Air Conditioning Castle Hill
Castle Hill and the Hills District Air Conditioning Service and Installation
GAM Air Conditioning have been installing and servicing AC in The Hills and Castle Hill since 1992

Looking for an air conditioning service and installation expert in the Hills District? GAM Air Conditioning’s team guarantees the comfort and efficiency of your home or business.
GAM Air Conditioning has been in business for more than 50 years. We are THE trusted name for residential and commercial air conditioning in Castle Hill and the Hills District.
Why Choose GAM Air Conditioning?
At GAM Air Conditioning, we understand the unique climate challenges of Sydney’s North-West. The region experiences a humid subtropical climate, characterised by hot summers and mild winters (Hills Weather Statistics).
With such variable weather conditions, having an efficient air conditioning system is essential. Our team provides:
- Expert Installation: Ensuring your system is set up correctly for maximum efficiency and longevity.
- Ongoing Maintenance: Regular servicing to keep your system running smoothly and prevent unexpected breakdowns.
- Repair of Trusted Brands: Skilled repairs for air conditioning units from leading manufacturers.
- Customised Customer Service: Tailored solutions to meet your specific needs and preferences.
- Reasonable Rates: Great prices without lowering quality.
Fast and Reliable Service for Homes, Businesses, and Schools
At GAM Air Conditioning, we pride ourselves on delivering fast and efficient service to our Hills District customers. Our team is ready to help, whether you need an urgent repair, a new system installation, or routine maintenance. We know delays can be costly and annoying, so we put being on time and providing great service first.
We cater to both residential and commercial clients, providing air conditioning solutions for:
- Homes and apartments: Ensuring year-round comfort for families.
- Offices and retail spaces: Creating a comfortable working and shopping environment.
- Schools and educational institutions: Providing climate control for classrooms and staff areas.
- Restaurants and climate-controlled businesses: Ensuring optimal indoor conditions for patrons and staff.
Our technicians can respond to both emergency repairs and scheduled maintenance. No matter how large or small, difficult or routine the job, we deliver the best service in the area for your home or business.
Air Conditioning Solutions Tailored to Castle Hill and the Hills District
A new installation or repairing an existing unit? Our team at GAM Air Conditioning has the expertise to help. Our air conditioning and installation service will keep your home or business comfortable all year.
Trusted Brands
To guarantee reliability and performance, we partner with Australia’s leading air conditioning brands, including:
- Actron Air
- Daikin
- Fujitsu
- Mitsubishi Electric
They’re market leaders, known for being durable and energy-saving, with great climate control options.
Full Air Conditioning Services in Castle Hill and the Hills District
Our range of services is designed to meet all your air conditioning needs:
1. New Installations
Planning a new build, renovation, or commercial upgrade? Our team provides seamless air conditioning service and installation.
We conduct on-site evaluations to recommend the best system for your needs, ensuring energy efficiency and optimal performance.
2. Repairs and Maintenance
Regular maintenance is essential to keep your air conditioning system operating at its best. Issues like reduced cooling, strange noises, or high energy bills, can point to a problem. Our expert team can help. We provide fast and reliable repairs.
We provide Sydney’s most effective and thorough cleaning and system checks to prevent potential problems before they start.
3. System Upgrades
Older air conditioning systems can be inefficient and costly to run. Upgrading to a modern unit can reduce electricity bills while providing excellent climate control. We can assess your current setup and recommend a system that suits your budget and requirements.
The Benefits of Experienced Air Conditioning Installation
GAM Air Conditioning experience with air conditioning installation in the Hills and surrounding areas has a lot of advantages:
- Optimised Performance: Proper system setup ensures efficient operation and extends the life of your unit.
- Energy Efficiency: Correct installation reduces energy consumption, lowering your electricity bills.
- Reliable Operation: Experienced installation reduces the risk of common issues caused by incorrect setup.
- Manufacturer Warranty Compliance: Following installation guidelines maintains your system’s warranty coverage.
Our Commitment to Customer Service and Satisfaction
As a family owned and operated business, GAM Air Conditioning prides itself on delivering exceptional service to our clients. We turn up on time and provide great results. We stand by our work with a 100% satisfaction guarantee, ensuring that our customers receive the highest quality service.
What Our Customers Say
Our reviews from happy customers speak for themselves! Here’s one of the many positive reviews we’ve received:
“I would highly recommend GAM Air Conditioning. Their service was excellent! The team were friendly, punctual, and reliable. What a polite team! I would have no hesitation in using them again.” (Gam Air Conditioning)
Book Your Free Air Conditioning Installation Quote
Looking for an air conditioning service and installation in Castle Hill or throughout the Hills, GAM Air Conditioning? GAM can help. We can provide on-site evaluations, and give you a solution for your cooling and heating needs.
Call us today at 02 8747 0049 to arrange your FREE AIR CONDITIONING INSTALLATION QUOTE.
You can trust GAM Air Conditioning – we keep Castle Hill and surrounding areas comfortable all year round.

