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

Ducted air conditioning in Farnham

A free survey, a clear specification and a fixed price for ducted air conditioning in Farnham.

  • 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 Farnham?

In Farnham, 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.

Our coverage in Farnham

In Farnham, typical premises are high-street shops, offices above them, surgeries, salons and local industrial units. Woking is about 20 km away.

That includes premises in CM23, DT11, GU9, HG5 and IP17 and the surrounding districts. We also work in nearby Aldershot, Fleet and Farnborough. We plan installations in Farnham so the noisy work — core drilling, ceiling access, lifting plant — happens when it disturbs your business least.

What is included

  • 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

Guide prices in Farnham

Guide prices for Farnham, set for the South East. Your fixed price comes in writing.

Ducted AC guide prices, Farnham
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 Farnham

  1. Survey and route

    We check void depths and plan routes for supply and return ductwork.

  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. In Farnham we agree timings around your opening hours.

  4. Balance and commission

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

Points to plan for in Farnham

Return air

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

Working hours

Most Farnham businesses prefer noisy work outside trading hours. Early starts, evenings and weekends can be arranged and are priced up front.

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.

Leased premises

If your Farnham 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.

Who we work with in Farnham

In England, systems holding 5 tonnes CO2 equivalent of refrigerant or more fall under GB F-gas rules, with regular leak checks and records; buildings with more than 12 kW of air conditioning in total also need a periodic energy inspection.

Questions about ducted AC in Farnham

How much does ducted air conditioning cost in Farnham?

Guide prices in Farnham 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 Aldershot, Fleet and Farnborough?

Yes. Alongside Farnham, we also cover Aldershot, Fleet and Farnborough. Each has its own page with local guide prices.

Which postcodes do you cover in Farnham?

All of them, including CM23, DT11, GU9 and HG5. Give us your postcode when you enquire and we will confirm the visit details.

How much ceiling void is needed?

Low-profile units can work in around 250–300 mm, but the duct route often needs more. We measure at survey.

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.

Get a guide price for Farnham

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

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