For over 20 years, Maxim Air has been Hornsby’s most trusted name for heating and cooling solutions. Our fully licensed technicians deliver exceptional HVAC installation, maintenance, and repairs for homes and businesses across Hornsby and surrounding suburbs.
Precision Air Conditioning Installation
Our Hornsby installation experts design and fit the perfect cooling system for your needs. Whether you need a single split system, multi-zone ducted air conditioning, or a powerful commercial setup, we ensure flawless installation with accurate load calculations, energy-efficient options, and minimal disruption.
Rapid & Dependable AC Repairs
When your system fails, our Hornsby repair team responds fast. We specialise in troubleshooting all major brands, fixing refrigerant leaks, faulty compressors, thermostat issues, and airflow problems. Enjoy same-day emergency repairs with genuine parts and a satisfaction guarantee.
Smart Maintenance Plans for Peak Performance
Avoid costly breakdowns with our preventative maintenance programs. Regular servicing keeps your system running at peak efficiency, reduces energy bills, and extends its lifespan. Our thorough checks include cleaning, refrigerant top-ups, electrical inspections, and performance optimisation.
Tailored Home Comfort Solutions
We create bespoke climate control systems for Hornsby homes, balancing comfort, efficiency, and quiet operation. From affordable split systems to premium ducted air conditioning, our free, no-obligation consultations ensure the perfect fit for your lifestyle.
Commercial HVAC Experts in Hornsby
Keep your Hornsby business comfortable year-round with our commercial HVAC services. We install and maintain systems for offices, shops, and hospitality venues, focusing on energy savings, air quality, and seamless operation with flexible service schedules.
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
Frequently Asked Questions (FAQs)
Do you service all of Hornsby?
How often should I get my AC serviced?
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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