Areas We Serve
EXCELLENT Based on 389 reviews Donna Fenech2025-05-14Trustindex verifies that the original source of the review is Google. Mick was polite, professional, good communication and answered all our questions from initial contact and whilst doing repair for our split system. System working again so thanks Mick and Domenico MrIluvoz2025-04-09Trustindex verifies that the original source of the review is Google. Local. Reliable. Knowledgeable. Professional. Those qualities and more describe GAM Air Conditioning, sourcing a replacement grill for our reverse cycle Fujitsu when everyone else told us to replace our 20-year old unit. Bobbie & Bella2025-04-02Trustindex verifies that the original source of the review is Google. Mick, Gary and team were very professional in taking this job from when they came to do the quote to installation day. They are neat and clean and made sure every step is explained before execution. The finished product is seamless. I will no doubt recommend them for AC installation and service. Thank you, guys! Ellen Grace2025-03-18Trustindex verifies that the original source of the review is Google. Shout out to Sev! Cleaned two of my Aircons could smell and feel the difference straight away. He cleaned the work space, put my furniture back where it was. Already recommended GAM to my 3 daughters. See you in 6mths. 🫡😊 Jimmy James2025-03-09Trustindex verifies that the original source of the review is Google. Mick and the team at GAM were fantastic! They did a top-notch job installing our air con—super professional, efficient, and made the whole process really easy. We really appreciated how they didn’t just finish the job and leave; they made sure everything was working perfectly and that we were all sorted before they wrapped up, as well as after the installation. It’s rare to find such great service these days, but these guys nailed it. Highly recommend! Alex Pazman2025-02-24Trustindex verifies that the original source of the review is Google. Mick and his team have done a perfect job for me installing air cond in a small double brick music room very professional clean tidy perfect thanks Anna Crichton2025-02-21Trustindex verifies that the original source of the review is Google. The guys at GAM Air Conditioning were incredible. I could not recommend them more. After having some major issues with the air conditioning and it not being a quick or easy fix, they were life savers. Incredibly friendly, helpful and did an amazing job. Andrew Bishay2025-02-12Trustindex verifies that the original source of the review is Google. From the first point of contact, GAM Air-conditioning had excellent communication. Their service, punctuality and install quality was top tier. These guys are experts in what they do. They were hired to clean existing split systems and install a new ducted system. I highly recommend them if you're looking for anything air-condition related. Taggart Veloso2025-02-05Trustindex verifies that the original source of the review is Google. Mick and his team are absolute legends! Made a phone inquiry at 10 in the morning, and by mid afternoon the same day, they were at our front doorstep to sort out our air conditioner situation. Mick over the phone was friendly and definitely a professional by already suggesting possible solutions for the situation which turned out to be spot on when his team arrived and actually fixed the problem. We absolutely recommend Mick and his company GAM Air Conditioning Installation & Repair Service for all your cooling, heating, maintenance and/or repair needs! These guys are 100% as advertised! We will be returning customers for sure!
What our Customer Say.
Testimonials
Why Choose Us?

Customised Service
Other air conditioning companies are installers only with package deals on what's included. We prefer to provide customised service determined by services needed.

Reasonable Rates
When it comes to air conditioning, we ensure that your price is fair. Whether you need a residential installation or a commercial maintenance check, we keep the pricing affordable.

Easy AC Solution
We think outside of the box to solve issues others won't. With us, we make the process easy so that you can have peace of mind. Our air conditioning solutions are practical but efficient.
We Work With
Trusted Brands.



