Split System Air Conditioner Repairs & Servicing in Newcastle

Has your split system air conditioner given up right when you need it most amid Newcastle’s sweltering summer heatwaves or chilly winter days? Or perhaps it’s still working but making strange noises or providing uneven temperature that has you worried? Don’t panic – The experienced team at Onsite Air Conditioning have got you covered, no matter the issue.

As locally-owned and operated air conditioning specialists, we repair & service all major brands, while offering expert knowledge. With years of hands-on experience, we come equipped with the necessary equipment, genuine parts, and practical know-how needed to quickly return your faulty split system unit to peak operating condition.

Our skilled technicians can quickly identify issues, be it a loss of airflow, strange noises, pipe leaks, or complete malfunction. We troubleshoot faults efficiently, providing the best solutions to restore heating or cooling performance.

So, say goodbye to discomfort due to air con inefficiencies. Trust the split system repair & service experts at Onsite Air Conditioning to deliver! We offer upfront pricing, flexible scheduling, and treat your home with care and respect from arrival to job completion. Reliable workmanship and quality customer service is guaranteed every time. Contact us today for any model repair or service of your split system air conditioning in Newcastle!


Why choose Onsite Air

Onsite Air is a Family Owned Local Hunter Business providing honest and dependable air conditioning services

Locals Serving Locals

Because we are native to the Hunter, Onsite Air has technicians near you to save time and money. Our team live in Newcastle, Cardiff, Branxton, Raymond Terrace and Nelson Bay so we are never far away from your home or business.

Looking To Save You Money

Our team are across industry trends and technology developments. We ensure your job is completed in the shortest possible time. Our estimates are also comprehensive and accurate first time, every time.

Deal With The Decision Maker

Owner Luke Hargy is across every job that our team works on. He takes a personal interest in every client to ensure they are completely happy with every air conditioning job.

Commercial Experts

Expert Split System Air Conditioning Installation in Newcastle

Choosing the right split system for your space is essential, and our experts are here to guide you through the selection process. We consider factors such as room size, insulation, and your lifestyle preferences to recommend the most suitable system for your home or business. We also understand that the correct installation of your split system air conditioner is crucial for optimal performance and energy efficiency. That’s why we go the extra mile to guarantee precision in every step.

Whether ducted or wall mounted, our air conditioning installers provide professional fitting, zoning, workmanship and expert aftercare so you enjoy the benefits for years to come. Our team handles the entire process of split system air conditioner installation in Newcastle for you:

  • Evaluating heating/cooling needs
  • Selecting the correctly sized unit for the area
  • Managing electric circuit requirements for power supply
  • Attending to complex zoning or multi-head configurations
  • Providing all mounting hardware and materials
  • Completing accredited installation to manufacturer specs
  • Testing and commissioning system for optimised performance
  • Providing full demonstrations and operating guidance

For obligation-free quotes on new air conditioner installation by qualified installers that Newcastle homeowners recommend – call the team at Onsite Air Conditioning today! We focus on quality workmanship so you stay comfortable in every room.

Our Services

Commercial Experts

Newcastle’s Split System Aircon Service, Maintenance & Repairs

When your home’s split system air conditioner fails during summer heat waves or chilly winter days, you need responsive service, quality repairs and proactive maintenance. The team of Onsite Air Conditioning offers repair and servicing expertise tailored to all major brands of residential and commercial split system aircons in the Newcastle region.

With advanced technical know-how of aircon components and functions, our skilled team troubleshoot issues accurately to get your system back up and running. From airflow blockages, refrigerant leaks, compressor faults to unusual operating noises— we have the expertise and tools to troubleshoot and restore your unit to peak performance.

During the peak season we understand the last thing you need is a faulty system, so we aim to offer fast response timeframes so you aren’t left without that crucial cooling or heating. We are able to accurately diagnose issues and then clearly explain any works that may be required in a simple and easy to understand manner. Leaving you not only with a fixed system, but also peace of mind for future years.

When it comes to expert split system air conditioning in Newcastle that you can depend on, reach out to the experienced team at Onsite Air Conditioning today. Ensure the reliability of your split system repairs and servicing by choosing a trusted partner. Your comfort is our priority.

Get in touch with Onsite Air today

Onsite Air offers unmatched service. 100% satisfaction guarantee, whatever it takes!

Contact our local team

Split System Aircon Services in Newcastle

Split system air conditioning involves advanced technology with many components working in unison to cool or warm rooms. Over time, build up of dirt, wear and changing refrigerant levels causes these complex systems to lose efficiency. Eventually faults arise requiring a service call to get your residential or commercial split system aircon up and running again.

Rather than just addressing problems as they arise, the experienced technicians at Onsite Air Conditioning provides the following split system air conditioning services in Newcastle:

  • Preventative Maintenance – This includes essential cleaning and tune-ups to optimise performance and energy efficiency. We meticulously check and adjust refrigerant charge, filters, and airflow, ensuring your system operates at its best.
  • Breakdown Repairs – In the event of sudden failures, we identify root causes and provide accurate solutions swiftly. Our experienced technicians aim to resolve most AC faults during the initial inspection, restoring your cooling or heating functions promptly.
  • New Installations – Trust us for reliable and professional split system air conditioner installation in Newcastle. We ensure correct sizing based on your space, usage needs, and comfort preferences, guaranteeing an effective and tailored solution for your residential or commercial space.

At Onsite Air Conditioning, our commitment extends beyond immediate solutions. We aim to be your trusted partner in all things related to split system air conditioning, offering a holistic approach that prioritises efficiency, comfort, and long-term value for your residential or commercial space. Contact us today for all your split system aircon needs, from maintenance to new installations and beyond.

Commercial Experts


We recommend arranging professional servicing of your split system air conditioner every 12 months at a minimum. Annual maintenance checks help keep the various components clean, well calibrated and functioning at peak efficiency.

Our comprehensive service includes cleaning air filters, vents and drains, checking refrigerant levels, inspecting all mechanics, testing electrical systems, and tuning the unit for optimum temperature regulation and energy usage. We’ll also advise if repairs are needed.

Yes, if you notice a sudden increase in energy bills, a burning smell, or any unusual sounds, these could be indicators of serious issues. In such cases, it’s essential to turn off the system and seek professional assistance promptly to avoid further damage or safety risks.

Many faults we can resolve in 1-2 hours after diagnosing issues. However, if replacement parts are needed, they may need ordering. We’ll provide accurate timeframes for split system aircon repairing in Newcastle upon inspection.

Simple steps include regular cleaning of filters, sealing any gaps in windows and doors, and setting the thermostat to an optimal temperature. Additionally, scheduling professional maintenance for your split system air conditioning in Newcastle enhances overall efficiency.