Mr. Heater Big Buddy Portable 18000 BTU Heater - Red
Mr. Heater Big Buddy Portable 18000 BTU Heater - Red
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Mr Heater

Mr. Heater Big Buddy Portable 18000 BTU Heater - Red

1,617 ratings
Mr. Heater Big Buddy Portable 18000 BTU Heater - RedMr Heater Big Buddy Portable 18 000 BTU Propane Heater MH18B
Size1

Key item features

  • Powerful Heating: Delivers 4,000, 9,000, or 18,000 BTU per hour, effectively heating areas up to 450 sq. ft.
  • Propane Fueling: Operates on propane gas, connecting to two 1 lb. cylinders or a 20 lb. cylinder with an optional hose.
  • Intuitive Controls: Features a single control start knob with Hi-Med-Low heat settings for easy operation.
  • Enhanced Safety: Includes an automatic low oxygen shut-off system (ODS) and an accidental tip-over safety shut-off.
  • Portable Design: Weighs 17.1 lbs with dimensions of 19.00 inches in length and 12.00 inches in width.
  • Versatile Regulators: Equipped with swivel regulators for flexible positioning.
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Specs

Btu, 18000Maximum room size, 450 sq ftFuel type, PropaneNumber of heat settings, 3Rec location, IndoorWeight, 17.1 lb

About this item

Product details

Mr. Heater Big Buddy Portable 18000 BTU Heater - Red
  • 4,000, 9,000, or 18,000 BTU per hour
  • Propane heater for use with propane gas
  • Heats up to 450 sq. ft.
  • Single control start knob
  • Hi-Med-Low heat settings
  • Swivel regulators
  • Automatic low oxygen shut-off system (ODS)
  • Accidental tip-over safety shut-off
  • Connects to two 1 lb. cylinders
  • Connects to a 20 lb. cylinder with optional hose

Specification: 

  • Heating Area (Sq Ft) : 450
  • Tank Capacity (Min) : 2 x 1# Propane Cylinder
  • Weight : 17.1
  • Model : MH18B
  • Length : 19.00
  • Width : 12.00
  • Thermostat : No
  • Safety Tip-Over Switch : Yes
  • Fuel Type : Propane
  • Heat Type : Radiant
  • Oxygen Depletion Sensor (ODS) : Yes
  • Indoor Safe : No
info:
We aim to show you accurate product information. Manufacturers, suppliers and others provide what you see here, and we have not verified it.  

Specifications

Btu

18000

Maximum room size

450 sq ft

Fuel type

Propane

Number of heat settings

3

Warranty

Warranty information

1 year warranty from date of purchase.

Please be aware that the warranty terms on items offered for sale by third party Marketplace sellers may differ from those displayed in this section (if any). To confirm warranty terms on an item offered for sale by a third party Marketplace seller, please use the 'Contact seller' feature on the third party Marketplace seller's information page and request the item's warranty terms prior to purchase.

Warnings

Customer ratings & reviews

4.6 out of 5 stars
stars
1,617 ratings1,425 reviews
Includes global ratings and reviews
How item rating is calculated
  1. 5 stars81% (1,303)
  2. 4 stars12% (187)
  3. 3 stars2% (40)
  4. 2 stars1% (23)
  5. 1 star4% (64)

Reviews summary

Pros

  • : Simple to use and handle without complexity.
  • : Offers competitive cost compared to similar products.
  • : Includes automatic shut-off and tip-over protection.
  • : Heats small areas effectively.
  • : Produces a surprising amount of heat given its dimensions.

Neutral

  • : Weighs little, but can feel flimsy.
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Filtered and sorted results would be available on the new 'Customer ratings & reviews' page.
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Showing 1-3 of 1,425 reviews

Oct 18, 2026
Reviewer name: Sammyboy
5 out of 5 stars
5 out of 5 stars review

Seller Verified Purchase

Heats up fast

I bought it a month ago and have not had a chance to use it till today, and it works GREAT!

Review from northerntool.com
Helpful?4ZCJUMNSOD6P545036266
Mar 3, 2026
Reviewer name: Robert
Item details
Size: 1
Sold and shipped byFocus Camera
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Why I purchased the Mr. Buddy

very reliable source for temporary heating.

Helpful?4ZCJUMNSOD6P545036266
Nov 30, 2025
Reviewer name: laverna
Item details
Size: 1
Sold and shipped byFocus Camera
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Concerned

So I can't use this in my apartment in case my electric goes off because of carbon monoxide has no odor and can kill you I didn't know this

Helpful?4ZCJUMNSOD6P545036266
reply from Mr. Heater Product Expert

Thank you for your review and feedback. This heater is safe for indoor use, as its oxygen depletion sensor will prevent it from producing CO. We appreciate your business!

Current price is $187.79
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