Commercial ventilation in Limavady
Commercial ventilation for businesses in Limavady — surveyed, designed and priced in writing before any work starts.
- Free site survey and fixed written quote
- Equipment, positions and price set out in writing
- Work planned around your opening hours
How much does commercial ventilation cost in Limavady?
Budget roughly £2,695–£22,500 per system ex VAT in Limavady. For a typical job — supply and extract for a 150 m² office — expect £6,395–£15,195 plus VAT. The fixed price follows a free survey.
Commercial ventilation brings outdoor air into a building and removes stale air, using fans and ductwork to supply and extract air at the rates needed for the number of people and the activity.
Working in Limavady
Limavady is a smaller town in County Londonderry, with independent shops, offices, surgeries, pubs and local business units.
We cover every Limavady postcode, including BT49. Neighbouring towns we cover include Coleraine, Derry and Magherafelt. Commercial ventilation in Limavady is priced from a written specification that lists the equipment, positions, controls and commissioning.
What we do
- Fresh-air rate calculation for each space
- Supply and extract fans, ductwork and grilles
- Filters, attenuators and fire dampers where required
- Controls such as timers or CO2 sensors
- Air-flow measurement and balancing
Commercial ventilation prices in Limavady
Guide prices for Limavady, set for Northern Ireland. Your fixed price comes in writing.
| Item | Guide price (ex VAT) | Inc VAT | Basis |
|---|---|---|---|
| Toilet or kitchenette extract | £455–£1,350 | £546–£1,620 | per room |
| Supply and extract system, small premises | £2,695–£9,150 | £3,234–£10,980 | per system |
| CO2 demand control | £365–£1,150 | £438–£1,380 | per zone |
| Ductwork | £60–£180 | £72–£216 | per metre |
Ex VAT. Larger systems and fire-rated ductwork are priced from a full design.
The steps for a project in Limavady
Assess
We work out how many people use each space and the fresh-air rate needed.
Design
Fan, duct and grille sizes are designed for air flow, noise and energy use.
Install
Ductwork and fans are installed and connected to controls. In Limavady we agree timings around your opening hours.
Balance
Air flows are measured and balanced to the design.
Things to check in Limavady
Heat recovery
Bringing in cold air in winter costs energy. Heat recovery units reclaim much of it.
Conservation areas
Historic streets and listed buildings in and around Limavady are more likely to need planning permission for outdoor units on visible elevations. We check with the council's planning service before work is booked.
Fire
Ducts passing through fire-rated walls or floors need fire dampers.
Leased premises
If your Limavady premises are leased, the landlord's written consent is usually needed for external units, wall penetrations and roof access. We provide drawings and data sheets for the request.
Typical premises in Limavady
- Restaurants and cafés: dining rooms that stay comfortable next to a hot kitchen and a busy service.
- Healthcare and dental: clean, quiet cooling for surgeries, clinics, dental practices and care settings.
- Schools and education: classroom cooling, ventilation and IT room cooling, installed in the holidays.
- Salons and spas: comfortable salons and treatment rooms despite dryers, lamps and steam.
Compliance in Northern Ireland: refrigerant work falls under EU F-gas rules that apply in Northern Ireland, and buildings with more than 12 kW of air conditioning in total need a periodic energy inspection (often called TM44).
Common questions from businesses in Limavady
How much does commercial ventilation cost in Limavady?
Guide prices in Limavady run from about £2,695 to £22,500 per system, plus VAT. A typical job (supply and extract for a 150 m² office) costs £6,395–£15,195 plus VAT. We fix the price in writing after a free survey.
Do you also cover Coleraine, Derry and Magherafelt?
Yes. Alongside Limavady, we also cover Coleraine, Derry and Magherafelt. Each has its own page with local guide prices.
Which postcodes do you cover in Limavady?
All of them, including BT49. Give us your postcode when you enquire and we will confirm the visit details.
How much fresh air does an office need?
Guidance for offices is typically around 10 litres per second per person, with more for rooms with higher pollutant loads. We calculate it per space.
Does air conditioning provide fresh air?
No. Most air conditioning recirculates room air. Fresh air needs a ventilation system or openable windows.
Get a guide price for Limavady
Free survey and fixed written quote. We reply with a guide price or to book the survey.