MVHR servicing and filter changes in Hertfordshire

Many new-build homes in Hertfordshire have MVHR that has not been serviced since handover.

Our team is based in Great Barr, Birmingham, and we work throughout Hertfordshire, from Hatfield, Bishop's Stortford, Watford, Hemel Hempstead and Stevenage. Servicing, testing and repair visits are charged, and we tell you the cost before booking.

MVHR servicing in Hertfordshire at a glance

Area: Hertfordshire
Towns listed: 32, largest Watford
Postcode districts: WD5, EN3, EN7, WD1, WD17 and HP1
Price region: East of England
Survey: Charged visit, price agreed first

What MVHR servicing and filter changes involves

It is common for a system to go years without a filter change after the builder hands over. 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.

Rebalance and recommission

Every valve measured and set again to the design rates, with a new commissioning sheet. Useful after building work or if rooms feel stuffy.

Guide prices in Hertfordshire

MVHR servicing and filter changes guide prices in Hertfordshire
Work	Guide price
MVHR service: filters, unit and heat exchanger clean, airflow check (per visit)	£150–£255 inc VAT
Rebalance and recommission an existing MVHR system (per system)	£255–£465 inc VAT
MVHR or MEV commissioning test, every terminal measured and recorded (per system)	£255–£415 inc VAT

Guide prices using East of England rates. Prices include VAT at 20%. A guide price is not a quote: we confirm a fixed price in writing first.

Common reasons people call

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 in England

In England, ventilation is covered by Part F of the Building Regulations and its guidance, Approved Document F (2021 edition). It sets extract rates for kitchens, bathrooms and utilities and asks for mechanical ventilation to be commissioned and recorded.

How the job runs

Book a visit
Strip and clean
Checks
Measure
Report

Towns we cover in Hertfordshire

Questions about MVHR servicing and filter changes in Hertfordshire

Which rules apply to ventilation in Hertfordshire?

In England, ventilation in new and altered homes is covered by Approved Document F of the Building Regulations. Landlords also have duties under the Housing Health and Safety Rating System, and workplaces must be ventilated under the Workplace (Health, Safety and Welfare) Regulations 1992.

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.

Why has my MVHR system gone noisy?

Noise usually comes from clogged filters making the fans work harder, a fan bearing wearing out, or valves that have been closed down. A service and rebalance fixes most cases.

Which towns in Hertfordshire do you cover?

All of Hertfordshire, including Hatfield, Bishop's Stortford, Watford, Hemel Hempstead and Stevenage. If your town is not listed, send the postcode and we will confirm.

Are prices different in Hertfordshire?

Our guide prices are adjusted by region. In Hertfordshire we use East of England rates, so MVHR service: filters, unit and heat exchanger clean, airflow check is typically £150 to £255 inc VAT per visit.

Book an MVHR service in Hertfordshire and tell us the make of unit if you know it.