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KOZAK Air 2D

KOZAK Air 2D

AUTOTERM Air 2D (Planar) 2 kW Diesel Air Heater 12V with PU-5 controller Similar to Webasto, Airtronic, Eberspacher, Espar for car, cabin, boat, bus, camper - universal kit! PLUS Vest

Only 5 left in stock - order soon.

This Autoterm (Planar) 2.0 kW split heater turns down to 0.8 kW, the lowest minimum output listed, and burns as little as 0.10 L/h, tied for the lowest. It runs on 29 W, weighs 6.39 lbs and is rated to -49 ℉, colder than most rivals. Altitude is limited to 8,202 ft, so it suits small vans and campers wanting a premium, efficient permanent install rather than high-mountain use.

Price
$949.99
Brand
KOZAK
View on Amazon

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Ranking within Category

Comparing this product to others on Nomad Gear Finder (in the diesel heaters category with a value specified):

  • Min heat output 0.8 kW The lowest of 14
  • Fuel consumption min 0.10 L/h Lower than 93% of 47 others
  • Fuel consumption max 0.063 gal/h 0.24 L/h Lower than 97% of 45 others
  • Max operating altitude 8,202 ft Lower than 97% of 36 others
  • Max operating altitude (m) 2,500 m Lower than 94% of 37 others
  • Operating temp min -49 ℉ -45 ℃ Lower than 96% of 25 others

Compare this product with close matches

Related Videos

These videos may not be an exact match for this product. Check product details before purchase.

Review 72. First test of my campervan diesel heater (Planar / Autoterm) · Vandemonium A campervan owner fires up a newly installed Air 2D for the first time and checks the exhaust and carbon monoxide levels.
Installation FULL CAMPER CONVERSION - Installing a AUTOTERM 2K Planar Diesel Heater under a seat | Step by Step · RK Travels Step-by-step install under the passenger seat of a Vauxhall Vivaro camper, from cutting the floor to tapping the fuel tank and the first start.
From the manufacturer Choosing between a 2kW and 4kW heater | How much power do you need? · AUTOTERM Autoterm explains how to tell whether a 2 kW heater is enough for your vehicle or you need the 4 kW model.

Search YouTube for more KOZAK Air 2D videos

Specifications

These details are subject to change and may not be current. Please check Amazon or manufacturer web site to confirm before purchase.

Model
Air 2D
User manual
Link
Popular brand
No

Core specs

Heater type
Split
Max heat output
2.0 kW
Min heat output
0.8 kW
Max heat output (BTU/h)
6,824 BTU/h
Air flow
86 m³/h

Fuel

Fuel consumption min
0.10 L/h
Fuel consumption max
0.24 L/h
Fuel consumption max
0.063 gal/h

Controls

Thermostat mode
Yes

Power

DC input voltage
12V
Running power draw
29 W

Physical Attributes

Air duct diameter
60 mm
Weight
6.39 lbs
Weight
2.90 kg
Length
12.20 in.
Length
310 mm
Width
4.69 in.
Width
119 mm
Depth/Height
5.71 in.
Depth/Height
145 mm

Altitude

Max operating altitude
8,202 ft
Max operating altitude (m)
2,500 m

Operating Temp Range

Operating temp min
-45 ℃
Operating temp min
-49 ℉

Safety

Overheat protection
Yes
Low-voltage protection
Yes

Warranty & Certification

Warranty
2 Years

Features

Details from the KOZAK Air 2D Amazon listing:

  • AUTOTERM Air 2D. Air heater 2 kW (Planar 2D-12)
  • Fuel: Diesel
  • Voltage: 12V / 24V
  • Application: Vans, Campers, Trucks, Off-Highway, Boats/Yachts
  • Comes with KOZAK Vest

Similar products from other brands

Chosen for their similar specs and price:

Similar products from other brands
This productKOZAK Air 2D Truck Parts Line Air Top 2000 STC Eberspächer Airtronic S2 D2L Longroadaccess Air 4D
Price $949.99 $1,295.00 $1,315.00 $1,299.99
Model Air 2D Air Top 2000 STC Airtronic S2 D2L Air 4D
Popular brand No No Yes No
Heater type Split Split Split Split
Max heat output (kW) 2.0 2.0 2.2 4.0
Min heat output (kW) 0.8 0.9 0.9 1.0
Max heat output (BTU/h) (BTU/h) 6,824 7,000 7,500 13,648
Air flow (m³/h) 86 93 – 168
Fuel consumption min (L/h) 0.10 0.12 – 0.12
Fuel consumption max (L/h) 0.24 0.24 0.28 0.51
Fuel consumption max (gal/h) 0.063 0.063 0.074 0.136
Thermostat mode Yes – – Yes
Timer – – Yes –
DC input voltage 12V 12V 12V 12V
Running power draw (W) 29 29 34 57
Air duct diameter (mm) 60 – 75 –
IP rating – – IP5K6K/9K –
Weight (lbs) 6.39 5.73 5.95 11.90
Weight (kg) 2.90 2.60 2.70 5.40
Length (in.) 12.20 12.25 12.20 15.83
Length (mm) 310 311 310 402
Width (in.) 4.69 4.72 4.53 6.18
Width (mm) 119 120 115 157
Depth/Height (in.) 5.71 4.76 4.80 7.40
Depth/Height (mm) 145 121 122 188
Max operating altitude (ft) 8,202 – 9,843 8,202
Max operating altitude (m) (m) 2,500 2,200 3,000 2,500
Altitude adjustment – Manual Automatic –
Operating temp min (℃) -45 – -40 -45
Operating temp min (℉) -49 – -40 -49
Overheat protection Yes – – Yes
Low-voltage protection Yes – – Yes
Warranty 2 Years 2 Years – 2 Years
ECE R122 approved – – – Yes
ECE R10 (E-mark) EMC – – – Yes

Data sources

Data for this product compiled from these sources:

Specifications last updated Oct 28, 2026.

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