Nexa Air provides professional air conditioning and HVAC services across the Hills District of Sydney, delivering reliable installation, repairs, maintenance, and system upgrades for both residential and commercial properties. As a family-run business, we focus on honest advice, quality workmanship, and long-term comfort solutions tailored to your home or business.
We proudly service Kellyville, Bella Vista, Baulkham Hills, Castle Hill, Kenthurst, Norwest, and surrounding suburbs across the Hills District.
Expert Air Conditioning Installation in the Hills District
Whether you are building a new home or upgrading your existing system, Nexa Air specialises in high-quality air conditioning installations designed for Sydney’s climate.
We install:
- Ducted air conditioning systems
- Split system air conditioners
- Multi-split systems (Multihead Units)
- Energy-efficient inverter systems
- Cool rooms
- Ducted replacement
- Ventilation
- Split systems replacement
Our team ensures every installation is properly sized, professionally fitted, and optimised for energy efficiency and long-term performance.
Air Conditioning Repairs & Emergency Servicing
If your air conditioner is not cooling properly, making noise, leaking, or has stopped working, our experienced technicians provide fast and reliable repair services across the Hills District.
We diagnose and repair all major brands including:
- Daikin
- Mitsubishi Electric
- Fujitsu
- ActronAir
- Panasonic
- Midea
- Haier
We aim to restore your system quickly so your home or business stays comfortable all year round.
Preventative Maintenance & Servicing
Regular servicing is essential to maintain efficiency, reduce running costs, and extend the life of your air conditioning system.
Our maintenance services include:
- Full system inspection
- Filter cleaning and replacement
- Refrigerant level checks
- Electrical safety checks
- Performance testing
We offer scheduled maintenance plans for both residential and commercial clients across Kellyville, Bella Vista, Baulkham Hills, Castle Hill, Kenthurst, and Norwest. We also service all across Sydney.
Commercial HVAC Solutions
Nexa Air also provides advanced HVAC solutions for commercial and industrial properties in the Hills District.
We work with:
- Offices
- Retail stores
- Warehouses
- Medical centres
- Strata buildings
Our commercial services include:
- VRV/VRF system installation
- Mechanical ventilation systems
- HVAC upgrades and replacements
- Preventative maintenance contracts
We design systems that improve airflow, efficiency, and occupant comfort while reducing operational costs.
Areas We Service
We proudly provide air conditioning and HVAC services across:
- Kellyville
- Bella Vista
- Baulkham Hills
- Castle Hill
- Kenthurst
- Norwest
- Glenhaven
- Dural
- Beaumont Hills
- Annangrove
- Hills District Sydney
If you are located in or near these suburbs, our team is ready to assist you with fast and reliable service.
Why Choose Nexa Air?
Choosing the right HVAC contractor is important for long-term comfort and performance.
At Nexa Air, we offer:
- Family-run, honest service
- Licensed and experienced technicians
- High-quality workmanship
- Transparent pricing
- Reliable after-service support
- Solutions tailored to your property
We take pride in delivering systems that perform efficiently and stand the test of time.
Get a Free Quote Today
If you are looking for trusted air conditioning and HVAC experts in the Hills District Sydney, contact Nexa Air today for a free consultation and quote.
