Active cooling for the cab
Cold air in the cab.Engine off.
It does not move air. It chills it. A seat cushion with the chiller strapped under the seat, running on 12 V with the engine off.
Hello
Stage one
It takes the cab's own air.
Drawn in through a washable filter. No plumbing, no refrigerant lines, nothing to top up.
Stage three
A flat duct carries it up.
40 by 15 mm, out the back, down behind the seat, with a service loop long enough for the full travel of an air suspension seat.
DriverCool
Stage two
A thermoelectric core chills it.
This is the part a ventilated cushion does not have. The air leaves colder and drier than it arrived, and the heat it gave up exits the opposite face so it is never re-breathed.
Stage four
It arrives where you sit.
Spread evenly through a diffuser, then out through open mesh at the skin, where it carries heat away and lets sweat finally evaporate.
Why this exists
At 2am the cab is still 30 degrees.
You shut the engine off because idling all night burns fuel, and in a lot of places it is against the law. The air conditioning goes off with it. The bunk holds the whole day's heat, so you lie on top of the sheets with a clip fan pointed at your chest, moving the same hot air around. Then you get up and drive eleven hours on whatever sleep you managed.
Five engineered layers
Take a closer look.
Keep scrolling and watch the five layers come together into the one thin cushion that arrives at your door. Pick any layer to see it up close.
Five layers, in this order.
The order is the product.
It comes together.
Bonded as one panel. Nothing for you to assemble.
One cushion. 45 mm thin.
1.4 kg, on the seat you already have.
The problem with every other cushion
A fan does not make air cold.
A ventilated cushion moves the air that is already in your cab across your back. If the cab is 32 degrees, it is blowing 32 degree air at you. It moves the heat around. It never removes any.
Why air, and not a cold plate
4 W
A chilled plate under foam. Foam is an insulator, so almost nothing gets through.
50–75 W
Chilled air at the skin, plus the sweat it evaporates. The only mechanism that can take skin below air temperature.
Engine off
0.8 amps.
Eco mode draws about ten watts, roughly a couple of LED dome lights. It runs on 12 V without the engine, which is the entire reason it exists. Maximum is 5.4 A for pulling a hot cab down fast, not for leaving on all night.
Fitting it
One strap and a 12 V socket.
The module straps to the frame under the seat and the cushion sits on top of it. No drilling, no brackets, no splicing into the loom, nothing cut. It comes out as cleanly as it went in, which matters if the truck is not yours.
The numbers
Airflow
6 to 8 CFM
At the seat surface
Temp drop
Up to 10 °C
Below cab inlet air
Power
0.8 to 5.4 A
10 W eco, 65 W max
Voltage
9 to 32 V DC
12 V and 24 V trucks
Noise
Below cab floor
Inaudible at highway speed
Cushion
45 mm thin
450 × 420 mm, 1.4 kg
Module
2.5 kg
Straps under the seat
Install
No drilling
Strap mount, 12 V plug
Pre-production
Judge it on the engineering.
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