Get Great Air Conditioning
New Zealand’s boating climate can turn in an instant. Early starts on the water, overnight trips, and cooler South Island conditions need reliable heating.
Warmer months, especially in the North Island, can bring heat that can become dangerous in enclosed spaces if not managed.
How to Choose the Right Marine Heater
Get the right marine heating or ventilation for your boat’s size and power setup. Keep in mind your:
- Power source: 12V battery, 240V shore power, diesel, or LPG?
- Boat size and cabin layout: you may find a larger cabin needs a higher output to heat up the whole space.
- Safe ventilation and installation requirements: some systems require professional installation.
Diesel-Powered Heaters
Including 12V heaters, diesel-powered heaters are an efficient option for larger boats and cruisers, overnight trips, and colder climates. They provide consistent heat, are fuel-efficient, and can operate for extended periods.
Portable LPG Heaters
LPG heaters are suitable for smaller cabins or occasional heating needs, giving you nice, strong heat output without needing complex installation.
Electric Heaters
Electric heaters are convenient when you have access to shore power or onboard 240V systems. A compact electric unit is great for spot heating and quickly warming up your cabin.
Accessories
Additional outlet kits, ducting, and marine-specific fittings can help distribute warm air more effectively throughout the cabin.
Portable Marine Air Conditioners
Clamp Mount Fans
Easily installed and repositioned for mounting to rails, shelves or cabin structures to improve airflow where it’s needed most.
Oscillating Fan
Oscillating designs help circulate air throughout the cabin, great for overnight stays or extended trips with long days onboard.
12V Fans
12V fans connect to your boat’s battery system, providing the perfect solution for boats without shore power. They provide efficient airflow while using minimal power.
Portable Air Conditioning Units
Portable air conditioning units offer convenient cooling, with some models including battery compatibility, great for extended stays away from powered marinas.
Frequently Asked Questions
Can I run a 12V fan or heater off my boat's battery?
Yes, for fans! Many marine fans are designed to run directly from a boat’s 12V battery system, making them a popular choice on smaller boats and vessels without shore power.
Electric heaters are different. Because electric heaters draw significantly more power, most boats rely on diesel or shore-powered heaters for cabin warmth. If you’re considering any 12V heating device, check the power draw carefully to avoid draining your battery.
Do marine heaters require professional installation?
Some do, but it depends on the type of heater. Portable electric heaters or fan heaters usually plug into a 240V outlet and can be used immediately when connected to shore power.
However, diesel heaters and some LPG systems generally require proper installation, including fuel connections, ventilation and exhaust routing. For these systems, professional installation is often recommended to ensure safe operation and optimal performance.
Are diesel and LPG heaters safe to use in an enclosed boat cabin?
Yes, marine heaters are designed with safety in mind, but proper ventilation and installation are essential.
Because diesel heaters use sealed combustion systems that vent exhaust outside the boat, they are well-suited to enclosed cabins. LPG heaters require adequate ventilation and should always be operated according to the manufacturer’s guidelines.
Installing carbon monoxide detectors and ensuring good airflow in the cabin are important safety measures when using any onboard heating system.
Are marine fans built to handle salt air and humidity?
Absolutely. Marine fans are designed specifically for the boating environment, where salt air, humidity and vibration are common. Even so, occasional rinsing with fresh water and regular cleaning can help extend the life of your fan.
What size fan do I need for my boat cabin?
This depends on your overall cabin size and how much airflow you need. Compact 12V fans are generally enough for small cabins, helm stations or bunks that require targeted airflow. Larger cabins or enclosed living spaces may benefit from oscillating or higher-output fans that can circulate air more effectively throughout the space.
Help Finding the Best Air Conditioning for Your Boat
At Burnsco, we’re here to help you make your boat more comfortable, functional, and enjoyable! If you have questions about our marine heaters and fans, visit your local Burnsco store to check out our full selection or call our friendly team at 0800 10 20 41.
