For over two decades, Maxim Air has been the leading provider of professional HVAC solutions across Killara and the Upper North Shore. Our team of fully licensed technicians specialises in designing, installing, and maintaining energy-efficient climate control systems tailored to Killara's unique architectural styles and climate needs. Whether you're in a heritage-listed home or modern office building, we deliver:
✅ Same-day emergency service for urgent breakdowns
✅ Premium European & Japanese brands (Daikin, Mitsubishi, Braemar)
✅ Free, no-obligation quotes with transparent pricing
✅ NSW-compliant installations meeting all safety standards

Comprehensive Air Conditioning Installation in Killara
At Maxim Air, we understand that every Killara property has unique cooling requirements. Our certified technicians provide bespoke air conditioning solutions that combine superior performance with aesthetic sensitivity, particularly important for Killara's mix of heritage and contemporary architecture.
Tailored Cooling Solutions for Your Property:
🔹 Premium Split Systems – Ideal for single rooms or apartments, featuring whisper-quiet operation
🔹 Smart Ducted Systems – Whole-home comfort with advanced zoning capabilities
🔹 Commercial HVAC Solutions – Custom-designed systems for offices, retail spaces, and multi-level buildings
🔹 Heritage-Sensitive Installations – Discreet solutions preserving architectural integrity
Our Installation Process:
- Free On-Site Consultation – We assess your property's specific needs
- System Recommendation – Tailored to your space, budget, and energy goals
- Professional Installation – Minimal disruption, maximum precision
- Aftercare Support – Including maintenance reminders and warranty management

Reliable Air Conditioning Repairs in Killara
When your climate control system fails, our rapid-response team is ready to help. We service all makes and models, with particular expertise in systems common to Killara's older properties.
Why Choose Our Repair Service?
✔ 24/7 Emergency Call Outs – Including weekends and public holidays
✔ Genuine Manufacturer Parts – Ensuring long-lasting repairs
✔ Diagnostic Technology – Pinpointing issues quickly and accurately
✔ Transparent Pricing – No hidden fees or surprise charges
Common Issues We Resolve:
🔧 Inconsistent Cooling – Common in older, high-ceilinged Killara homes
🔧 Refrigerant Leaks – Particularly in systems over 10 years old
🔧 Thermostat Malfunctions – Including smart system integrations
🔧 Ductwork Issues – Crucial for maintaining efficiency in larger properties

Specialised HVAC Services for Killara Properties
Residential Solutions:
✔ Heritage Home HVAC – Sensitive installations preserving character
✔ Whole-Home Zoning Systems – Perfect for Killara's larger residences
✔ Energy Efficiency Upgrades – Reducing running costs significantly
✔ Smart Home Integration – Compatible with existing home automation
Commercial Services:
✔ Office Building Climate Control – Multi-zone systems for comfort
✔ Retail Space Solutions – Balancing customer comfort with energy savings
✔ Preventative Maintenance Plans – Minimising business disruption
✔ After-Hours Servicing – Keeping your operations running smoothly
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
What's the best AC system for Killara's climate?
How long do AC installations typically take in Killara?
Are there council restrictions on AC units in Killara?
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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