MVHR installation
Whole-home heat recovery ventilation, designed room by room and airflow-tested at handover.
From £4,450 inc VAT per home
Home ventilation
MVHR, PIV, extractor fans, continuous extract and single-room heat recovery for houses and flats.
MVHR, PIV, extractor fans, continuous extract and single-room heat recovery for houses and flats.
MVHR servicing and filter changes
Annual service, filters, heat exchanger clean and a measured airflow check for existing MVHR.
From £145 inc VAT per visit
Positive input ventilation (PIV)
Loft or wall units that gently push filtered air into the home to tackle condensation.
From £795 inc VAT per home
Extractor fan installation
Bathroom, kitchen and utility fans sized to the Part F rates, ducted outside and tested.
From £175 inc VAT per fan
Continuous extract fans (dMEV)
Quiet low-energy fans that run all the time and boost automatically when humidity rises.
From £345 inc VAT per fan
Single-room heat recovery units
Through-wall heat recovery for one problem room, without ducting the whole house.
From £595 inc VAT per unit
Guide prices
| Work | Guide price |
|---|---|
| Whole-home MVHR retrofit, 1 to 2 bedroom flat (per home) | £4,450–£6,950 inc VAT |
| Whole-home MVHR retrofit, 3 bedroom house (per home) | £6,450–£9,450 inc VAT |
| MVHR service: filters, unit and heat exchanger clean, airflow check (per visit) | £145–£245 inc VAT |
| Rebalance and recommission an existing MVHR system (per system) | £245–£445 inc VAT |
| Positive input ventilation (PIV) loft unit, supplied and fitted (per home) | £795–£1,395 inc VAT |
| Wall-mounted PIV unit for a flat (core drilled through an outside wall) (per flat) | £995–£1,695 inc VAT |
| Like-for-like extractor fan replacement (existing duct and wiring) (per fan) | £175–£295 inc VAT |
| New extractor fan through an outside wall (core drilled, wired, tested) (per fan) | £345–£545 inc VAT |
| Continuous-running extract fan (dMEV) with humidity boost, flow tested (per fan) | £345–£595 inc VAT |
| Airflow testing and commissioning sheet for extract fans (up to 6 fans) (per home) | £145–£295 inc VAT |
| Single-room heat recovery unit through an outside wall (per unit) | £595–£1,095 inc VAT |
Guide prices using West Midlands (our baseline) rates. Home prices include VAT at 20%; business prices exclude VAT. A guide price is not a quote: we confirm a fixed price in writing first.
Questions people ask
How much does MVHR cost to install?
A typical retrofit costs £6,450 to £9,450 including VAT for a three-bedroom house, and £4,950 to £7,950 when it goes in during a new build or full renovation. Flats start lower and large detached homes cost more because of the duct runs. We give a fixed price after the survey.
How much does an MVHR service cost?
An MVHR service usually costs £145 to £245 including VAT, depending on the unit and how easy it is to reach. Filters are included for most common units; rebalancing every valve is priced separately at £245 to £445.
How much does PIV cost to install?
A loft-mounted PIV unit usually costs £795 to £1,395 including VAT supplied and fitted, and £995 to £1,695 for a wall-mounted unit in a flat. A heater module adds around £145 to £295.
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