Salt air, beach Dunedin, New Zealand

Living in Dunedin’s coastal environment presents unique challenges for heat pump owners. The salt air and increased moisture can lead to accelerated corrosion. Which impacts the performance and longevity of heat pump systems. Here at McClelland Refrigeration, we recommend these tips on adequately maintaining your heat pump in Dunedin’s coastal areas. 

And by implementing the following maintenance tips and recommendations. You can protect your heat pump and ensure its long-lasting performance.

Understanding the Impact of Salt Air and Moisture

Dunedin’s coastal location has its own unique climate, which exposes heat pumps to highly corrosive salt air, which can deteriorate the metal components of your heat pump over time. 

Salt particles combined with moisture in the air create a corrosive mixture that affects the condenser coils and fan blades of the heat pump’s outdoor unit. This corrosion can impair heat transfer, reduce efficiency, and potentially lead to costly repairs or premature system failure.

heat pump outdoor unit Regular Inspection and Cleaning

Regular inspections and cleanings are crucial for optimal heat pump performance in Dunedin’s coastal environment. So at McClelland Refrigeration, we recommend that you follow these maintenance practices to ensure the longevity of your heat pump system

Visual Inspection of Your Heat Pump

Regularly inspect the outdoor unit for signs of corrosion, rust, or damage. And pay close attention to the condenser coils, fan blades, and electrical connections. If you notice any issues, contact a professional heat pump technician for further evaluation and necessary repairs.

Keeping the Outdoor Unit of Your Heat Pump Clean

Regularly cleaning the outdoor unit to remove salt, dust, and debris that may have accumulated on the surface is highly recommended for your heat pump. 

Use a gentle stream of water or a soft brush to rinse off the contaminants. And avoid the temptation of using high-pressure water, as this can damage the fins or other delicate parts of the heat pump system.

Clear the Surrounding Area of your Heat Pump

Clearing vegetation and debris from the surroundings of the outdoor unit is vital. Therefore maintaining a clearance of at least one metre around your heat pump system will ensure proper airflow and prevent any obstruction of the condenser coils. And good airflow allows the heat pump to operate efficiently, avoiding unnecessary strain on the heat pump system.

Protective Measures to Safeguard Against Salt Air

In addition to regular maintenance, you should consider taking the following protective measures to safeguard your heat pump from salt air and ensure its longevity

Choose the Right Location for Your Heat Pump

It’s crucial to ensure your heat pump is installed in a spot that minimises exposure to direct salt-laden winds. So finding a location behind a fence or in a sheltered area can help reduce direct contact with salt air and extend the life of your heat pump.

Maintain Air Filters for Your Heat Pump

And always clean or replace the air filters regularly, according to the manufacturer’s guidelines. Dust, debris, and salt particles can accumulate on the filters. This, in turn, affects airflow and reduces the heat pump’s efficiency. So by cleaning the filters, you will ensure optimal performance.

Engage A Professional Heat Pump Technician

Engaging a professional heat pump technician for annual maintenance and servicing is highly recommended, especially in Dunedin’s coastal environment. They have the expertise to thoroughly inspect, clean, and optimise your heat pump system. In addition, regular servicing ensures efficient operation and early detection of potential issues, preventing further damage and costly repairs. At McClelland Refrigeration, we can help you with all your heat pump needs.


That by implementing these maintenance tips and recommendations, you can protect your heat pump from the challenges Dunedin’s coastal environment poses. Regular inspections, cleaning, protective measures, and professional maintenance will help maintain optimal heat pump performance and extend the lifespan of your system. You can read more here about how Dunedins climate in general is with heat pumps too.

And remember, proactive care and regular maintenance are essential to preserving your heat pump’s efficiency and performance in Dunedin’s coastal climate.

For all your heat pump needs in Dunedin, call us at 03 477 0088 or book a service now at McClelland Refrigeration. Our team of experts is here to provide the best solutions and ensure your heat pump operates at its best in Dunedin’s coastal environment.


For expert guidance, contact McClellands, your trusted heat pump professional.

Call us today on: 03 477 0088