Our installation quotes are free and take around 1 hour to complete. A representative of True Air Systems will attend your home and assess your options in terms of system type, capacity, suitability and lead time. We will then send you a detailed quotation and can discuss your requirements further once you have received our proposal.
RESIDENTIAL AIR CONDITIONING IN CASTLE HILL
We provide a range of Air Conditioning Services in Castle Hill for Residential and Commercial applications:
- Air Conditioning Design and Installation
- Residential Air Conditioning Services
- New Home Builds
- Existing Homes
- Breakdowns & Repairs
- Brands: Actron Air, Panasonic, Daikin, Kaden, Mitsubishi Electric, Fujitsu

Call us for a free quote!
Residential
We provide quality residential air solutions to suit your needs and lifestyle.
Commercial
We offer an extensive range of commercial air services to suit your business
Service & Mentainance
We are proud to provide routine service & maintenance programs for our customers.
With more than 16 years’ experience in Air Conditioning, HVAC and Mechanical Building Services in the Castle Hill Area, True Air Systems are the trusted choice when it comes to Air Conditioning solutions in Castle Hill and Western Sydney.
Our commitment to your comfort, eye for efficiency and a passion for providing sustainable air solutions, we’re passionate about providing our customers with a one-stop solution for their residential, commercial & industrial air conditioning needs.
Whether you engage our services for a newly built home or an existing home, we can create tailor made air solutions to suit the requirements of both your home and your lifestyle using only the best brands on the market from Actron Air, Panasonic and more.
Our wide range of services from installations & commissioning through to annual life-cycle reporting, and asset management mean there’s never a need to contact multiple companies to manage your air solutions.
We do it all – Saving you time, hassle & money.
We are certified HVAC technicians and electricians conforming to building codes AS1668 (use of Air Conditioning & Ventilation in Buildings), AS3666 (Air Handling and Water Systems), AS3000 (Electrical Installations and Wiring), DA19 (HVAC&R Maintenance Standards).
Unlike other air conditioning companies, we can also provide services in regards to filtration and hygiene such as microbial growth, as well as simple air filtration systems and ventilation.
Another point of difference that True Air Systems can offer is assistance with AFSS (Annual Fire Safety Statements) testing, with experience in smoke extraction systems.
All of our work is backed by a 2 Year Warranty on new installations, and 3 Year Warranty for contracted customers – Giving you complete peace of mind on your new Air Conditioning & HVAC Installation.
Our approach is to keep it simple, give us a call today for a free quote.
COMMERCIAL HVAC & AIR CONDITIONING SERVICES IN CASTLE HILL

- Commercial Projects
- Offices
- Industrial
- Venues
- Hospitality
- Programmed Preventative Maintenance (PPM)
- Data Centres
- Filtration and Hygiene (HVAC Cleaning)
We build a complete picture of your assets and manage them so you don’t have to worry, we are heavily KPI and customer satisfaction focused, our safety systems are certified and go beyond industry standards.
MECHANICAL BUILDING SERVICES IN CASTLE HILL
- 24/7 Service
- PPM Contracts
- Dedicated Account Managers
- Asset Management
- Compliance
- AFSS Fire Testing

WHY CHOOSE US FOR YOUR AIR CONDITIONING & HVAC REQUIREMENTS?

- Nothing is too hard or too easy.
- We are meticulously focused on meeting deadlines.
- We are clear in our reporting and have strong systems to back us up.
- Safety is paramount.
- We have a strong network of highly-proficient sub-contractors (cranes, electricians, plumbers, carpenters etc) for more complex requirements.
- We are friendly, open and energetic.
- Our clients are always put first.
What Our Clients Say
"What a great experience! I called True Air quite frazzled as I needed someone to attend to a broken air con, in extreme heat at my rental property. True Air made us a priority and went out the very next day and fixed the Air conditioner. Thank you so much for the great customer services and efficiency."
Frequently Asked Questions
No. True Air Systems are specialised Air Conditioning technicians proficient in the servicing and maintenance of many different brands and system types. We can guarantee same day service for breakdowns, please call 0402 657 160 if you have an emergency.
Our normal hours are 8am – 4pm weekdays and we are available 24/7 for emergencies, including weekends.
No, we can supply and install. In fact, this option is recommended so we can ensure you have the correct capacity and system type for your property or premises. Please call and enquire about our onsite quotations.
We work all over metropolitan Sydney, and in regional & rural areas should it be required. Please ask us about our travel rates outside of Sydney.
We supply Mitsubishi Electric, Actron Air, Hitachi, Temperzone, Brivis Heaters and Daikin systems.
We provide 24 months warranty with our installations and can provide an extended warranty package which includes servicing.
We offer Credit card, PayPal, EFT, Customised payment plans tailored to suit you.
Yes, all repairs are carried out on site by a licensed technician/electrician. In very extreme cases, mostly commercial we may need to remove the system from site and conduct repairs at True Air HQ.
Yes, we have many commercial clients spanning various sectors including: pubs, hotels, restaurants, high rise buildings, gyms, commercial real estates.
We can supply spare parts for all heating and cooling systems. We are partnered with many different suppliers across Sydney, Wollongong, Newcastle and Bathurst.
Yes. We are a fully licensed electrical provider, however we do not hold a level 2 licence or above.
No, we aren’t the cheapest as we tend to work with quality products that will last long past the warranty period, we give 2 years warranty to our customers to provide value for money. Our technicians are also the best in the business.
Value for money and quality service has always been our goal, our technicians are highly experienced and always put the customer first. We are accountable for our workmanship and that reflects in our commitment to a longer-term warranty period than other companies.
Air Conditioning systems can be dangerous if installed incorrectly, using inferior products. Risks include electrical fire, pipes bursting, water damage and serious environment impacts. We have qualified air conditioning technicians and electricians working directly for us, we do not contract these works out to other companies as we feel it can impact the quality of our product.