Transcool E3-12V Portable Air Cooler for Camping, RVs, Trucks & Pets
Original price was: $349.00 USD.$269.00 USDCurrent price is: $269.00 USD.
✔ PayPal • Apple Pay • Google Pay Accepted
Stay cool anywhere without draining your battery. The Transcool E3 is a 12V portable air cooler designed for real off-grid use in vans, trucks, tents and RVs.
Runs on just 0.7–1.7 amps
Built for real off-grid camping, vans & truck sleepers
💰 $269 USD + $29 Flat Rate Shipping
No Sales Tax • Limited stock available
Ships Direct From Australia on the next business day –Express Air Delivery
Why It Works Off-Grid
⚡ Runs all night on just 0.7–1.7 amps
✔ No generator required
✔ No expensive battery system
✔ Works with standard setups
12V Air Cooler vs Portable Air Conditioner (Off-Grid Comparison)
❌ Portable Air Conditioner
- 40–100+ amps
- Needs $2000–$5000 battery system
- Often requires generator
- Flattens batteries quickly
- Long recharge times
✅ Transcool E3
- 0.7–1.7 amps
- Runs all night
- No generator required
- Works with standard 12V setups
- Built for off-grid use
- Designed as a personal cooling solution — not a full air conditioning system — making it perfect for targeted off-grid comfort.
Trusted Since 2002
✔ Over 20 years proven design
✔ Used by overlanders, RV owners & truck drivers
✔ Designed & built in Australia
🚨 Limited stock available
🚚 Fast dispatch (1-2 days)

🎁 Limited Time Bonus
✔ FREE 5L External Water Tank (valued at $25)
✔ FREE 110–240V AC Power Adapter (valued at $49)
👉 $74 of added value — included free
Best 12V Air Cooler for RV, Van Life, Truck Sleepers & Camping
Perfect For:
- Rooftop tents
- Truck sleepers
- Vans & RVs
- Camping setups
- Pets

Shipping & Support
✔ Ships direct from Australia
✔ Typical delivery: 3–6 days
✔ No US sales tax
✔ 2-year warranty
✔ Spare parts & support available
Stay Cool Without the Power Drain
$269 USD + $29 Flat Rate Shipping
No Sales Tax • Ships Direct From Australia
Do NOT add the 110V to 12V Transformer or external Water tank into the cart as it will be supplied automatically with Transcool E3 purchase
Links for more information below-
Learn how evaporative cooling works
Best 12V Air Cooler for Off Grid Tents, RV & Truck Sleepers
Not sure if this is right for you? Read our 12V air cooler vs portable air conditioner guide
Living the van life? See how to cool a van without AC
Looking for comparisons? Explore the best 12V air coolers for RVs and trucks
Designed and Built by a Real User
Peter builds and tests every single unit individually.
“After years working in hot trucks and off-grid environments, I built Transcool to solve a simple problem — staying cool without draining batteries.”

