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Two engineers lifting a ceiling cassette air conditioning unit into a suspended ceiling grid

Commercial air conditioning installation in Winchester

Cooling and heating for offices, shops and hospitality venues in Winchester, 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 commercial air conditioning installation cost in Winchester?

Budget roughly £2,250–£5,450 per indoor unit (zone) ex VAT in Winchester. For a typical job — small shop or office, 2–4 indoor units — expect £5,695–£18,995 plus VAT. Your exact price is fixed in writing once we have surveyed.

Commercial air conditioning installation is the design, supply, fitting and commissioning of a cooling (and usually heating) system for a business premises.

Covering Winchester and nearby

Businesses in Winchester range from independent shops and restaurants to offices, clinics and warehouses. Southampton is about 19 km away.

We work across Winchester's postcode districts, including SO23 and SO25. We also work in nearby Eastleigh, Southampton and Totton. We plan installations in Winchester so the noisy work — core drilling, ceiling access, lifting plant — happens when it disturbs your business least.

What the job covers

  • Site survey and heat load calculation
  • System and unit selection with a clear written specification
  • Pressure testing, evacuation and charging
  • Commissioning, controls set-up and a handover walk-through
  • F-gas records, labelling and commissioning certificates

Guide prices in Winchester

These guide prices are adjusted for the South East, where labour and access costs run about 15% above the UK guide.

AC installation guide prices, Winchester
ItemGuide price (ex VAT)Inc VATBasis
Single wall-mounted split (2.5–7 kW)£1,650–£3,395£1,980–£4,074per system
Ceiling cassette£2,450–£5,695£2,940–£6,834per unit
Multi-split, 2–4 indoor units£3,950–£11,450£4,740–£13,740per system
Ducted indoor unit with grilles£3,950–£9,150£4,740–£10,980per unit
Electrical supply and isolator£280–£915£336–£1,098per system

Ex VAT, supply and install, standard access and up to about 5 m of pipework per unit.

How we work in Winchester

  1. Survey

    We measure the space, check the ceiling void, wall construction, glazing and occupancy, and agree where indoor and outdoor units can go.

  2. Design and quote

    You get a written specification with unit sizes, positions, pipe routes and a fixed price — plus any planning, landlord or noise points to resolve first.

  3. First fix

    Pipework, cabling and condensate runs go in, usually above ceilings or in neat trunking, before the units are hung. In Winchester we agree timings around your opening hours.

  4. Install and test

    Indoor and outdoor units are fitted, the system is pressure tested with nitrogen, evacuated and charged with refrigerant.

  5. Commission and hand over

    We set up controls, check air flows and temperatures, show your team how to use it and hand over the F-gas and commissioning paperwork.

Before you book in Winchester

Power

Larger systems need a dedicated supply from the distribution board. We check capacity at survey so there are no surprises on install day.

Leased premises

If your Winchester 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.

Landlord consent

Most commercial leases need the landlord's written consent before external units or wall penetrations go in. We can provide drawings and unit data sheets for the request.

Conservation areas

Historic streets and listed buildings in and around Winchester 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 Winchester

  • Retail and shops: comfortable shop floors, stockrooms and entrances, even with the door open.

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.

FAQs for Winchester

How much does commercial air conditioning installation cost in Winchester?

Guide prices in Winchester run from about £2,250 to £5,450 per indoor unit (zone), plus VAT. A typical job (small shop or office, 2–4 indoor units) costs £5,695–£18,995 plus VAT. We fix the price in writing after a free survey.

Do you also cover Eastleigh, Southampton and Totton?

Yes. Alongside Winchester, we also cover Eastleigh, Southampton and Totton. Each has its own page with local guide prices.

Which postcodes do you cover in Winchester?

All of them, including SO23 and SO25. Give us your postcode when you enquire and we will confirm the visit details.

Will the system heat as well as cool?

Almost all modern commercial air conditioning is a heat pump that can heat as well as cool. Many businesses use it as their main heating in spring and autumn.

Is the survey free?

Yes. The site survey and written quote for a new installation are free and there is no obligation to go ahead.

Talk to us about your premises in Winchester

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

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