BIGGER SPACE.
MORE HEAT.
Up to 13,600 BTU of premium portable diesel heat for larger campers, vans, motorhomes, enclosed trailers, shelters and serious cold-weather adventure.
Portable system designed, built & assembled in British Columbia

Built here. Supported here. Ready for serious cold.
The Planar Portable 4D takes a powerful 4kW diesel air heater and turns it into a complete portable heating system designed for demanding cold-weather use.
The portable system is assembled in British Columbia, bringing the heater, fuel delivery, intake, exhaust, controller and hot-air system together inside a rugged protective package. Add Canadian parts availability, technical knowledge and service support, and the result is equipment designed for long-term ownership.
When 2kW isn't enough, step up to 4kW.
The Planar 4D delivers approximately 3,400 to 13,600 BTU of dry diesel-fired heat. Its greater output and substantially higher airflow make it the better choice when you're heating a larger interior volume or facing greater heat loss in demanding winter conditions.
Larger Campers & Vans
More heating capacity and airflow for larger vehicle interiors where a compact 2kW heater may not provide enough reserve.
Trailers & Large Shelters
A portable solution for enclosed cargo trailers, larger camp tents, hunting setups and other spaces with greater interior volume.
One Heater. Multiple Setups.
Move the complete heater between vehicles, trailers and camps instead of permanently installing a heating system in one location.
Built for the Cold.
Built for the Long Haul.
Plenty of diesel heaters can produce heat. Planar is built for customers who expect more: a professionally packaged portable system, quality components, serviceability, parts support and equipment designed for long-term ownership.
Purpose-Built Portable System
Heater, fuel delivery, intake, exhaust, controller and enclosure work together as one complete package.
Serious Heat Output
Up to 4.0 kW or approximately 13,600 BTU for larger spaces and demanding cold-weather applications.
Canadian Assembly
The portable heater system is assembled in British Columbia for the Canadian outdoor market.
Parts & Documentation
Replacement parts, operating documentation and repair resources support long-term ownership.
2-Year Warranty
Manufacturer-backed warranty support provides added confidence in premium equipment.
Built for Real Applications
Campers, vans, motorhomes, tents, ice-fishing huts, trailers and other larger cold-weather spaces.
Planar 4kW vs 2kW
Choose the heater for the space, not simply the biggest number. The 4D is designed for applications where greater interior volume, airflow or heat loss calls for more heating capacity. For smaller spaces and most rooftop tents, the Planar 2D 2kW is usually the better fit.
Planar 4D | 4kW
More output and more airflow for larger spaces and greater cold-weather heating demand.
- Larger campers
- Larger vans and motorhomes
- Enclosed cargo trailers
- Larger tents and shelters
- Applications with greater heat demand
Planar 2D | 2kW
Lower minimum output and lower consumption make the 2D a better match for compact spaces and most rooftop tents.
- Most rooftop tents
- Compact campers
- Smaller vans
- Ice-fishing shelters
- Smaller enclosed spaces
Built to heat beyond the rooftop tent.
With up to 13,600 BTU and 168 m³/h of airflow, the Planar 4D is where we'd look when the space you're heating becomes significantly larger.
Think larger vans, campers and motorhomes, enclosed trailers, hunting camps, larger tents and shelters, or other applications where the smaller 2D simply doesn't have enough heating capacity.
Planar also lists the portable 4D for marine applications on boats up to approximately 30 feet.

Serious heat without a permanent installation.
Add Fuel
The Planar 4D operates on diesel or kerosene.
Connect 12V Power
Connect the heater to a suitable 12V DC power source.
Route Warm Air
Position the heater safely outside and route the heated-air duct into the space.
Turn Up the Heat
Use the wired controller to manage heater operation and power output.

High-output heat. One self-contained system.
The Planar Portable 4D packages the essential components into one transportable system, giving you serious heating capacity without having to engineer your own portable installation.
- Planar 4D 4kW diesel air heater
- Crushproof, rain-resistant protective case
- Integrated fuel system
- Exhaust system with silencer
- Combustion air intake with filter
- Remote wired controller
- 3-inch hot-air ducting connection
- 12V DC operation
Technical specifications.
Looking for Planar 4D heat output, fuel consumption, electrical draw, airflow or altitude capability? Here are the key specifications for the Portable 4D-12V.
| Model | Planar Portable 4D-12V |
|---|---|
| Heat Output | 1.0-4.0 kW / approximately 3,400-13,600 BTU |
| Fuel | Diesel or kerosene |
| Fuel Consumption | Approximately 0.12-0.51 L/h |
| Supply Voltage | 12V DC |
| Power Consumption | 10-57W / approximately 0.8-4.75A |
| Airflow | 70-168 m³/h |
| Operating Mode | Power |
| Altitude Capability | Up to approximately 8,200 ft |
| Heater Weight | 15 kg / 33 lb |
| Package Size | 635 × 483 × 483 mm / 25 × 19 × 19 in |
| Portable System | Assembled in British Columbia, Canada |
| Available Colours | Yellow / Military Green |
| Warranty | 2-year manufacturer-backed warranty |
Use Your Planar Heater Safely
The heater and combustion exhaust must remain outside the occupied sleeping or living space. Route only the heated-air duct into the shelter or interior space. Always follow Planar operating instructions, maintain required clearances and ventilation, and use a carbon monoxide detector when operating combustion heating equipment around an occupied space.
WHEN THE SPACE GETS BIGGER,
BRING MORE HEAT.
The Planar Portable 4D combines up to 13,600 BTU of diesel-fired heat, high airflow, Canadian assembly and long-term parts and technical support in one premium portable heating system built for serious cold-weather use.
Flexiti Equal Payments | No Interest Over 6 Months
Ready to add premium cold-weather heat to your setup? Eligible purchases can be financed with Flexiti Equal Payments with no interest over 6 months.
Subject to approval and applicable Flexiti terms and conditions. See in-store or financing details for complete program information.













