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Mr. Heater

Mr. Heater 3,800 BTU Little Buddy Portable Radiant Propane Heater

  • Based on 8,782 reviews
Condition: New
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Availability: In Stock.
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Arrives Tuesday, Aug 4
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Features

  • 3,800 BTU per hour
  • For use with propane gas
  • Heats up to 95 sq ft
  • One button ignition on function
  • 8in round stand; uses little floor space
  • Accidental tip-over safety shut-off
  • Automatic low oxygen shut-off system
  • Connects directly to one 1lb propane cylinder
  • Quiet, clean,odor-free operation
  • The use of un-authorized accessories/attachments with this heater are expressly prohibited, may cause serious injury, and will void the warranty.

Description

Stay toasty and comfortable wherever your adventures take you with the Mr Heater Little Buddy Heater. Designed for outdoor enthusiasts like campers, hunters, and hikers, this portable powerhouse delivers an impressive 3,800 BTU per hour, effortlessly warming spaces up to 95 square feet. Imagine cozying up in your ice fishing shack or tent, surrounded by the quiet, clean warmth this heater provides, all without the hassle of odors or noise. With its user- friendly one-button ignition, getting started is a breeze, and its compact 8-inch round stand ensures it occupies minimal floor space. You can count on the Little Buddy for reliable safety, thanks to an array of features like the Oxygen Depletion Sensor (ODS), accidental tip-over safety shut-off, and cross- thread protection. Plus, its self-extinguishing plastic and thermocouple add peace of mind while you enjoy the great outdoors. Simply connect it to a 1 lb propane cylinder, and you're set for hours of worry-free warmth. Whether you're embarking on a chilly hike or setting up camp under the stars, the Mr Heater Little Buddy Heater promises the comfort and dependability you need to make every experience memorable.

Brand: Mr. Heater


Special Feature: Lightweight, Low-Oxygen Safety Shutoff, Portable, Tip-Over Protection


Color: Black/Red


Form Factor: Portable


Indoor/Outdoor Usage: Indoor, Outdoor


Special Features: Lightweight, Low-Oxygen Safety Shutoff, Portable, Tip-Over Protection


Form Factor: Portable


Indoor Outdoor Usage: Indoor, Outdoor


Power Source: gas_powered


Heating Method: Radiant


Recommended Uses For Product: Indoor, Outdoor Heating


Mounting Type: Floor Mount


Room Type: Home Office, Study Room


Heating Coverage: 95


Heating Element: Radiant


Heat Output: 3800 British Thermal Units


Fuel Type: Propane


Number of Speeds: 1


Voltage: 110 Volts


Min Temperature Setting: 40 Degrees Fahrenheit


Max Temperature Setting: 900 Degrees Fahrenheit


Color: Black/Red


Brand Name: Mr. Heater


Model Number: F215100


Warranty Description: 3 Year Limited


UPC: 089301151000


Global Trade Identification Number: 00


Part Number: F215100


Unit Count: 1.0 Count


Item Type Name: heater


Manufacturer: Enerco Group Inc.


Included Components: heater


Item Dimensions D x W x H: 8.35"D x 10.31"W x 10.04"H


Item Weight: 5.6 Pounds


Cable Length: 45 Feet


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Tuesday, Aug 4

This item is non-returnable:

Non-returnable. Transportation of this item is subject to hazardous materials regulation

View our full returns policy here.

