AC Installation
AC Installation Guide: Choosing, Process, Tips & Cost Reference
AC Installation Guide: Choosing, Process, Tips & Cost Reference
Installing air conditioning is a major decision for Hong Kong homes. This guide covers everything you need to know.
Choosing the Right AC
Type Selection
- Window units - Budget-friendly, simple installation
- Split units - Quieter, better cooling, more expensive
- Ceiling cassette - Best for open spaces, requires false ceiling
Capacity (BTU/HP)
Match your room size:
- 100 sq ft: 1 HP
- 200 sq ft: 1.5-2 HP
- 300 sq ft: 2-2.5 HP
Installation Process
- Site inspection
- Quote confirmation
- Unit delivery
- Mounting and piping
- Vacuum pumping
- Testing
Cost Reference
| Item | Price Range |
|---|---|
| Window unit install | $400-800 |
| Split unit (standard) | $800-1500 |
| Split unit (complex) | $1500-3000+ |
| Extra piping (per ft) | $50-100 |
Related Services
Need Service for This Issue?
What to do next?
After reading the guide, you can move straight to service pages, shop reference prices or a WhatsApp quote.
AC repair service
For weak cooling, leaking, tripping or unusual noise, review the on-site inspection and quote process.
AC cleaning quote
Useful for weak airflow, mold smell and dusty indoor units before arranging deep cleaning.
AC shop reference prices
Compare window, split and inverter AC models, then ask on WhatsApp about installation costs.
AC project cases
View real cases by district, service type and AC issue before booking.
When to Call a Technician
- The AC keeps leaking, is not cooling, trips the breaker, or makes unusual noise
- The issue continues after cleaning the filter
- The outdoor unit freezes, copper pipe leaks, or refrigerant may be low
- The problem affects ceilings, walls, power points, or a commercial AC system
Send Photos for a Quote
Send us photos or a short video of the AC issue. We can assess the likely cause and provide a clearer quote before visiting.