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

Ducted air conditioning in St Albans

From a single room to a whole floor: ducted air conditioning in St Albans, 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 St Albans?

Our guide range in St Albans is £3,750–£8,595 per ducted zone before VAT; a typical job (reception or boardroom with one ducted zone) is £4,250–£8,595 plus VAT. You get a fixed written quote after the free survey.

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 St Albans

St Albans supports a mix of high-street retail, professional offices, hospitality and light industry. Watford is about 11 km away.

We cover every St Albans postcode, including AL1 and AL3. Neighbouring towns we cover include Harpenden, Hatfield and Hemel Hempstead. Ducted air conditioning in St Albans is priced from a written specification: unit sizes, positions, pipe routes, condensate, electrics, controls and commissioning are all listed.

What the job covers

  • Ducted unit selection by capacity and external static pressure
  • Supply and return ductwork, plenums and grilles
  • Access panel for servicing
  • Pipework, condensate and controls
  • Air-flow balancing and commissioning

Local guide prices for St Albans

Guide prices for St Albans, set for the East of England. Your fixed price comes in writing.

Ducted AC guide prices, St Albans
ItemGuide price (ex VAT)Inc VATBasis
Low-profile ducted unit (up to about 7 kW)£3,750–£6,450£4,500–£7,740per zone
Medium static ducted unit (7–14 kW)£5,350–£8,595£6,420–£10,314per zone
Linear slot diffuser£155–£425£186–£510per metre
Access panel and ceiling making good£155–£535£186–£642per unit

Ex VAT, supply and install including standard ductwork.

How it works in St Albans

  1. Survey and route

    We check void depths and plan routes for supply and return ductwork. For sites in St Albans 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.

Before you book in St Albans

Noise

Duct sizes and grille velocities are chosen to keep noise down in quiet rooms.

Access and parking

Town-centre jobs in St Albans 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.

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 St Albans 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.

Types of premises we cover in St Albans

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.

Your questions answered

How much does ducted air conditioning cost in St Albans?

Guide prices in St Albans run from about £3,750 to £8,595 per ducted zone, plus VAT. A typical job (reception or boardroom with one ducted zone) costs £4,250–£8,595 plus VAT. We fix the price in writing after a free survey.

Do you also cover Harpenden, Hatfield and Hemel Hempstead?

Yes. Alongside St Albans, we also cover Harpenden, Hatfield and Hemel Hempstead. Each has its own page with local guide prices.

Which postcodes do you cover in St Albans?

All of them, including AL1 and AL3. Give us your postcode when you enquire and we will confirm the visit details.

Is ducted air conditioning more expensive?

Usually a little more than a cassette of the same capacity, because of the ductwork, grilles and access panel. In return you get a much cleaner ceiling.

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 St Albans

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

CallGet a quote