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Marine RV Air Heaters Heat Exhangers, Diesel, Electric, Gas.

Marine RV Air Heaters – Diesel, Electric & Gas

Stay warm and comfortable no matter where your journey takes you with our premium range of marine RV air heaters. At Action Outdoors Ltd, we supply high-performance heating systems designed to meet the unique needs of boaters, campers, and RV owners across New Zealand and the Pacific. From compact electric models to powerful diesel and gas systems, our heaters ensure reliable comfort on the road and at sea.

Versatile Heating Solutions

Our collection of marine RV air heaters includes:

  • Diesel air heaters – fuel-efficient and ideal for long journeys or extended marine use.
  • Gas heaters – reliable, affordable, and perfect for caravans and RVs.
  • Electric heaters – compact, easy to install, and ideal for campsites with power access.
  • Heat exchangers – efficient options for distributing warmth throughout your cabin or vehicle.

Each system is engineered to perform reliably in demanding environments, delivering dependable heat even in damp coastal conditions or chilly mountain nights.

Why Choose Action Outdoors?

  • Specialist Range – We stock only trusted brands with proven reliability in marine and RV environments.
  • Tailored Advice – Whether you need a compact unit for a campervan or a robust diesel heater for a yacht, our experts can guide you to the best option.
  • Quality & Safety – All heaters are designed with safety features and compliance to give you peace of mind.

Comfort Anywhere You Go

Investing in the right marine RV air heater means more than just warmth—it’s about extending your adventures into cooler seasons, staying dry and comfortable, and protecting your vessel or motorhome from moisture. Browse our collection today and discover the perfect heating solution for your lifestyle.

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Autoterm Comfort Control Panel with LED display and intuitive user interface for heating adjustment. Sale Sale
$286.99
$286.99 - $286.99
$286.99
$257.00
$257.00 - $257.00
$257.00

Autoterm Comfort Control Panel With LED Display For Diesel Heaters Marine And RV Climate Control

Autoterm
In stock from NZ Supplier

Autoterm Comfort Control Panel with LED Display — Precision Climate Control for Diesel Heaters The Autoterm Comfort Control Panel with LED display...

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$286.99
$286.99 - $286.99
$286.99
$257.00
$257.00 - $257.00
$257.00
Sale Sale
Portable Gas Califont Hot Water Heater control panel with temperature gauge and knobs for heat adjustment.
Portable Gas Califont Hot Water Heater with shower head, ideal for outdoor use.
$550.00 - $550.00
$550.00
$550.00 - $550.00
$550.00

Portable Gas Califont Hot Water Heater - In store

GasLand
Only 1 left!

Portable Gas Califont Hot Water Heater Product Code 406106 For boating, camping, poolside, caravans and RVs   Portable Gas Califont Hot Water Heate...

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$550.00 - $550.00
$550.00
$550.00 - $550.00
$550.00
Kuuma Water Heater -23L Front and Rear Mounts for marine use, featuring stainless steel design and efficient water heating. Sale Sale
$1,350.00
$1,350.00 - $1,350.00
$1,350.00
$1,285.00
$1,285.00 - $1,285.00
$1,285.00

Kuuma Water Heater 23L Front And Rear Mounts For Boats Offshore Marine Hot Water System

Kuuma
in stock

Experience dependable onboard comfort with the Kuuma Water Heater — a marine hot water system designed for life at sea. With a ~23-liter capacity ...

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$1,350.00
$1,350.00 - $1,350.00
$1,350.00
$1,285.00
$1,285.00 - $1,285.00
$1,285.00
Sale Sale
Kuuma Water Heater 42 Litre Side Mounts - In Store, high-performance marine water heater with electric and heat exchange capabilities. Sold out
$1,650.00
$1,650.00 - $1,650.00
$1,650.00
$1,580.00
$1,580.00 - $1,580.00
$1,580.00

Kuuma Water Heater 42 Litre Side Mounts - In Store

Kuuma
Out of stock

Kuuma Water Heater - 42 Litre (11 US gal) Side Mounts - All Kuuma (Previously Force 10 ). Product Code: 411101   Kuuma Water Heater - 42 Litre (11 ...

