Mr. Heater Little Buddy Propane Heater
The Mr. Heater F215100 MH4B Little Buddy Propane Heater is a practical and portable solution for heating small spaces. Its safety features and ease of use make it a dependable choice. However, if you need to heat larger areas or require stronger output, you may want to consider a more powerful model.
Where to Buy
| Retailer | Price | Last seen | Buy |
|---|---|---|---|
M My Store | $21.00 | Apr 1, 2023, may have changed | Buy Now |
M My Store | $29.99 | Mar 19, 2023, may have changed | Buy Now |
A aeonlinedeals | $44.99 | Aug 7, 2022, may have changed | Buy Now |
F Fleet Farm | $49.99 | Nov 11, 2023, may have changed | Buy Now |
 Amazon Sold by Earthly Elegance LLC | $51.71 | Oct 25, 2024, may have changed | Buy Now |
Prices are collected from retailer listings; each row shows the date we last saw that price. Return and shipping terms are each store's standard policy from our retailer research (April 2026). Some products and categories have different terms, so check with the store before you buy.
Used & Refurbished
✨ See 6 used & refurbished prices with ShopSavvy ProGet the app →Price history summary
Lowest new price we recorded at major retailers (Amazon, Walmart, Best Buy, Target, The Home Depot and Lowes) in the last 90 days: $62.57 at Amazon on Aug 1, 2026.
Range over the last 12 months: $62.57 (Amazon, Aug 1, 2026) to $78.21 (Amazon, May 27, 2026). Based on 7 recorded prices since May 27, 2026 for offers sold by these retailers themselves (not marketplace sellers). Summary as of Oct 14, 2026.
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Pros
- •Provides efficient heating, making small spaces cozy quickly.
- •Lightweight and portable, easy to carry and move around.
- •Safety features include Low-Oxygen Safety Shutoff and Tip-Over Protection, ensuring user safety.
- •Operates for up to 5 hours on a single propane canister, making it convenient for continuous use.
- •Ideal for use in both indoor and outdoor settings like garages, tents, and cabins.
Cons
- •Not suitable for heating larger rooms beyond the 100 sq ft it covers.
- •Propane canisters need to be purchased separately, adding extra cost.
- •Limited to 3800 BTUs, which may not be sufficient for very cold conditions.
- •Requires proper ventilation despite being labeled as indoor-safe.
Bottom Line
The Mr. Heater F215100 MH4B Little Buddy Propane Heater is a practical and portable solution for heating small spaces. Its safety features and ease of use make it a dependable choice. However, if you need to heat larger areas or require stronger output, you may want to consider a more powerful model.
What Reviewers Are Saying
Customer Ratings
Based on 8,000 reviews from Amazon
Common Questions
Is the Mr. Heater Little Buddy safe to use indoors?Published 2 years ago
If you're curious about using the Mr. Heater Little Buddy indoors, it's designed with some solid safety features. This portable heater, model F215100 MH4B, is great for warming small spaces up to 95 s...
Read full answerHow much area can the Mr. Heater Little Buddy F215100 effectively heat?Published 2 years ago
The Mr. Heater Little Buddy F215100 is a propane heater that's perfect for small indoor spaces. It puts out 3,800 BTUs, which is good for heating areas up to about 95 square feet. So, think tents, she...
Read full answerHow long does a propane tank last with the Mr. Heater Little Buddy?Published 2 years ago
If you're planning to use the Mr. Heater Little Buddy, you'll probably want to know how long your propane tank will last. This little heater runs at 3,800 BTUs, and with that, a standard 1 lb. propane...
Read full answer📚More About Mr. Heater Little Buddy Propane Heater
Discussion
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