Air Conditioning Installation
Expert installation of split systems, ducted and multi-head units. We size and position every system for maximum comfort and efficiency in your space.
Castle Hill, NSW
Your Local Air Conditioning Experts
Professional installation, repairs, maintenance and HVAC services you can rely on — delivered by a friendly, experienced local team.
5-Star Google Rating Mon–Fri 8:30am–5:00pmCastle Hill & Surrounds
About Us
Keeping Castle Hill Cool & Comfortable
Delta Airconditioning Pty Ltd is a trusted local air conditioning company based in Castle Hill, NSW. We're committed to delivering reliable, high-quality HVAC solutions for homes and businesses across the Hills District.
From new installations to ongoing maintenance and urgent repairs, our experienced team is here to help you stay comfortable all year round.
- Locally owned and operated in Castle Hill
- Experienced, friendly technicians
- Installation, repairs, maintenance and more
- Quality equipment and genuine parts
What We Do
Our Services
From first installation to long-term care, Delta Airconditioning covers every aspect of your air conditioning needs.
Repairs & Maintenance
Fast, reliable repairs for all makes and models, plus scheduled maintenance plans to keep your system running at peak performance year-round.
HVAC Inspections & Upgrades
Comprehensive system inspections to identify issues early, plus upgrade solutions when your existing equipment is due for a modern replacement.
Equipment & Parts Sales
We supply quality air conditioning equipment and genuine parts so you can trust every component we install or recommend.
Where We Work
Areas We Service
We currently service the following areas. Contact us to confirm availability in your location.
Castle Hill
Check Availability — 02 9634 7177What Customers Say
Customer Reviews
5.0 — Based on 2 Google Reviews
“Excellent service from start to finish. The team at Delta Airconditioning were professional, friendly and got the job done quickly. Highly recommended!”
“Very happy with the installation. They explained everything clearly, were on time and the price was fair. Will definitely use them again.”
Get In Touch
Contact Us
Ready to book a service or have a question? Give us a call or fill in the form and we'll get back to you.
Get In Touch
- Phone
- 02 9634 7177
- Address
- 9/10 Gladstone Road
Castle Hill NSW 2154 - Business Hours
- Mon–Fri: 8:30am–5:00pm
- [Confirm details]