Full MVHR service from £149Book before winter — Get a free quote5-star rated on GoogleBPEC certified & fully insuredAll makes & models servicedBristol · Bath · South West · South Wales
● Booking this week across Bristol & Bath

MVHR Servicing & Repairs in Bristol, Bath & the South West

Specialist engineers for every make of MVHR and MEV unit. Full service from £149, with a written report and before-and-after photos.

★★★★★ 5-star rated on Google

Get a free quote

Tell us about your system and we’ll come back with a fixed price.

BPEC certified
Fully insured
All makes & models
Photo report every visit
5-star on Google

Trusted by homeowners across Bristol & Bath

What customers say after a Ventfix visit.

Patricia Paynter
“Excellent service. I was given advice and information about my vent and the issues it can cause in my flat if it’s not working. My vent was repaired and has been working really well ever since!”
Natalie
“Detailed and thorough inspection where everything was explained fully. The engineer was polite and very helpful. I wouldn’t hesitate in using again.”
Chris M.
“The engineer arrived within the allotted time, was polite, friendly and efficient. Spent just under an hour servicing the unit, ducts and changing filters.”
Steve Mackay
“Engineer was on time and very friendly. Answered all my questions on the unit and did a quick and thorough inspection. Very satisfied.”
Stephen Viiney
“The engineer took time and care to ensure our Vent-Axia Sentinel MVHR is in good shape. He also cleaned all the outlets and checked the flow rates.”

Is your MVHR telling you something?

Most problems show up as one of these. Each one is fixable.

Red fault light on an MVHR unit

Red or flashing light

Usually a fan or circuit-board fault. Don’t leave the unit running in fault mode.

Worn MVHR fan motor being replaced

Louder than it used to be

Worn fan bearings or a blockage somewhere in the system.

Replacement MVHR filters

Condensation or musty smells

Airflow is too low, often from clogged filters or an unbalanced system.

Diagram of MVHR airflow to each room

Some rooms cold or draughty

The system is out of balance and needs measuring room by room.

We service all makes and models, including

MVHR services and prices

Fixed prices, confirmed before we arrive.

Cleaned MVHR heat exchanger after a full service
Most booked

Full MVHR Service

£149

Deep clean, new filters, airflow tested and rebalanced in every room, photo report. 90–120 min.

Vent-Axia MVHR unit in a utility cupboard

Light Service

£80

Clean of unit and fans, component test, basic airflow check. For systems serviced in the last year.

Engineer checking an MVHR control panel

Fault Finding Visit

£80

Full diagnosis, duct and airflow checks, PCB testing, written repair quote.

MVHR circuit board being repaired

Repairs

From £150

Fans, circuit boards, ducts and leaks. Parts quoted before work starts.

Airflow test hood measuring a ventilation valve

Part F Commissioning

£200

Room-by-room measurements, balancing and a commissioning certificate.

New Nuaire MRXBOX MVHR unit installed

Unit Replacement

From £1,290

Supply and fit, controls set up, airflow set, hand-over demonstration.

Nuaire MRXBOX MVHR unit

Annual Care Plan

£400

Health check, full service, 2 call-outs, 2 filter sets and 15% off repairs.

Live in a block of flats? Book together and save.

15% off every service when 4 or more homes in the same building book on the same day.

LOCAL KNOWLEDGE

MVHR in Bristol, Bath and the South West: what homeowners should know

MVHR unit and ducting installed in a loft


Bristol and Bath have a lot of new-build apartments with MVHR fitted as standard. Many have never been serviced since handover, and the filters are often years old.

The South West is mild and damp. When a system isn’t moving enough air, it shows up fast as condensation and mould on cold walls and in bathrooms.

Eco builds and renovations across Somerset, Wiltshire and South Wales often have high-spec units that need the right filters and careful balancing.

How it works

01

Get in touch

Call, WhatsApp or fill in the form.

02

Fixed price

We confirm the price before we book.

03

Pick a slot

A day and time that suits you.

04

We do the work

Your system cleaned, tested and balanced.

05

Report and photos

Emailed to you the same day.

MVHR servicing areas we cover

Bristol, Bath and surrounding areas, the South West and South Wales.

Bristol
Bath
Weston-super-Mare
Clevedon & Portishead
Keynsham & Saltford
Thornbury & Yate
Chippenham
Trowbridge & Bradford-on-Avon
Frome
Cardiff
Newport
Chepstow & Monmouthshire

MVHR questions people ask

Once a year for most homes, with filters checked every few months in between.

A full service is £149. A light service is £80. You’ll know the price before we arrive.

Yes. We work on all makes and models, including Vent-Axia, Nuaire, Zehnder and Titon.

We clean the unit and every room valve, fit new filters, measure and rebalance airflow, then send a report with photos.

Yes. Homes in the same building save 15% when 4 or more book together.

Bristol, Bath and surrounding areas, the South West and South Wales.

Don’t wait for the red light.

Book your MVHR service before winter. 

Most jobs booked within 7 days. 

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