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$1,650.00
$1,650.00 - $1,650.00
$1,650.00
$1,580.00
$1,580.00 - $1,580.00
$1,580.00
Sold out
Kuuma Water Heater - 42 Litre Front and Rear Mounts - In Store
Sale Sale
$1,690.00
$1,690.00 - $1,690.00
$1,690.00
$1,590.00
$1,590.00 - $1,590.00
$1,590.00

Kuuma Water Heater 42 Litre Front And Rear Mounts For Boats Efficient 1500W Marine Hot Water

Kuuma
in stock

ETA 13 May 2026 The Kuuma Water Heater in a practical 42 Litre capacity is purpose-built for life at sea. With front and rear mounting options, th...

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$1,690.00
$1,690.00 - $1,690.00
$1,690.00
$1,590.00
$1,590.00 - $1,590.00
$1,590.00
Sale Sale
Wallas Heater Installation Kit - Basic components including ducts, vents, and exhaust parts for efficient heater installation.
Sale Sale
$1,750.00
$1,750.00 - $1,750.00
$1,750.00
$1,680.00
$1,680.00 - $1,680.00
$1,680.00

Wallas Heater Installation Kit Basic Essential Components for Quick Marine and RV Heating

Wallas
In stock from NZ Supplier

Wallas Heater Installation Kit - Basic (Product Code 3713-ADV) contains the essential components to get your Wallas up and running quickly and rel...

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$1,750.00
$1,750.00 - $1,750.00
$1,750.00
$1,680.00
$1,680.00 - $1,680.00
$1,680.00
Sale Sale
Marine Water Heater with Heat Exchanger, 76 L - front view of the stainless steel storage cylinder.
Sale Sale
$2,350.00
$2,350.00 - $2,350.00
$2,350.00
$2,250.00
$2,250.00 - $2,250.00
$2,250.00

Kuuma Marine Water Heater With Heat Exchanger 76 L 20 Gal High Capacity Off Grid For Boaters

Kuuma
in stock

Kuuma Marine Water Heater with Heat Exchanger, 76 Litre (20 Gal) — a dependable, high-capacity hot-water solution designed for life at sea. Built ...

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$2,350.00
$2,350.00 - $2,350.00
$2,350.00
$2,250.00
$2,250.00 - $2,250.00
$2,250.00
Sale Sale
Motor Home Heater D2 Eberspacher Heater components and installation parts laid out on a flat surface.
Motor Home Heater D2 Eberspacher Heater unit for efficient heating in small to medium Motor Homes.
Sale Sale
$3,100.00
$3,100.00 - $3,100.00
$3,100.00
$2,894.00
$2,894.00 - $2,894.00
$2,894.00

Eberspacher Airtronic D2 Diesel Heater by Absolute Marine, Compact Ultra Quiet Heat for RVs, Campers, Boats

Absolute Marine
In stock from NZ Supplier

Meet the Motor Home Heater D2 Eberspacher Heater from Absolute Marine, a compact diesel-fired solution designed to keep small to medium motorhomes...

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$3,100.00
$3,100.00 - $3,100.00
$3,100.00
$2,894.00
$2,894.00 - $2,894.00
$2,894.00
Sale Sale
Wallas 2.2Kw Diesel Heater 22GB 12V model with silver casing and green accent, designed for efficient boat heating.
Sale Sale
$3,550.00
$3,550.00 - $3,550.00
$3,550.00
$3,400.00
$3,400.00 - $3,400.00
$3,400.00

Wallas 2.2kW Diesel Heater 12V for Boats Camper Vans and Trailers High Efficiency Comfort

Wallas
In stock from NZ Supplier

Wallas 2.2Kw Diesel Heater 22GB 12V is the robust off-grid heating solution designed for boats, camper vans, and trailers that demand steady warm...

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$3,550.00
$3,550.00 - $3,550.00
$3,550.00
$3,400.00
$3,400.00 - $3,400.00
$3,400.00
Sale Sale
Wallas 3.0Kw Diesel Heater 30GB 12V, a powerful and efficient boat heating solution.
Sale Sale
$3,999.99
$3,999.99 - $3,999.99
$3,999.99
$3,899.99
$3,899.99 - $3,899.99
$3,899.99

Wallas 3 kW Diesel Boat Heater 12V 30GB Eco Friendly Efficient Marine Cabin Warmer

Wallas
In stock from NZ Supplier

Meet the Wallas 3.0Kw Diesel Heater 30GB 12V — a compact, high‑efficiency marine heater designed to warm cabins quickly while keeping power use lo...

