dMEV installation in Poole
dMEV installation by MX2 Electrical delivers continuous background extract ventilation to control moisture and condensation, backed by our full NAPIT registration.
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- 2 years trading
dMEV installation cost
dMEV or extractor fan installation starts from £140 on a ready circuit. We make the electrical connection and leave the extract running before we go.
From £140
Included in the installation
- Supply and fit of one dMEV unit or extractor fan in a bathroom, kitchen, utility or wet room
- Electrical connection to an existing isolator or fused spur that is already in the room
- Short extract ducting through an outside wall where the hole is already there or can be cut by us as part of the electrical visit
- Boost setup for humidity or a light switch, as the fan model allows
- A minor works certificate for the circuit we have altered
Not included automatically
- Making good tiles, plaster, paint or silicone after a new wall hole
- Full house ventilation systems, heat recovery units or cooker hoods on a gas supply
- Treating mould, replacing windows or any joinery around the fan
Ways to pay


- Pay by bank
- Bank transfer
- The starting price is for one fan on an existing supply. Extra cable, a new isolator or a long duct run is charged on top.
- If the old fan circuit is dead and we have to find the break first, that work is electrical fault finding from £70/hr.
- Current labour rate: £70 per hour.
- Materials, specialist equipment and larger project work are confirmed separately before they go ahead.
Who needs dMEV installation
People book this when steam sits on tiles, windows run with water, or an old intermittent fan no longer clears a bathroom or kitchen. MX2 Electrical does the electrical work for homes and landlords around Poole, Bournemouth, Broadstone, Parkstone, Canford Heath, Westbourne, Wimborne Minster, Wareham, Ferndown and Christchurch.
- Bathrooms that stay wet after a showerA dMEV fan runs on a trickle all day and boosts when humidity rises, so the room dries instead of leaving condensation on ceilings and silicone.
- Kitchens and utility rooms with a tired extractorWe replace a noisy or seized fan with a continuous extract unit and wire it to the existing supply where that circuit is sound.
- Landlords dealing with mould in rented roomsLetting agents and owners ask us to fit dMEV in wet rooms so extract meets the rates expected for dwellings, then they can treat the mould as a separate job.
- New wet rooms and loft bathroomsWhen a house in Poole or Bournemouth gains a shower room, we run the fan circuit, isolator and extract so the new space has working ventilation from day one.
What happens on the day
MX2 Electrical attends, does the fan work, and leaves paperwork for the circuit that was changed.
- Arrival and look at the old fanWe isolate the circuit, take off the old grille, and check the live, switched live and earth at the spur before any new unit goes in.
- Fit, duct and wire the new unitWe mount the dMEV or extractor, join the duct to outside air, and terminate the cable in the isolator so the fan can trickle and boost.
- Test and certificateWe run the fan on trickle and boost, confirm extract at the grille, and hand over the minor works certificate before we leave.
How booking works
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Why choose MX2 Electrical
You see the price before you call
Starting prices for the common jobs are published on this site, not held back until someone visits.
Registered work, certificated properly
MX2 Electrical is NAPIT registered, and notifiable work is notified through that registration.
The fault gets found before the repair gets priced
Testing establishes what is actually wrong rather than replacing parts in sequence.
- Reviews
- 101
- Rating
- 4.9
- Trading since
- 2024
“With over 20 years in the trade behind us, we are a fully qualified, NAPIT registered team covering Poole and the Dorset area, domestic and commercial. We turn up when we say we will, explain what needs doing before we do it, and leave the place as we found it.”
Mohsen Nazari, MX2 Electrical
Book NowPhotos of our work
How much does dMEV installation cost?
Extractor fan and dMEV ventilation installation starts from £140 for one unit on a ready circuit. Extra cable, isolators or long ducting is on top.
What is a dMEV fan?
A dMEV fan is a small continuous extractor, usually in a bathroom or kitchen. It trickles all day and speeds up when the room gets steamy, which is why it clears moisture better than a fan that only runs with the light.
Do you work in flats as well as houses?
Yes. We fit fans in houses and flats around Poole, Parkstone, Canford Heath, Westbourne and Bournemouth, as long as there is a legal extract path to outside air.
Will I get a certificate?
Yes. Altering the fan circuit is notifiable electrical work in a dwelling, and we issue a minor works certificate. MX2 Electrical is NAPIT registered for that paperwork.
Can you replace a broken extractor on the same visit?
If the spur is live and the wall hole suits the new unit, we swap it in one visit from £140. If the circuit is dead, fault finding from £70/hr comes first.
