Mr. Heater - MH4B 3800 BTU Portable Little Buddy Propane Heater - Black
About This Item
- Key Specs
- Area Heated: 18.1 square feet
- Form Factor: Freestanding (The size, arrangement, and physical configuration of the product.)
- Indoor Or Outdoor Use: Indoor (Indicates the appropriate environment product was designed to be used in.)
- Auto Shut-Off: true (Feature automatically turns off the product.)
- Tip-Over Safety Switch: true (This feature automatically turns off the heater if it senses the device is tilted more than a specified angle.)
- Adjustable Thermostat: false
- Primary Fuel Type: Liquid propane
- Heat Output: 3800 british thermal units per hour
- Ignition Type: Electronic
- General
- Brand: Mr. Heater
- Model Number: F215100
- Product Name: Mr. Heater MH4B 3800 BTU Portable Little Buddy Propane Heater
- Color: Black
- Dimensions
- Area Heated: 18.1 square feet
- Product Height: 14.1 inches (The out of box height of the item. Height is measured as the vertical distance from the bottom of the item to the top as it would be primarily used or placed.)
- Product Width: 10.6 inches (The out of box width of the item. Width is measured as the horizontal distance from one side of the item to the other as it would be primarily used or placed.)
- Product Depth: 6 inches (The out of box depth of the item. Depth is measured as the distance from the front of the item to the back as it would be primarily used or placed.)
- Product Weight: 8 pounds (The out of box weight of the item.)
- Features
- Form Factor: Freestanding (The size, arrangement, and physical configuration of the product.)
- Indoor Or Outdoor Use: Indoor (Indicates the appropriate environment product was designed to be used in.)
- Auto Shut-Off: true (Feature automatically turns off the product.)
- Tip-Over Safety Switch: true (This feature automatically turns off the heater if it senses the device is tilted more than a specified angle.)
- Adjustable Thermostat: false
- Power
- Primary Fuel Type: Liquid propane
- Heat Output: 3800 british thermal units per hour
- Ignition Type: Electronic
- Warranty
- Warranty - Parts: One year limited manufacturer warranty
- Warranty - Labor: One year limited manufacturer warranty
- Other
- UPC: 089301151000
Produces 3,800 BTUs per hour. For use with propane gas. Heats up to 100 square feet. Features one-button ignition and a compact 8-inch round stand. Includes tip-over safety protection.
- Compact Indoor-Safe Heat: Delivers 3,800 BTUs of clean propane heat, safely warming up to 95–100 square feet of enclosed indoor space.
- Easy One-Button Ignition: Simple push-button start for quick, reliable ignition and hassle-free operation.
- Lightweight and Portable: Compact design with an integrated base makes it easy to carry and use in small rooms, cabins, or work areas.
Q: Does this heater only have a cup holder stand?
A: Thank you for your inquiry. No, the MH4B does not have a cup holder stand. Have a great day!
Reviews
Rating 5 out of 5 stars with 1 review
The vast majority of our reviews come from verified purchases. Reviews from customers may include My Best Buy members, employees, and Tech Insider Network members (as tagged). Select reviewers may receive discounted products, promotional considerations or entries into drawings for honest, helpful reviews.
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Produces 3,800 BTUs per hour. For use with propane gas. Heats up to 100 square feet. Features one-button ignition and a compact 8-inch round stand. Includes tip-over safety protection.

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