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$3,999.99
$3,999.99 - $3,999.99
$3,999.99
$3,899.99
$3,899.99 - $3,899.99
$3,899.99
Sale Sale
Truma Combi 6E AU Plus Water/Air Heater (Combi Only) digital control panel with temperature display.
Truma Combi 6E AU Plus Water/Air Heater (Combi Only) side view showing design and features.
Sale Sale
$4,899.00
$4,899.00 - $4,899.00
$4,899.00
$4,341.00
$4,341.00 - $4,341.00
$4,341.00

Truma Combi 6E AU Plus Water And Air Heater For RV And Caravan All In One Climate And Hot Water

TRUMA
in stock

Experience comfort wherever the journey takes you with the Truma Combi 6E AU Plus Water/Air Heater (Combi Only) — a single, compact solution that ...

View full details
$4,899.00
$4,899.00 - $4,899.00
$4,899.00
$4,341.00
$4,341.00 - $4,341.00
$4,341.00
Sale Sale
Diesel Heater Spartan Air 12V, a red Wallas heater with green boost burner for efficient clean-burning diesel.
Sale Sale
$4,699.99
$4,699.99 - $4,699.99
$4,699.99
$4,400.00
$4,400.00 - $4,400.00
$4,400.00

Wallas Spartan Air 12V Diesel Heater for Boats 4.5kW

Wallas
In stock from NZ Supplier

Introducing the Diesel Heater Spartan Air 12V — a high-performance marine heating solution engineered for comfort, efficiency, and reliability on...

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$4,699.99
$4,699.99 - $4,699.99
$4,699.99
$4,400.00
$4,400.00 - $4,400.00
$4,400.00
Sale Sale
Eberspacher Airtronic D4 Marine Heater by Eberspacher
Eberspacher Airtronic D4 Marine Heater by Eberspacher
$5,690.00 - $5,690.00
$5,690.00
$5,690.00 - $5,690.00
$5,690.00

Eberspacher Airtronic D4 Marine Heater For Boats 20-44ft

Eberspacher
In stock from NZ Supplier

Eberspacher Airtronic D4 Marine Heater for Boats (20–44 ft) Stay warm and comfortable on the water with a compact, economical diesel heater desig...

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$5,690.00 - $5,690.00
$5,690.00
$5,690.00 - $5,690.00
$5,690.00
Wallas Diesel Heater 30 Viking Combi 12V for heating air and hot water on outboard engine boats.
Sale Sale
$5,899.00
$5,899.00 - $5,899.00
$5,899.00
$5,865.00
$5,865.00 - $5,865.00
$5,865.00

Wallas Diesel Heater 30 Viking Combi 12V For Boats Efficient Cabin And Hot Water Heating

Wallas
in stock

The Diesel Heater 30 Viking Combi 12V is built for serious boaters who want reliable warmth without sacrificing space or battery life. Designed sp...

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$5,899.00
$5,899.00 - $5,899.00
$5,899.00
$5,865.00
$5,865.00 - $5,865.00
$5,865.00
Sale Sale
TRUMA COMBI 6E 33814-20 (INET) KIT by TRUMA
Truma Combi 6E EU Plus Water/Air Heater with iNet Panel Combi Only by TRUMA
Sale Sale
$6,658.00
$6,658.00 - $6,658.00
$6,658.00
$5,999.00
$5,999.00 - $5,999.00
$5,999.00

Truma Combi 6E EU Plus Water/Air Heater with iNet Panel Combi Only

TRUMA
Only 2 left!

Like all Combi models, Truma Combi 6E also combines space and water heating in one appliance.  The 6000W heater provides comfortable warmth in your...

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$6,658.00
$6,658.00 - $6,658.00
$6,658.00
$5,999.00
$5,999.00 - $5,999.00
$5,999.00
Sale Sale
TRUMA COMBI 6E 33814-20 (INET) KIT by TRUMA
TRUMA COMBI 6E 33814-20 (INET) KIT by TRUMA
Sold out
$6,658.86
$6,658.86 - $6,658.86
$6,658.86
$6,658.00
$6,658.00 - $6,658.00
$6,658.00

TRUMA COMBI 6E 33814-20 (INET) KIT

TRUMA
In stock from NZ Supplier

Truma Combi 6E Plus Water/Air Heater (Installation Kit Incl) Like all Combi models, Truma Combi 6E also combines space and water heating in one app...

View full details
$6,658.86
$6,658.86 - $6,658.86
$6,658.86
$6,658.00
$6,658.00 - $6,658.00
$6,658.00
Sold out