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

Ducted air conditioning in Johnstone

From a single room to a whole floor: ducted air conditioning in Johnstone, planned around your trading hours.

  • 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 Johnstone?

Budget roughly £3,295–£7,650 per ducted zone ex VAT in Johnstone. For a typical job — reception or boardroom with one ducted zone — expect £3,795–£7,650 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.

Covering Johnstone and nearby

Most commercial premises in and around Johnstone are shops, offices, salons, pubs and small industrial units. Glasgow is about 17 km away.

We cover every Johnstone postcode, including PA5. We also cover Paisley, Barrhead and Erskine, all within easy reach of Johnstone. For ducted air conditioning in Johnstone, the survey looks at where the outdoor unit can go, how pipework will reach the indoor units and whether the electrical supply has capacity.

What the job covers

  • 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 Johnstone

These guide prices are adjusted for Scotland, where labour and access costs run about 4% below the UK guide.

Ducted AC guide prices, Johnstone
ItemGuide price (ex VAT)Inc VATBasis
Low-profile ducted unit (up to about 7 kW)£3,295–£5,695£3,954–£6,834per zone
Medium static ducted unit (7–14 kW)£4,750–£7,650£5,700–£9,180per zone
Linear slot diffuser£140–£380£168–£456per metre
Access panel and ceiling making good£140–£475£168–£570per unit

Ex VAT, supply and install including standard ductwork.

From enquiry to handover in Johnstone

  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. We keep work areas in Johnstone screened and tidy at the end of each day.

  4. Balance and commission

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

Points to plan for in Johnstone

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.

Working hours

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

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 Johnstone are more likely to need planning permission for outdoor units on visible elevations. We check with the local planning authority before work is booked.

Premises we work in around Johnstone

In Scotland, systems holding 5 tonnes CO2 equivalent of refrigerant or more fall under GB F-gas rules, with regular leak checks and records; systems with an effective output of 12 kW or more also need a periodic energy inspection.

FAQs for Johnstone

How much does ducted air conditioning cost in Johnstone?

Guide prices in Johnstone run from about £3,295 to £7,650 per ducted zone, plus VAT. A typical job (reception or boardroom with one ducted zone) costs £3,795–£7,650 plus VAT. We fix the price in writing after a free survey.

Do you also cover Paisley, Barrhead and Erskine?

Yes. Alongside Johnstone, we also cover Paisley, Barrhead and Erskine. Each has its own page with local guide prices.

Which postcodes do you cover in Johnstone?

All of them, including PA5. Give us your postcode when you enquire and we will confirm the visit details.

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.

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.

Talk to us about your premises in Johnstone

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

CallGet a quote