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Engineer fitting a concealed ducted air conditioning unit above an open ceiling with slot diffusers

Ducted air conditioning in West Sussex

Cooling and heating for offices, shops and hospitality venues in West Sussex, with a free site survey and a fixed written quote.

  • Free site survey and fixed written quote
  • Unit sizes, refrigerant and price set out in writing
  • Work planned around your opening hours

How much does ducted air conditioning cost in West Sussex?

In West Sussex, guide prices run from about £3,950 to £9,150 per ducted zone, plus VAT. A typical job (reception or boardroom with one ducted zone) usually comes to £4,550–£9,150 plus VAT. Your exact price is fixed in writing once we have surveyed.

Ducted air conditioning uses an indoor unit hidden in the ceiling void or a plant space, connected by ductwork to grilles or slot diffusers in the room.

Working in West Sussex

We cover all of West Sussex, including Crawley, Worthing, Bognor Regis, Littlehampton and Horsham. Wherever your premises are, the survey, quote and installation follow the same steps.

Postcode districts we cover include BN5, BN14, BN42, BN99, PO10, PO22, RH14 and RH77. In West Sussex we work with offices, shops and hospitality premises, from a single room to a whole floor; each job starts with a heat load check rather than a guess from the floor area.

Included as standard

  • Survey of void depth and duct routes
  • Supply and return ductwork, plenums and grilles
  • Access panel for servicing
  • Pipework, condensate and controls
  • Air-flow balancing and commissioning

Prices in West Sussex

Prices below include our regional adjustment for the South East (15% above the UK guide).

Ducted AC guide prices, West Sussex
ItemGuide price (ex VAT)Inc VATBasis
Low-profile ducted unit (up to about 7 kW)£3,950–£6,850£4,740–£8,220per zone
Medium static ducted unit (7–14 kW)£5,695–£9,150£6,834–£10,980per zone
Linear slot diffuser£165–£455£198–£546per metre
Access panel and ceiling making good£165–£570£198–£684per unit

Ex VAT, supply and install including standard ductwork.

How it works in West Sussex

  1. Survey and route

    We check void depths and plan routes for supply and return ductwork. For sites in West Sussex we confirm access and parking beforehand.

  2. Design the air side

    Grille sizes and positions are chosen for even air flow and low noise.

  3. Install unit and ducts

    The unit is hung with access for servicing; ductwork and grilles are fitted.

  4. Balance and commission

    Air flows are measured and balanced, then the system is commissioned.

Local points to consider

Void depth

Low-profile ducted units can fit voids of around 250 mm, but ductwork adds depth. We measure the route as well as the unit position.

Access and parking

Town-centre jobs in West Sussex 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.

Return air

Every ducted unit needs a return air path; we design it rather than rely on gaps under doors.

Conservation areas

Historic streets and listed buildings in and around West Sussex are more likely to need planning permission for outdoor units on visible elevations. We check with the local planning authority before work is booked.

Who we work with in West Sussex

Two rules matter for most businesses in England: GB F-gas rules (leak checks from 5 tonnes CO2e) and the periodic energy inspection for more than 12 kW of air conditioning.

Your questions answered

How much does ducted air conditioning cost in West Sussex?

Guide prices in West Sussex run from about £3,950 to £9,150 per ducted zone, plus VAT. A typical job (reception or boardroom with one ducted zone) costs £4,550–£9,150 plus VAT. We fix the price in writing after a free survey.

Do you also cover East Sussex, Surrey and Hampshire?

Yes. Alongside West Sussex, we also cover East Sussex, Surrey and Hampshire. Each has its own page with local guide prices.

Can one ducted unit serve several rooms?

It can, but every room then shares one thermostat. Rooms with different uses are better on separate units or zones.

Can ducted units bring in fresh air?

Some ducted units can accept a fresh-air connection; in other cases ventilation is provided separately.

Talk to us about your premises in West Sussex

Free survey and fixed written quote. We reply with a guide price or to book the survey.

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