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Top Amazon Reviews

    • Mr. Heater Little Buddy: A Portable and Powerful Heating Companion
Style: Heater
This Mr. Heater Little Buddy has become my go-to for staying warm in various situations. Whether I'm camping, working in the garage, or dealing with a power outage, this little heater provides reliable and efficient warmth. What I liked: Portable and Compact: It's incredibly lightweight and easy to carry around. The compact size makes it easy to store and transport. Powerful Heat Output: Despite its small size, this heater packs a punch. The 3800 BTU output is enough to warm up a small space quickly. Indoor Safe: The oxygen depletion sensor (ODS) and accidental tip-over safety shut-off provide peace of mind when using it indoors. Easy to Use: Simply connect a 1lb propane cylinder, turn the knob, and push the igniter button. It's that easy! Efficient Fuel Consumption: It runs for a decent amount of time on a single propane cylinder. Minor Considerations: Open Flame: As with any propane heater, it's important to use it in a well-ventilated area and keep it away from flammable materials. Not for Large Spaces: This heater is designed for small spaces. It's not ideal for heating large rooms. Overall: The Mr. Heater Little Buddy is a fantastic portable heater that's perfect for a variety of situations. It's compact, powerful, and easy to use. I highly recommend it for anyone looking for a reliable and portable heating solution. ... show more
Reviewed in the United States on January 23, 2025 by R Washington
    • Powerful heater
Style: Heater
Amazing heater buddy. Exactly what I needed for hunting in my blind. Gives just the right amount of heat out.
Reviewed in the United States on June 15, 2026 by Manuela E.
    • Say brrrrrr no more with the buddy heater!
Style: Heater
Great product that works as advertised.
Reviewed in the United States on June 28, 2026 by noble
    • Great little heater!
Style: Heater
The heater went out in my car and is going to cost more to fix than what the car is worth. I am buying a new car in the spring, but needed a way to heat the car through the winter. Bought this heater to keep me warm on my half hour drives to and from work every day. So far we've only had morning temps. in the mid 20's, but I turn this heater on and put it in the car 10 minutes before I leave and the car is toasty warm inside, it actually gets too warm when I'm about half way to work and have to shut it off just so I'm not sweating. Although this is a little bit bigger than what I was expecting, it does the job that I need it to do. I thought about getting an electric heater, but the ones that plug into the cigarette lighter don't even give off enough heat to defog the windshield and the one that hardwire directly to the battery can be bulky, I didn't want to bother with the wiring and they are not portable. The other reason I decided to go with this to heat my car is the fact that it is portable. I have a shed that I use as a workshop and this little heater would be perfect for heating my workspace. From other reviews it seems as though one small propane tank last about 4-5 hours. I cannot really vouch for that yet, but I have used this for three days now, 20-25mins in the morning and 10-15 minutes after work each day and there is still well over half a tank. The only downfall I've found is that when this guy is on it's on, there is no knob to turn it up or down. Oh and the work "ON" is embossed on the on button, not so much of a problem with the heater itself, but really doesn't feel all that wonderful while holding the button down to light the unit. ... show more
Reviewed in the United States on November 19, 2016 by Travis
    • Negative reviews can be misleading...please read (sorry it's long!)
Style: Heater
UPDATE: After ending up unexpectedly in Rawlins, WY in April (19 degrees overnight!), I put this heater to the test! It absolutely saved us from freezing! Through no fault of the product, it only ran for 6 hours or so (when the canister ran out of fuel), but it kept us comfortable through the night. I ABSOLUTELY recommend this heater! (Original post) Full disclosure: I haven't had the chance to use this heater in the field (van camper) yet, but will be using it over the next few weeks (thus only 4 stars for now). I'm writing this review anyway because there seems to be much confusion around this product. Issue #1: Multiple reviews I read indicated this item does not work with Coleman propane cannisters. Because of this, I ordered Bernzomatic cannisters from Amazon - at double the price! - only to learn they won't arrive in time for my upcoming trip after all. So, not one to be defeated, I headed to my local Walmart and grabbed a 4-pack of the Coleman cannisters to try. And guess what? I am able to use them just fine! They fit into the heater base easily, and it does not feel unstable at all. There is a soft plastic "boot" on the Coleman cannister - presumably to allow it to stand on its own in other applications - but it can be removed if you're having