Free Tool

Air Conditioning Installation Cost Calculator

Get a realistic installed cost estimate for a split system, based on your rooms, property and location — plus how it compares to running a portable AC instead.

Your setup
How many rooms do you want to cool?
Property type Affects outdoor unit access and typical pipe run length.
📍 Your postcode Installation labour costs vary by region — this personalises your estimate. We don't store it.
Which brand tier interests you?
When would you like it installed?
Your estimate
Estimated installed cost
£1,700–£2,300
Rooms
1
Region
UK average
Based on a mid-range brand, terraced property, single-zone system, in the UK average pricing region.

Split system vs portable AC — running cost

Split system
10p/hr
Portable AC
28p/hr

Over a typical 90-day cooling season (6 hrs/day), a split system could save you roughly £97 in electricity compared to an equivalent portable unit — before accounting for the split system's higher upfront cost.

Get free installation quotes

Compare quotes from F-Gas certified local installers based on the system you've just estimated.

Installed cost estimates based on current UK F-Gas installer market pricing, adjusted for room count, property access, region and brand tier. Running costs based on the October 2026 Ofgem rate of 26.32p/kWh, assuming typical inverter-system cycling rather than constant full-power operation. Actual costs vary by installer, exact system spec and property. This tool provides estimates only and is not a quote. See our full installation guide for what's involved.

📅 Rates last verified: September 2026 · Electricity 26.32p/kWh