How Much Does AC Installation Cost in 2025?
Last updated: February 2026
Average cost in United Kingdom
Typical average: £2,250
Upload your quote for instant analysis
Air Conditioning Installation Cost by Country
| Country | Low | Average | High |
|---|---|---|---|
| 🇬🇧United Kingdom | £1,500 | £2,250 | £3,000 |
| 🇺🇸United States | $3,000 | $5,000 | $7,000 |
| 🇦🇺Australia | A$2,000 | A$3,500 | A$5,000 |
| 🇨🇦Canada | C$3,000 | C$5,000 | C$7,000 |
Air Conditioning Installation Cost Breakdown
| Item | 🇬🇧 UK | 🇺🇸 US |
|---|---|---|
| Single split system (supply + install) | £1,500-2,500 | $3,000-5,000 |
| Multi-split (2-3 rooms) | £3,000-5,000 | $5,000-9,000 |
| Ducted system | £5,000-10,000 | $8,000-15,000 |
| Portable AC unit | £300-600 | $300-700 |
What Affects Air Conditioning Installation Cost?
Prices vary significantly by region and provider. For more information about typical hvac pricing, see our HVAC invoice auditing page, or browse all cost guides.
Frequently Asked Questions
Rule of thumb: 100-150 BTU per square foot. A 150 sq ft room needs 15,000-22,500 BTU. Professional sizing considers insulation, windows, and sun exposure.
Yes, most modern split systems are heat pumps that provide both cooling and heating, making them cost-effective for year-round climate control.
A single split system takes 4-8 hours to install. Multi-split or ducted systems can take 2-3 days.
Related Cost Guides
Got a Quote for Air Conditioning Installation?
Upload your quote and our AI will check every line item against local market rates. Find out if you're being overcharged in 30 seconds.