Heat recovery ventilation (MVHR) in Caernarfon
A free survey, a clear specification and a fixed price for heat recovery ventilation in Caernarfon.
- Free site survey and fixed written quote
- Equipment, positions and price set out in writing
- Work planned around your opening hours
How much does heat recovery ventilation cost in Caernarfon?
Our guide range in Caernarfon is £4,695–£18,500 per unit installed before VAT; a typical job (heat recovery for a 100–200 m² office) is £6,595–£13,795 plus VAT. The fixed price follows a free survey.
Heat recovery ventilation (MVHR) supplies fresh air and extracts stale air through a unit with a heat exchanger, which transfers much of the heat from the outgoing air to the incoming air.
Covering Caernarfon and nearby
Caernarfon is a smaller town in Gwynedd, with independent shops, offices, surgeries, pubs and local business units.
We work across Caernarfon's postcode districts, including LL55. We also cover Bangor, Gwynedd, Holyhead and Llandudno, all within easy reach of Caernarfon. Heat recovery ventilation in Caernarfon is priced from a written specification that lists the equipment, positions, controls and commissioning.
What is included
- Heat recovery unit with filters and summer bypass
- Supply and extract ductwork and grilles
- Intake and exhaust terminals
- Controls with CO2 or time control
- Balancing and commissioning
Guide prices in Caernarfon
Prices below include our regional adjustment for Wales (5% below the UK guide).
| Item | Guide price (ex VAT) | Inc VAT | Basis |
|---|---|---|---|
| Ceiling-void heat recovery unit (small) | £4,695–£8,500 | £5,634–£10,200 | per unit |
| Floor-standing or roof unit (medium) | £8,500–£18,500 | £10,200–£22,200 | per unit |
| Filter change | £90–£235 | £108–£282 | per unit |
| Annual service | £185–£375 | £222–£450 | per unit |
Ex VAT, supply and install including standard ductwork.
From enquiry to handover in Caernarfon
Calculate
Fresh-air needs are calculated per room.
Select
A unit is chosen for air flow, efficiency and space.
Install
Unit, ductwork, terminals and controls are fitted. In Caernarfon we agree timings around your opening hours.
Balance
Supply and extract air flows are balanced and commissioned.
Things to check in Caernarfon
Space
Units need space in the ceiling void or a plant area with access for filter changes.
Conservation areas
Historic streets and listed buildings in and around Caernarfon are more likely to need planning permission for outdoor units on visible elevations. We check with the local planning authority before work is booked.
Summer bypass
A bypass avoids warming incoming air in summer.
Access and parking
Town-centre jobs in Caernarfon often come down to access — loading restrictions, parking for the van and getting equipment onto a roof. We check this at survey and plan deliveries around it.
Types of premises we cover in Caernarfon
- Hotels and hospitality: quiet bedroom units, public-area cooling and heat recovery for hotels.
- Schools and education: classroom cooling, ventilation and IT room cooling, installed in the holidays.
- Gyms and leisure: high-capacity cooling and fresh air for gym floors, studios and changing rooms.
Compliance in Wales: refrigerant work falls under GB F-gas rules, and buildings with more than 12 kW of air conditioning in total need a periodic energy inspection (often called TM44).
FAQs for Caernarfon
How much does heat recovery ventilation cost in Caernarfon?
Guide prices in Caernarfon run from about £4,695 to £18,500 per unit installed, plus VAT. A typical job (heat recovery for a 100–200 m² office) costs £6,595–£13,795 plus VAT. We fix the price in writing after a free survey.
Do you also cover Bangor, Gwynedd, Holyhead and Llandudno?
Yes. Alongside Caernarfon, we also cover Bangor, Gwynedd, Holyhead and Llandudno. Each has its own page with local guide prices.
Which postcodes do you cover in Caernarfon?
All of them, including LL55. Give us your postcode when you enquire and we will confirm the visit details.
How often do filters need changing?
Typically every three to six months, depending on the location and filter grade.
How efficient is heat recovery ventilation?
Commercial units commonly recover the majority of the heat in the extract air, depending on the unit type and conditions. We give the figures for the unit we propose.
Get a guide price for Caernarfon
Free survey and fixed written quote. We reply with a guide price or to book the survey.