— Peter Donegan
Description
✔ PayPal • Apple Pay • Google Pay Accepted
Best 12V Air Cooler for RV, Van Life, Truck Sleepers & Camping
Transcool E3-12V Portable Air Cooler
The Transcool E3– 12-volt portable air cooler is a compact, robust and versatile unit designed for travelers, campers, truckers, off-roaders, and pet owners who need low-power cooling on the go. Built tough for Australian and U.S. conditions, the E3 delivers refreshing airflow while running from your vehicle’s 12V socket, a battery pack, or solar power — anywhere, anytime.
Why Choose the Transcool E3?
Runs from 12V/ 24VDC, or AC Shore power (with complimentary AC adapter).
Low current draw – safe for batteries and solar setups.
Lightweight, compact, and built for travel.
Water efficient – up to 8 hours per fill with 1/2 gallon internal water tank
- Add ice to internal tank for added cooling
- No excess humidity, damp air or condensation
- Cool air for a comfortable sleep.
- Proven reliability worldwide since 2002.
- Can be used in moving vehicles (Not recommended for use in rough terrain or off road racing)
Why Not Just Use an Air Conditioner?
Portable air conditioners may sound appealing — but in real off-grid conditions they come with major drawbacks:
High power consumption (often 40–100+ amps)
Requires large lithium battery systems or generators
Drains batteries quickly
Long recharge times (often hours or days)
The Transcool E3 avoids all of this.
✔ Uses a fraction of the power
✔ Runs quietly without generators
✔ Keeps working when other systems can’t
Cooling for Every Adventure
Beat the summer heat while camping. The Transcool E3 provides personal cooling in tents or rooftop tents. Just place near a vent or mesh window for best results. Quiet enough for overnight use.
Caravans & Camper Trailers
Perfect for caravans and camper trailers where power is limited. The Transcool E3 provides low-draw cooling that won’t drain batteries, making it ideal for long off-grid stays.
RVs & Off Grid Boondocking
When rooftop A/C isn’t practical, the Transcool E3 12V Portable Air Cooler keeps you comfortable inside your RV. Pair with a portable power station or solar system for extended boondocking.
Truck Sleeper Bunks
The Transcool E3 12V Portable Air Cooler designed for long-haul comfort. Compact size fits into sleeper bunks, providing steady airflow during rest stops. Runs directly from your truck’s 12V or 24V socket or auxiliary battery.
Dogs & Pets
Help your pets stay cool at camp or while traveling. The Transcool E3-12V Portable Air Cooler provides safe airflow and evaporative cooling for dogs and cats. Always ensure ventilation, shade, and fresh water — never leave pets unattended in hot vehicles.
4WD & Van Life
Compact and rugged enough for 4WD touring and overlanding setups. A Transcool E3-12V Portable Air Cooler that is easy to run from a dual-battery system or portable solar pack for true off-grid cooling.
Power & Runtime Options
Runs from vehicle sockets, deep-cycle batteries, or portable power stations.
Runtime per fill: 2-8 hours (depending on fan speed), AND you can run the E3 as a fan without water!
Average power draw: 8–21W. (0.7 – 1.7Amps)
Compatible with solar setups for continuous off-grid use.
- All info including Specs & FAQ’s TAbs below
FAQ'S
Specifications
The Transcool E3 12 V portable air cooler
Use with 12 volt, 24 volt or 110v AC shore power.
Runs on 12V at just 0.7–1.7 amps.
That’s roughly 8–20 watts (depending on fan speed) and no startup surge — startup is only 1.7A too. Ideal for off-grid camping where battery life matters.
Low -0.7 Amps (8 Watts)
- High -1.7 Amps (21 Watts)
- Compact-
- Length – 9.5″
- Height – 8.6″
- Width – 8.6″
- Lightweight 4 lbs weight
- Powerful moisture proof electric fans with 70,000+ hours life span
- Power fan capable of moving over 240 CFM of air at a velocity of over 2187 ft/m
- Can deliver air up to 50% cooler (at the vent) than ambient air temperature (when using ice water)*
- Durable evaporative filter pad with increased air velocity & life span (500+ hours)
- Easy fill slide lid with overfill protection
- 4 Directional air vents-–open or close any of these vent nozzles to customize airflow
- Variable speed fan
- Semi Baffled for use in moving vehicles-(However these are not for recommended for use in rugged and rough off road conditions such as ATV’s etc.
- 9′ power lead with plug for cigarette lighter socket
- Fan noise level generally equivalent to your average car air conditioner
- 24 month warranty (excluding filter pads and external water tank)
- Condensation build up is not an issue using Transcool with adequate ventilation
- FREE return postage if warranty work is required
- Worldwide Warranty Service Centers
Warranty & Returns
* Transcool warrants 24 months from date of purchase any E3 that does not perform correctly due to defects caused by faulty workmanship or materials. Our obligation assumed under this warranty is to the repair or replacement of the parts, without charge, which are defective and have not been misused, carelessly handled or defaced by repairs made or attempted by others. Consequential damages due to this product are not covered.
Warranty excludes air filter and external water tank.
The warranty is only valid if purchase receipt is supplied.
Warranty is not transferable with secondary sale of Transcool after original purchase, warranty is only valid with original purchaser.
The product can be returned free of charge (for warranty repairs) by you using our prepaid return postage feature.
Returns are accepted as per ACCC consumer laws which states a refund is only given if the item is faulty or does not match product description – so please read FAQ’s carefully as we outline exactly what the Transcool will, and will not do.
Refund only given within 7 Days of purchase, Refund is unit purchase price less 20% restocking fee.
The shipping cost we initially paid to ship to you will not be included in the refund. We will supply a copy of the postal invoice showing the shipping cost we were charged for your unit delivery when you purchased it.
Buyer is responsible for return shipping costs
Item must be unmarked, complete and in well protected packaging with copy of purchase receipt.
Unit will be inspected by us upon return before refund is given.
Shipping
$29 FlatRate USA-Canada
Units are shipped from Australia/USPS Express.
Delivery times: 4-10 business days to USA/CANADA depending upon location
Videos
Which is right for you?
Which cooling solution suits your setup?
Choose a portable compressor A/C if you:
Need refrigerated cooling + dehumidifying
Can seal a small space reasonably well
Have a large battery system + inverter / 110V power
Are OK with high power draw and potential startup surge
Choose the Transcool E3 if you:
Want true low-draw 12V cooling (0.7–1.7A)
Camp off-grid and want longer runtime
Prefer simple setup (no inverter sizing headaches)
Want a cooler built to last (we often hear 15–20 year stories)

































