Heavy Vehicle, Machinery & Marine Air Conditioning

When cooling systems fail on heavy vehicles or marine equipment, productivity stops. At Lake to Valley Auto Air, we bring professional air-conditioning expertise directly to your site or depot — keeping your operators, drivers and crews comfortable and compliant.

Based in Heddon Greta and servicing Cessnock, Maitland, Newcastle, Lake Macquarie and the wider Hunter Region, Lake to Valley Auto Air has more than 37 years of experience working with complex, large-scale air-conditioning systems across transport, agriculture, mining and marine industries.

We understand the demands of heavy machinery and commercial fleets, offering dependable, on-site servicing that minimises downtime and keeps your systems performing at their best.

What’s Included

Truck & Bus Air-Conditioning Repairs

Mobile diagnostics, leak detection, re-gassing and component replacement for long-haul trucks and buses.
We service compressors, condensers and controls to keep drivers cool and reduce costly breakdowns on the road.
Machinery & Earthmoving Equipment

On-site service for excavators, graders, dozers, tractors and mining equipment.
We repair, re-seal and re-gas cabin systems to maintain comfort and visibility for operators in demanding environments.
Refrigerated Transport Air-Conditioning

Servicing both cab and cargo AC systems for refrigerated trucks and trailers.
We help fleet owners maintain temperature stability, prevent spoilage and comply with refrigeration standards.
Marine Air-Conditioning Service

From small leisure boats to commercial vessels, we maintain and repair marine air-conditioning systems to ensure efficient cooling in salty, humid conditions.
Mobile service available to marinas, boatyards and private moorings.