# MVHR Expert

> MVHR Expert is a specialist MVHR (Mechanical Ventilation with Heat Recovery) company serving Greater London (all 32 boroughs and the City of London). We service, repair, replace and commission MVHR units and replace filters on MVHR systems in flats, houses and residential blocks. Service from £140.

## Key facts

- Services: MVHR servicing, MVHR repair, MVHR unit replacement, MVHR filter replacement, MVHR commissioning and airflow balancing
- Pricing: MVHR service by property size: 1-bed £140, 2-bed £160, 3-bed £200. Larger homes, multiple units and blocks: to be discussed. Repair call-out £140 covering attendance and full diagnosis, repair fee agreed before work starts. Unit replacement quoted after assessment. We do not install new MVHR duct systems.
- Coverage: Greater London (all 32 boroughs and the City of London)
- Brands serviced: Vent-Axia, Nuaire, Titon, Zehnder, Brink, EnviroVent, Vaillant recoVAIR, Itho Daalderop and others
- Contact: 020 3951 5133 · contact@mvhrexpert.co.uk
- Address: 8 Halsbury Road East, Northolt, UB5 4PU
- Hours: Mon–Fri 8am–6pm · Sat 9am–4pm
- Last reviewed: 2026-10-25

## Services

- [MVHR Service](https://www.mvhrexpert.co.uk/mvhr-service): Annual MVHR service in London from £140: filters, heat exchanger clean, fans, condensate drain, airflow check and written report. All brands.
- [MVHR Repair](https://www.mvhrexpert.co.uk/mvhr-repair): MVHR repair in London: noisy, leaking, dead or weak-airflow units diagnosed and fixed. £140 call-out covers attendance and full diagnosis. All major brands.
- [MVHR Unit Replacement](https://www.mvhrexpert.co.uk/mvhr-replacement): MVHR unit replacement in London: failed, obsolete or worn-out units swapped like-for-like, reconnected to your existing ductwork, then airflow-tested and balanced. Quoted after assessment.
- [MVHR Filter Replacement](https://www.mvhrexpert.co.uk/mvhr-filter-replacement): MVHR filter replacement in London. Correct G4/F7 filters supplied and fitted for Vent-Axia, Nuaire, Titon, Zehnder, Brink and more. How often to change them explained.
- [MVHR Commissioning & Balancing](https://www.mvhrexpert.co.uk/mvhr-commissioning): MVHR commissioning and airflow balancing in London for new and existing systems. Flow-hood measured, with commissioning records for Part F and building control.

## Guides

- [What is MVHR? How Mechanical Ventilation with Heat Recovery works](https://www.mvhrexpert.co.uk/guides/what-is-mvhr): A plain-English guide to MVHR: what it is, how heat recovery works, where it is fitted, and what maintenance it needs.
- [How much does an MVHR service cost in London?](https://www.mvhrexpert.co.uk/guides/mvhr-service-cost-london): What an MVHR service costs in London, what's included and what changes the price. Our service starts from £140.
- [How to change MVHR filters (step by step)](https://www.mvhrexpert.co.uk/guides/how-to-change-mvhr-filters): A safe step-by-step guide to changing the filters in a typical MVHR unit, including filter grades and how often to do it.
- [Condensation and mould with MVHR — what's going wrong?](https://www.mvhrexpert.co.uk/guides/mvhr-condensation-and-mould): If you have MVHR and still see condensation or mould, the system is probably not performing. Here are the common causes and what to check.
- [Why is my MVHR noisy? Causes and fixes](https://www.mvhrexpert.co.uk/guides/noisy-mvhr): Humming, whistling or rattling from your MVHR? These are the common causes and what an engineer will check.
- [MVHR not working? What to check before you call an engineer](https://www.mvhrexpert.co.uk/guides/mvhr-not-working): Simple checks if your MVHR has stopped, shows a fault, or isn't moving air — and when to call an engineer.
- [Should you turn off your MVHR?](https://www.mvhrexpert.co.uk/guides/should-you-turn-off-mvhr): Why MVHR is designed to run continuously, what happens if you turn it off, and when switching off is acceptable.
- [MVHR vs extractor fans vs PIV: which ventilation is right?](https://www.mvhrexpert.co.uk/guides/mvhr-vs-extractor-fans-vs-piv): MVHR, MEV, PIV and extractor fans compared: how they work, what they cost to run and which type suits which home.

## Reference

- [Pricing](https://www.mvhrexpert.co.uk/pricing): Full price list and what affects cost
- [FAQ](https://www.mvhrexpert.co.uk/faq): Answers to common MVHR questions
- [Glossary](https://www.mvhrexpert.co.uk/glossary): MVHR terms defined
- [Brands](https://www.mvhrexpert.co.uk/brands): MVHR brands we service
- [Areas covered](https://www.mvhrexpert.co.uk/areas): London boroughs served
- [About](https://www.mvhrexpert.co.uk/about): Company background
- [Contact](https://www.mvhrexpert.co.uk/contact): Phone, email, enquiry form

## Full content

- [llms-full.txt](https://www.mvhrexpert.co.uk/llms-full.txt): Complete plain-text version of the site's key content