PJ Refrigeration and Airconditioning

Installation

Air Conditioning Installation

Residential and commercial air conditioning installation across the Sunshine Coast — from single split systems to full ducted and VRV/VRF commercial builds. Correct sizing, professional commissioning and systems that last.

What we install

Systems for every space

From a single bedroom split to a full commercial ducted build — we specify and install the right system for the job.

Split Systems

Single split-system air conditioners for individual rooms — quiet, efficient and quick to install.

Multi-Split Systems

Multiple indoor units connected to one outdoor condenser, giving you zone control across several rooms.

Ducted Reverse Cycle

Whole-home or whole-building ducted systems with zoned temperature control for year-round comfort.

VRV / VRF Systems

Variable refrigerant volume systems for larger commercial applications requiring simultaneous heating and cooling across many zones.

Residential Installations

  • Split system installation for homes and units
  • Multi-split systems for multiple rooms
  • Ducted reverse cycle for whole-home comfort
  • High-wall, cassette and floor-mounted options
  • Replacement of old or failed systems
  • New build and renovation installations

Commercial Installations

  • Ducted and VRV/VRF systems for offices and retail
  • High-rise and apartment tower installations
  • Chilled water systems for larger buildings
  • Precision environments — surgeries, data centres, clean rooms
  • Acoustic-rated systems for noise-sensitive spaces
  • Custom bulkhead and linear grille architectural finishes

Correct System Sizing & Selection

The most common problem with air conditioning installations isn't the brand — it's the size. An oversized system short-cycles, never properly dehumidifies, and wears out faster. An undersized system runs constantly, struggles to reach set temperature, and chews through power.

We take the time to assess your space properly — room volume, ceiling height, insulation, window size and orientation, sun exposure, occupancy and usage patterns — before recommending a system. The result is an air conditioner that runs efficiently, lasts longer and actually does the job you bought it to do.

Our Process

Professional installation, start to finish

1

System Sizing & Selection

We assess your space, insulation, window exposure and usage patterns to recommend the right capacity and system type — not oversized, not undersized.

2

Mounting & Pipework

Indoor and outdoor units are mounted to manufacturer specifications, with refrigerant pipework routed neatly and insulated to prevent energy loss.

3

Drainage

Condensate drainage is installed and tested to prevent water damage and mould growth — a common failure point in poor installations.

4

Electrical Coordination

We coordinate electrical requirements with licensed electricians where applicable, ensuring your installation meets all electrical and building codes.

5

Commissioning

Every system is pressure-tested, vacuumed, charged to manufacturer specs and commissioned with a full performance check before we leave.

6

Handover & Walkthrough

We walk you through system operation, timer settings, filter care and maintenance scheduling so you get the most from your investment.

Electrical, Drainage & Commissioning

A proper installation is more than bolting a unit to a wall. Refrigerant pipework must be correctly sized, flared and insulated. Condensate drainage must be pitched and tested to prevent water backing up into your ceiling or walls. Electrical supply must meet the system's load requirements and comply with current wiring standards.

We coordinate with licensed electricians where a dedicated circuit or switchboard upgrade is needed, and every system is fully commissioned — pressure-tested, vacuumed, refrigerant charged to manufacturer specs, and performance-verified — before we hand it over.

Energy Efficiency

Installed to run efficiently from day one

  • Correct system sizing prevents short-cycling and wasted energy
  • Inverter technology reduces power consumption by adjusting output to demand
  • Zoned ducted systems let you heat or cool only the rooms you're using
  • Proper insulation on refrigerant lines minimises thermal loss
  • Programmable timers and smart controls optimise running schedules

Ready for a new air conditioning system?

Get a free, no-obligation installation quote — we'll help you choose the right system for your space and budget.