For over 15 years, Maxim Air has been providing reliable heating and cooling solutions to both homes and businesses across North Sydney. Our licensed technicians deliver tailored climate control systems for everything from heritage homes in Kirribilli to modern office towers in the CBD.

Professional Air Conditioning Installation
Our installation service begins with a detailed assessment of your North Sydney property. For homes, we consider factors like room sizes and sun exposure. For businesses, we analyze occupancy patterns and building structure. Whether you need a split system for your apartment or a commercial VRF solution, we ensure perfect sizing and seamless installation.

Reliable Repair Services
When your system fails during North Sydney's humid summers, our local technicians provide prompt repairs to both residential and commercial clients. We troubleshoot all issues from refrigerant leaks to electrical faults, with same-day emergency service available across the North Sydney council area.
Preventative Maintenance Plans
Our maintenance programs are designed for:
- Homes: Annual servicing to maintain efficiency
- Businesses: Quarterly commercial-grade maintenance
All services include thorough cleaning, performance checks, and detailed reports to keep your system running optimally.
Residential Climate Solutions
We specialize in cooling solutions for North Sydney homes:
• Discreet installations respecting heritage aesthetics
• Whisper-quiet operation for apartments
• Smart home compatible systems
• Free consultations to find your perfect solution
Commercial HVAC Services
For North Sydney businesses, we offer:
→ Energy-efficient office installations
→ Retail space climate control
→ After-hours servicing
→ Building management integration
All AC Services
- AC Installation
- Emergency AC Service
- Ductwork Installation & Repair
- AC Energy Efficiency Assessment
- AC Repair & Maintenance
- AC System Upgrades
- Smart Thermostat Installation
- Commercial AC Solutions
Heating Services
- Heater Installation
- Gas Heating Systems
- Hydronic Heating
- Heating System Maintenance
- Heater Repair & Service
- Electric Heating Solutions
- Underfloor Heating
- Energy-Efficient Heating
Other Services
- Indoor Air Quality Solutions
- Ventilation Services
- HVAC System Design
- Air Purification Systems
- Duct Cleaning
- Preventative Maintenance Plans
Brands we work




Testimonials
ADRIAN J,
ROBERT SHI,
DEEPANJAN BASU,
Frequently Asked Questions (FAQs)
What residential areas do you service?
How quickly can you respond to home emergencies?
Do you service strata apartments?
Why choose Maxim Air?
- Local since 2005
- Balanced residential/commercial expertise
- Manufacturer-trained technicians
- 100% satisfaction guarantee
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Air Conditioning Installation
Our Waitara installation process begins with a comprehensive assessment of your property. We measure room dimensions, evaluate insulation, and consider sun exposure to recommend the perfect system. Whether you need a discreet wall unit for your apartment or a powerful ducted system for your family home, we ensure professional installation with minimal disruption.
Our Services
- AC Installation & Replacement
- AC Repair & Maintenance
- Heating System Installation
- Heating Repair & Service
- Duct Cleaning & Repair
- Indoor Air Quality Solutions
- Commercial HVAC Services
- 24/7 Emergency Service
Service Areas
- Baulkham Hills
- Kellyville
- Norwest
- The Ponds
- West Pennant Hills
- Castle Hill
- Bella Vista
- Rouse Hill
- Glenhaven
- North Rocks