Installation, service and repair for homes and businesses across Melbourne Victoria. Licensed technicians, fixed pricing before we start, and a workmanship guarantee on every job.

Aqua Stream Cooling & Heating Services has been installing, servicing and repairing air conditioning systems across Melbourne Victoria for 30+ years. Every job is completed by our own licensed technicians, never outsourced to a subcontractor you have not met. That means the person who quotes your job is the same team that turns up to do it.
We quote a fixed price before any work begins, so the number you agree to is the number you pay. No hourly rates that blow out, no surprise charges once the job is underway. If we spot something extra while we are on site, we tell you first and you decide.
Residential air conditioning and commercial refrigeration across Melbourne Victoria.
Supply and installation of wall mounted split systems, sized correctly for the room rather than oversold.
Full ducted systems for new builds and retrofits, including zoning and controller setup.
Diagnostics and repair on all major brands. We identify the fault and quote before we proceed.
Swapping out old split and ducted systems for new, including removal and disposal of the old unit.
Installation, servicing and repair of coolrooms and freezer rooms, including door and seal replacement.
Gas heater changeovers and evaporative cooler replacements for year-round comfort.

Our team is made up of highly trained professionals with extensive experience in HVAC installation, repair, and energy-efficient solutions. We are dedicated to ensuring optimal performance and comfort for every client.
Certified Technicians
Cost-Effective Solutions
Quick response
Our HVAC team takes a tailored approach, working closely with you to understand your heating and cooling needs and create customised solutions. We stay updated with the latest HVAC technologies and best practices, ensuring efficient, reliable, and measurable results for your home or business.

We understand the importance of clarity and are here to provide answers to your most common queries.
It’s recommended to service your HVAC system at least twice a year. Once before summer for your air conditioning and once before winter for your heating system.
Common signs include unusual noises, inconsistent temperatures, higher energy bills, and poor airflow.
Yes, all our technicians are fully certified, licensed, and insured to provide professional and reliable HVAC services.
With proper maintenance, most HVAC systems last between 10 to 15 years, depending on usage and brand quality.
We operate Monday to Saturday, 7am to 5pm, with Sunday appointments by arrangement. Enquiries received outside these hours are answered the next business morning.
We install central air conditioning systems, ductless mini-splits, heat pumps, and furnaces, customized to fit your needs.
Regular maintenance, proper insulation, using energy-efficient equipment, and setting your thermostat to optimal temperatures can help reduce energy costs.
How can I improve the energy efficiency of my HVAC system?
Regular maintenance, cleaning/replacing filters, sealing ductwork, and upgrading to a programmable thermostat can significantly improve efficiency.
Tell us what you need and we will come back with a written quote, usually within one business day. No obligation.
Mon - Fri: 7:00 AM - 5:00 PM
Saturday: 7:00 AM - 5:00 PM
Sunday: Emergency Only

Installation, service and repair for homes and businesses across Melbourne Victoria. Licensed technicians, fixed pricing before we start, and a workmanship guarantee on every job.
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