Air Conditioning & Refrigeration


Air Conditioning systems for Home, Commercial or Industrial Requirements.

Sub Zero Air Conditioning  services Toowoomba & Warwick, offers sales, installation, service & repair of any unit in your home or workplace.

With an extensive range of air conditioning systems and services available, we make sure the system is the right one for you.

Sub Zero Air Conditioning and Installation abide by all Australian air conditioning and refrigeration standards to ensure licensed, quality guaranteed workmanship.

Service Areas

Brisbane, Ipswich, Toowoomba / Darling Downs, Warwick, Roma, Yarraman, Wallangarra,
most areas of South East Queensland

Air Conditioning Systems & Services

Residential Air Conditioning

Home Air Conditioning Installation & Climate solutions with reverse cycle, split-systems.

Commercial Air Conditioning

Retail Shop & Office Air Conditioning Installation reverse cycle, split-system, climate solutions.

Commercial Refrigeration

When you own a business with a priority to keep food or other products cold..

Industrial Air Conditioning

Climate Control for Shopping Centers & Factories.

air conditioning systems

MyAir Remote Control

With The MyAir App or Touchscreen Control, you control your entire air-conditioning system.

AC Maintenance

Residential, Commercial, Office or Industrial
air conditioning maintenance

AC Repairs

Residential, Commercial or Industrial
air conditioning repairs


The Mitsubishi Electric 2023 Winter Gift Card Campaign is now on!

This offer entitles our customers who purchase an eligible split or ducted air conditioning unit the opportunity to redeem a BONUS Gift Card.

Eligible purchases must be finalised by 31 July 2023 and all claims must have been submitted by 31 August 2023. Terms and conditions apply.

For more visit:



Enquire now for a FREE no obligation quote.

We supply and install all brands of wall mounted, split systems, ceiling mount or ducted air conditioning.

Freezing aussie winters make air conditioning systems a must!

Air conditioning circulates and filters the air and also removes pollutants and mold as well.

This is essential especially for those who suffer from allergies and asthma.

Whether at home or in the office, air conditioning makes our interior environments better to work & live in.

Need us for air conditioner install only?

AC Maintenance

Is your AC unit using more power than required?

The secret to air conditioners that work well is…


Some Frequently Asked Questions

I'm not sure on the type of air conditioner I need?

If you want your home cool in summer & warm in winter, a reverse cycle, inverter split system is the most popular type, depending on your situation. If you are unsure, give us a call – view more: residential-high-wall-split-system

I'm not sure on what size or capacity I need?
  • 2.6kw is suitable for rooms approx 10 – 25 sq meters
    3.5kw is suitable for rooms approx 25 – 35 sq meters
  • 5 – 6kw range is suitable for rooms approx 35 – 60 sq meters

Panasonic have an app that can help you calculate what size air conditioner you need:

What size or capacity of air conditioners is available?

Capacity of air conditioners is generally:

  • 2kW
  • 2.5kW
  • 3.5kW
  • 4.6kW
  • 5kW
  • 6kW
  • 7.1kW
  • 8.5kW
  • 9.4kW

 2Kw, 3.5Kw & 5Kw are the most popular sizes.

Is the installation work guaranteed?

All our work is guaranteed. When supplying units we recommend manufacture’s that have industry respect for reliability and efficiency such as daiken who have manufactured and sold air conditioners in Australia for more than 40 years.

How often should I clean my filters?

Depending on the environment or air purity, in a normal domestic situation once every season is adequate. In a commercial situation, once every month. Split systems need to be checked for blockages and cleanliness to reduce the likelihood of breakdown or transfer of bacteria – view more: ac-system-maintenance

What is an Inverter air conditioner?

Inverter air conditioners are more economical to operate and quieter to run than conventional units. They can handle wider extremes in temperature, are smoother and more stable in operation and reach the desired temperature more quickly than conventional air conditioners.

ac system install

AC Repair

Your air conditioner need repair?

If something isn’t right with heating or cooling we can to diagnose and repair the problem.