Harrow, Greater London
MVHR servicing and filter changes in Harrow
Annual service, filters, heat exchanger clean and a measured airflow check for existing MVHR. Covering Harrow and HA1, HA2, HA3 and HA5.
- From £175 inc VAT per visit
- Charged visit, price agreed first

Many Harrow new builds have MVHR in the loft that nobody told the owners how to look after.
Customers in Harrow can get a guide price online in a couple of minutes. It uses London rates, which is what we would charge for the same job anywhere in Greater London. Visits for this work are charged, with the price agreed before we arrive.
MVHR servicing in Harrow at a glance
- Town
- Harrow, Greater London
- Postcode districts
- HA1, HA2, HA3, HA5 and HA7
- Nearby
- Harrow on the Hill (under a mile), Headstone (1 mile) and Wealdstone (2 miles)
- Price region
- London
- Survey
- Charged visit, price agreed first
How we approach MVHR servicing in Harrow
A service puts that right. We work on most makes of MVHR unit and can supply filters for future changes, so you can do the in-between swaps yourself if you would rather.
Fault finding
Noisy fans, error codes, condensate leaks and boost controls that stopped working.
Annual service
Filters, exchanger and fan clean, drain check, controls and boost checked, airflow spot-checked at the valves.
Guide prices in Harrow
| Work | Guide price |
|---|---|
| MVHR service: filters, unit and heat exchanger clean, airflow check (per visit) | £175–£295 inc VAT |
| Rebalance and recommission an existing MVHR system (per system) | £295–£525 inc VAT |
| MVHR or MEV commissioning test, every terminal measured and recorded (per system) | £295–£475 inc VAT |
These ranges use our London rates. Prices include VAT at 20%. You get a fixed written price before any work is booked.
Common reasons people call
- You have moved into a new build and nobody has serviced it
- Water dripping from the unit or ducts
- The unit filter warning is showing
Rules that apply in England
English building work follows Approved Document F (2021 edition) for ventilation rates, installation and commissioning. It sets extract rates for kitchens, bathrooms and utilities and asks for mechanical ventilation to be commissioned and recorded.
Questions from Harrow
What is the price of an MVHR service in Harrow?
Guide prices for Harrow use London rates: MVHR service: filters, unit and heat exchanger clean, airflow check is typically £175 to £295 inc VAT per visit. We confirm a fixed price in writing before any work starts.
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.
Is the survey free in Harrow?
This is a charged visit because it is servicing, testing or repair work. We tell you the cost before booking. Surveys for new installations on the UK mainland are free.
How do I get a price for an MVHR service in Harrow?
Use the guide price tool, the form on this page, live chat, WhatsApp or call 0800 088 6341. A postcode and a couple of photos help us give you a useful answer first time.
Ask about filter supply when you book your Harrow service, so you can do the in-between changes yourself.
MVHR servicing near Harrow
More services in Harrow
Get a guide price in two minutes
Answer a few questions for a price range, or send photos and we will come back to you with a written quote.