SKU: 17627862880

Espar Airtronic M3 B4L Gasoline Heater

$1256.85 $1396.50
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Ships within 48 hours · Estimated delivery Jul 12 - Jul 17

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Description

Espar Airtronic M3 B4L Gasoline HeaterThe Airtronic B4 is a compact and economical air heater that offers optimized fuel efficiency, a range of operation modes and unsurpassed safety standards. Perfect for cargo heater or bunk heater applications. Output 3,800 W, for vans and suitably sized trucks; offers the advantage of high power within a reasonable installation space, wide range of applications. Espar Climate Control Systems Airtronic air heaters operate like forced air furnaces

The Airtronic B4 is a compact and economical air heater that offers optimized fuel efficiency, a range of operation modes and unsurpassed safety standards. Perfect for cargo heater or bunk heater applications.

  • Output 3,800 W, for vans and suitably sized trucks; offers the advantage of high power within a reasonable installation space, wide range of applications.

Espar Climate Control System’s Airtronic air heaters operate like forced air furnaces utilizing the vehicle’s own fuel and power supply to produce heat without idling the vehicle. Heaters operate quietly and cycle through four output levels to provide the optimum temperatures at all times.

Units are suitable for a variety of applications but are especially well suited for cab and sleeper heat in class 8 trucks, workshop vehicles, and freight compartments. Airtronic air heaters can also be easily combined with one of Espar’s specially designed controllers for maximum controls and heater function.

This Airtronic AM3-B4L also has altitude adjustment up to 5500m / 18000 ft. built-in. No more need for additional module.

BENEFITS:

  • NEW M SERIES B4L and D4L incorporates brushless motor has extended the service life to 5,000 hours. This new motor, a modern control system and the use of the latest metering pump technology and CAN bus technology.
  • Economical
  • Low fuel and power consumption
  • Integrated control unit
  • Easy to install and maintain
  • Built-in self-diagnostics
  • Highest heat output available in the market
  • Quick release cover for easy access to components for maintenance
  • EPA verified and CARB compliant for use anywhere in North America 
  • Has a warranty of 2 years for reliable, long-term performance

Click Here to Download the Airtronic Data Sheet
Click Here to Download the Control unit EasyStart Pro
Click Here to Download the EasyStart Pro Product Information
Click Here to Download the Airtronic Product Information
Click Here to Download Installation Manual
Note: Installation instructions begin on page 23.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 17627862880

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4.2 ★★★★★
Based on 1532 reviews
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Verified Purchase
Linus' Mama
Massapequa, US
★★★★★ 5
Love it!
Color: Red Buffalo Plaid, Size: Full/Queen
Instantly became my favorite comforter for winter months. Colors are vibrant and beautiful; soft and warm; appears to be durable. I would get another of it came in others colors. Paired with the Amazon Basics red buffalo plaid sheet set. Matches my pajamas and my dogs’ bandannas perfectly!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 1, 2025
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Verified Purchase
LadyDeath/TxTunesLady
Draper, US
★★★★★ 5
Warm, cozy, soft, 💜 love
I don't leave reviews very often (yes that is cliche) I just don't have time. I have been debating for a few months one what I actually wanted to do with my bedroom. Spring is coming and the dark is getting to me and wanted to still get an elegant feel. I have some light baby blue around in my other comforter but I needed lighter brighter. I saw this and how SOFT is looked and I LOVE soft and cozy, who doesn't? I am so glad I took the chance. With that I also ordered the pillow....what I thought were pillows but didn't read very clearly they were just the covers so I ordered pillows then the picture I knew would still be elegant but be able to tie all the peices in and OFF the internet. Sometimes colors are not the same online as in person since monitors are always different shades of a color. Now on to this comforter. I didn't realize it came with the pillow covers. 💜 the set comes vacuum sealed but it is heavy when vacuumed. I undid the packaging a day later when I had time to wash. The cover flew out and I was perplexed, it's a pillow cover!!!! Awesome!!!! Ohhh there's 2, woohoo! Omg it's so soft. Oh I'm in heaven. Mmmmm hugging the pillow cover, I knew this was my kinda softness bed comforter. It is not LIGHT weight like say a throw blanket but it is light vs heavy bulky goose downs even though they say those are light. And when you wash it, its def not heavy if u spin the water out at super high setting on ur washer. I was able to carry it to the dryer fairly easy 20 ft away. This is by far the BEST comforter I bought in my life. I am a hoarder when it comes to comforters. Thinking if I'm ever homeless I'll have lots of somethings to keep me warm. For the price and the quality, (the batting inside doesn't shift when washing) this will be another purchase in the future in another color so I can start a soft collection. I usually give my comforters that I dont use ( the oldest but still perfect condition) to a friend or homeless. Great product!!!!
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Reviewed in the United States on February 6, 2020
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Verified Purchase
Luis
Waukegan, US
★★★★★ 5
Soft warmth for cold nights
Color: Charcoal, Size: King
This bedding set with faux mink fleece and sherpa backing is perfect for cold weather or low-heated rooms. It’s ultra-soft on both sides, and the down-alternative fill keeps warmth in without feeling heavy. The reversible design lets you switch up the look, and the stitching holds up well. Even after several washes, it keeps its texture and shape. No clumping or loss of loft. A practical choice for anyone who wants comfort, warmth, and simple style.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 14, 2025
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Verified Purchase
Laurie
Natrona Heights, US
★★★★★ 5
Great bedding at a great price!
Color: Tide Pool Blue, Size: King
I can’t believe how great this is for the price! Super soft, comfy and very warm. Perfect for wintertime. I don’t think I’d use it for other seasons…but it’s great right now.
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Reviewed in the United States on January 29, 2026
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Verified Purchase
Rose C
Natrona Heights, US
★★★★★ 4
Warm, soft, cozy… not very fluffy though
Color: Tide Pool Blue, Size: Full/Queen
I LOVE this comforter!! The color is beautiful, it’s super soft, it’s nice and warm, and it has a nice weight to it. I will say it isn’t as fluffy as it seems in the pictures, there doesn’t seem to be any filling between the 2 layers, and if there is, it’s minimal. It’s more like the thickness of a similar double sided throw blanket. It also has the tendency to grab any small debris which clings to it, but this is to be expected with this type of fabric. I would not recommend this comforter for pet owners as it will definitely be covered in hair and whatever else your furbabies may track in! Despite the lack of fluffiness and it constantly holding on to any loose thread or other random debris, I am still very happy with my purchase. Very good comforter for the price and it looks beautiful on the bed!!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 11, 2024

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