issues getting the cannister into the Buddy base. As noted, the Coleman are significantly less expensive than other brands, so knowing this is a workable option will hopefully help you. Issue #2: When I opened my box today and took the pieces out, I heard what sounded like a ball/bearing rolling around in the heater unit: oh, no! I immediately assumed the worst, came to Amazon to ask the question, and read many answers where users experienced the same thing. Most responses indicated returning the heater immediately, with no indication that it was ever tested. ONE user explained that the noise is the safety mechanism that turns the unit off if tipped: well that gave me hope! I finally looked at the instructions (which I hadn't even done yet, cuz you know, who needs instructions?) and there's a page stapled to the front of the instruction booklet that specifically explains this! Again, I haven't field-tested the unit yet, but did try it here at the house, and it definitely started producing heat pretty quickly - so it seems to be working. I will try to upload some pics and will update my review after traveling with the heater. BTW, I ordered a "used - very good" version to save some money, and while the original box was somewhat damaged, the parts inside were in perfect condition! As of now, I would definitely recommend this heater! Thanks for reading this far - hope it was helpful! ... show more
Reviewed in the United States on March 26, 2024 by solunamama
    • Have a 3 sizes- This one is awesome for small-space applications.
Style: Heater
Reading over most issues (most common ones) I decided to give it a buy since I have the Big Buddy, Buddy, and now Little Buddy. The Regular one and big one have been flawless for years in my pop-up camper, tent, and in the shed. They worked great for my ice shanty and deer blind but I wanted something smaller and lighter. For an ice shanty, deer blind, and truck bed cap (setup to camp in) the Little Buddy work awesome! Don't expect to ice fish in a t-shirt and shorts or hunt in your own personal sauna (although it would be nice) but this is perfect to take the chill out of the air and allow you to fish and hunt all day comfortably. Small enough to pack in a backpack or sled with a few 1lb bottles. As far as starting: pretty simple but as with all propane equipment it may take a few minutes to get going in cold temps since LPG pressure is lower as the ambient temp drops. The best way to mitigate this is to stow the bottles out of the cold air. I pack them in my backpack or sled out of the wind and put a couple hand warmer on them. That's just enough to mitigate this issue when temps are below 20 Degrees Fahrenheit. I do wish it came with a bag or case of some kind just to protect it during storage or transport but I made a little canvas sack to put it in when its cooled off. (I image they don't give you one because some people might put it away hot and they want to reduce any liability on their end) Overall great product for 100sq ft or less applications (Hunting blind, 1 or 2 man shanty). Highly recommended! ... show more
Reviewed in the United States on January 18, 2015 by John S.
    • Great heater for camper van!
Style: Heater
I bought this to use in my camper van. I only turn it on periodically to remove the chill; I do not run it while sleeping. Some reviewers state the tip-over valve does not work properly. Others say it will not re-ignite after tip-over. I intentionally put this to the test multiple times. It DOES shut off. And the first time I had a problem relighting it. The thing that worked for me was to unscrew the propane bottle just enough to "burp" it while holding in upright position, relieving the pressure. Retighten the tank and light per instructions. Works like a charm!! ... show more
Reviewed in the United States on December 8, 2025 by Shomang
    • I recommend it for vendors.
Style: Heater
I recommended this heater to a friend and realized I haven't left a review for it yet. This compact heater that sits on a 1lb propane bottle is my best friend for fall and spring vending season events. I use it in my 10x10 canopy to keep me from freezing. It puts out a nice amount of heat, but doesn't push it very far. So I need to be sitting close to the heater. I usually put it a short distance from my chair in the back corner where it won't be in the way. It's completely silent when running. Portable compact size fits in the car with or without the propane bottle. This is the second year I've used it ( fall and spring) and I've had no problems. So 2 years going strong. The ring base is wide enough I don't have to worry about it tipping over on gravel or grass. I get about 6hours of run time with one cylinder. More than enough for a short event ( till it warms up outside). I'm always aware of the placement so nothing burns or no one knocks it over. I always use it with somewhere in the canopy open when the sidewalls are closed for oxygen. ... show more
Reviewed in the United States on October 12, 2025 by Snowbird

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