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Mr. Heater MH4B-Massachusetts/Canada Portable LP Heater , Red

  • Based on 784 reviews
Condition: New
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Availability: In Stock.
Fulfilled by Hearthshire

Arrives Monday, Mar 2
Order within 14 hours and 49 minutes
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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 areas up to 95 square feet. Imagine cozying up in your ice fishing shack, 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: Portable


Color: Red


Form Factor: Dish


Indoor/Outdoor Usage: Outdoor


Brand: Mr. Heater


Special Feature: Portable


Color: Red


Form Factor: Dish


Indoor/Outdoor Usage: Outdoor


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


Recommended Uses For Product: Outdoor Use


Mounting Type: Tabletop Mount


Room Type: Patio


Heating Coverage: 100 sq ft


Burner type: Radiant


Fuel Type: Propane


Voltage: 110 Volts


Max Temperature Setting: 120 Degrees Fahrenheit


UPC: 089301151208


Global Trade Identification Number: 08


Item Weight: 4.08 pounds


Manufacturer: Mr. Heater Corporation


Item model number: MH4B


Is Discontinued By Manufacturer: No


Care instructions: See Product Manual


Dishwasher compatible: No


Assembly required: No


Number of pieces: 1


Warranty Description: 3 year limited.


Batteries required: No


Included Components: Heater


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Monday, Mar 2

This item is non-returnable:

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

View our full returns policy here.

  • Klarna Financing
  • Affirm Pay in 4
  • Affirm Financing
  • Afterpay Financing
  • PayTomorrow Financing
  • Financing through Apple Pay
Leasing options through Acima may also be available during checkout.

Learn more about financing & leasing here.

Top Amazon Reviews


  • Heater
Works perfect! Bought for my side by side, and it warms great!
Reviewed in the United States on January 2, 2026 by Ashley Burriss

  • Works great in a hunting blind
Easy to carry , no smell,does a great job of extending your sit
Reviewed in the United States on January 16, 2026 by brian cross

  • Mr. Heater makes a great gift for a hunter.
This Mr. Heater MH4B was purchased as a Christmas gift. However, it was put to use during the last week of deer hunting. Husband very pleased with it. He felt it did an excellent job of warming and was fuel efficient. Was not too heavy to move around safely.
Reviewed in the United States on December 27, 2025 by Judith A. Hutchison

  • Nice little heater
Porduct is as advertised. Very simple to use & puts out an adequate amount of heat when seating on my screened-in back porch on chilly mornings. Appears to be well made & is very simple to operate. I'm enjoying it very much!
Reviewed in the United States on March 3, 2023 by Billy D.

  • comfort and protection
works great,safety features,
Reviewed in the United States on December 21, 2025 by Peggy

  • Fast service
Works well
Reviewed in the United States on December 18, 2025 by Dave

  • Work great
Work great have it just in case my electric goes out in the winter
Reviewed in the United States on October 31, 2025 by Diana Easter

  • Underrated very good product
I was going to return it because I thought it was too small but it heat up my 8x10 and 6 feet tall tent very well. It wasn't really cold but just like 60 to 55 degrees and it did well. This I use as a quick to warm my tent and the woodstove if I need a longer amount of heat but when I sleep I have a heated sleeping bag. This is just want I needed for that morning waking up. It's right near my bed so when I wake up. ... show more
Reviewed in the United States on April 17, 2025 by Xavier Xavier

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