Air Conditioning in Winnellie
At Great Northern Air Conditioning & Mechanical Services, we design, install, and maintain quality air conditioning and HVAC systems across Darwin. With 25+ years of experience, our expert team delivers fast, reliable service to keep your home or business cool and compliant. Call today for trusted local support.
25+ years of trusted HVAC & air conditioning expertise
Fully qualified team across refrigeration, electrical and mechanical
Smart maintenance schedules that reduce energy costs
Winnellie Air Conditioning
Great Northern Air Conditioning & Mechanical Services proudly supports the industrial and commercial hub of Winnellie with trusted, high-performance air conditioning solutions. With over 25 years of experience and a strong base in nearby Berrimah, we’ve built long-term relationships with businesses, warehouses, offices, and trades operating in the area.
Our goal is to provide tailored cooling systems that withstand the Territory heat and keep your operations running smoothly. Our team of 18 qualified professionals brings over 150 years of combined experience across mechanical services, refrigeration, electrical, and plumbing. We are CAL Accredited (D-24-10419-07-19), ARCtick certified (AU03996), Platinum Partners with AERIS Environmental, and active members of AIRAH.
We’re known throughout Winnellie for fast response times, preventative maintenance programs, and high-quality installs—whether you're upgrading a cool room or fitting out a commercial tenancy.
To get started, call our team on (08) 8947 4188 and book a free quote today.
Built for Winnellie Conditions

Commercial Air Conditioning in Winnellie
Winnellie’s warehouses, showrooms, and offices rely on powerful, efficient cooling systems to stay productive. We specialise in commercial air conditioning and cool room installations that handle high loads and operate seamlessly in Darwin’s conditions. Whether it’s a new install or an equipment upgrade, we deliver reliable systems backed by expert support.

Residential Air Conditioning in Winnellie
While Winnellie is known for its commercial edge, we also help residents stay cool at home. Our team installs and services high-quality air conditioning systems suited to Darwin’s climate and your specific home layout. We’re known for clean installs, honest advice, and cooling that works when you need it most.
Split and Ducted Systems in Winnellie
Split systems and ducted air conditioning are ideal for controlling the heat in Winnellie homes and offices. We help you choose between compact, targeted split units and whole-building ducted systems—both installed by qualified technicians. Get efficient, easy-to-use climate control that suits your space and budget.
HVAC in Winnellie
From ventilation systems to full HVAC design and installs, we provide professional mechanical services across Winnellie. Our HVAC solutions suit everything from light commercial fit-outs to large industrial buildings. We focus on long-term performance, energy efficiency, and clean air flow, tailored to Territory requirements.
Service, Maintenance and Installation in Winnellie
Our local team offers ongoing support for all major brands and systems across Winnellie. From preventative maintenance and scheduled servicing to urgent repairs and full installations, we’re just a phone call away. Reach us on (08) 8947 4188 for responsive, professional help from air conditioning experts who know the area.
Commercial Air Conditioning in Winnellie
Winnellie’s warehouses, showrooms, and offices rely on powerful, efficient cooling systems to stay productive. We specialise in commercial air conditioning and cool room installations that handle high loads and operate seamlessly in Darwin’s conditions. Whether it’s a new install or an equipment upgrade, we deliver reliable systems backed by expert support.
In a fast-moving suburb like Winnellie, reliable air conditioning and HVAC systems aren’t a luxury—they’re essential. Great Northern Air Conditioning & Mechanical Services offers comprehensive services tailored to local businesses, warehouses, and commercial facilities.
Our key offerings include commercial air conditioning (with cool room capabilities), residential installations, split and ducted systems, HVAC design and upgrades, and service, maintenance, and emergency repairs. Winnellie clients value efficiency and durability. We work with building managers, trades, manufacturers, retailers, and real estate professionals to keep operations running without interruption.
Our systems are designed for high output and extreme NT conditions, backed by expert advice and full compliance with Territory regulations. Whether you need to replace a broken unit or overhaul an entire facility, our team gets it done right, on time, and on budget.
Trusted support for industrial and commercial cooling
Fully licensed team with Territory expertise
Request a call back in Winnellie
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