
Fault finding
Noisy fans, error codes, condensate leaks and boost controls that stopped working.
Guide prices in Dundonald
| Work | Guide price |
|---|---|
| MVHR service: filters, unit and heat exchanger clean, airflow check (per visit) | £135–£225 inc VAT |
| Rebalance and recommission an existing MVHR system (per system) | £225–£410 inc VAT |
| MVHR or MEV commissioning test, every terminal measured and recorded (per system) | £225–£365 inc VAT |
Northern Ireland rates shown. Prices include VAT at 20%. The fixed price is confirmed in writing after we have seen the job. Travel is quoted separately for this area.
Signs it is time to call us
- The unit is louder than it used to be
- You have moved into a new build and nobody has serviced it
- Water dripping from the unit or ducts
Rules that apply in Northern Ireland
Northern Ireland has its own building regulations, with ventilation guidance in Technical Booklet K. Extract rates follow the Northern Ireland guidance and are measured at handover.
Questions from Dundonald
Do you cover Dundonald and nearby?
Yes. We cover Dundonald and nearby places including Holywood, Castlereagh, Newtownards and Belfast. Send your postcode and we will confirm.
How often should MVHR filters be changed?
Most manufacturers recommend changing MVHR filters every 6 to 12 months, and more often near busy roads or building sites. A full service once a year is a sensible minimum.
Can you service any make of MVHR?
We service most common makes of whole-home MVHR unit. If we cannot get parts for an older or unusual unit we will tell you before the visit and suggest options.
What is the price of an MVHR service in Dundonald?
Guide prices for Dundonald use Northern Ireland rates: MVHR service: filters, unit and heat exchanger clean, airflow check is typically £135 to £225 inc VAT per visit. We confirm a fixed price in writing before any work starts.
Is the survey free in Dundonald?
Visits here are by arrangement. Because of the ferry or long travel involved, we quote travel separately and in writing before you commit, and we can often combine visits to keep the cost down.
Ask about filter supply when you book your Dundonald service, so you can do the in-between changes yourself.
MVHR servicing near Dundonald
More services in Dundonald
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