Horsham, West Sussex
MVHR installation in Horsham
Whole-home heat recovery ventilation, designed room by room and airflow-tested at handover. Covering Horsham and RH12 and RH13.
- From £4,900 inc VAT per home
- Free survey

MVHR in Horsham works the same way as anywhere else: a quiet unit, a duct to every room and a proper airflow test at the end.
Whether the property is in the middle of Horsham or one of the villages around it, the process is the same: a look at the building, a written price, then fitting and testing on the agreed day.
MVHR in Horsham at a glance
- Town
- Horsham, West Sussex
- Postcode districts
- RH12 and RH13
- Nearby
- Broadfield (6 miles), Crawley (7 miles) and Cranleigh (9 miles)
- Price region
- South East
- Survey
- Free survey (UK mainland)
MVHR for Horsham homes
Filters on both sides keep pollen and dust out of the house and keep the exchanger clean. MVHR works best in a home that is reasonably airtight: a new build, a deep retrofit with insulation and new windows, or a renovation where ceilings are coming down anyway.
New build or full renovation
Ducts go in at first fix before plasterboard, which is the cheapest and neatest time to fit MVHR.
Radial semi-rigid ducting
One small duct per valve from a manifold. Quieter and easier to balance than branched rigid duct in most homes.
Guide prices in Horsham
| Work | Guide price |
|---|---|
| Whole-home MVHR retrofit, 3 bedroom house (per home) | £7,100–£10,400 inc VAT |
| Whole-home MVHR retrofit, 4 to 5 bedroom house (per home) | £9,850–£15,350 inc VAT |
| MVHR in a new build or full renovation (fitted at first fix), 3 to 4 bedrooms (per home) | £5,450–£8,750 inc VAT |
These ranges use our South East rates. Prices include VAT at 20%. You get a fixed written price before any work is booked.
Common reasons people call
- You are insulating, re-windowing or making the house more airtight
- A new build or extension where the SAP or building control needs a ventilation system
- Stale air or cooking smells that hang around
Rules that apply in England
English building work follows Approved Document F (2021 edition) for ventilation rates, installation and commissioning. For homes, it sets minimum extract rates such as 15 litres a second for a bathroom and 30 or 60 for a kitchen, and expects mechanical systems to be airflow-tested.
Questions from Horsham
Is the survey free in Horsham?
For new installations on the UK mainland, yes. The survey is free and the quote that follows is fixed and in writing. Servicing, testing and repair visits are charged, and we confirm the cost before booking.
Do I keep my trickle vents with MVHR?
No. Under Approved Document F, background ventilators should not be installed with a whole-home MVHR system, so we advise closing or removing them once the system is commissioned.
How often does MVHR need servicing?
Filters usually need changing every 6 to 12 months, and a full service with a clean and airflow check once a year keeps the system efficient. Clogged filters are the most common reason MVHR stops working properly.
How do I get a price for MVHR in Horsham?
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.
What area around Horsham do you work in?
All of West Sussex. Near Horsham that includes Broadfield, Crawley, Cranleigh and Horley.
Ask for a Horsham survey slot and we will bring a room-by-room design and a fixed quote.
MVHR near Horsham
More services in Horsham
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.