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Mr. Heater Big Buddy Pro Series Propane Heater, 18000 BTU, Red

4.6 4.6 out of 5 stars 2,969 ratings
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Amazon's Choice in Outdoor Heaters by Mr. Heater

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Red

Purchase options and add-ons

Brand Mr. Heater
Special Feature Portable, Low-Oxygen Safety Shutoff, Adjustable Temperature, Flame Resistant, Tip-Over Protection
Color Red
Form Factor Pedestal
Indoor/Outdoor Usage Outdoor, Indoor
Power Source
gas_powered
Heating Method
Radiant
Item Weight
11 Pounds
Heat Output
18000 British Thermal Units

About this item

  • 4,000- to 18,000-BTU radiant heater for spaces up to 450 square feet. Approved for indoor/outdoor use; clean-burning; nearly 100-percent efficient
  • When operating the heater at altitudes over 7,000 FT above sea level the heater may shut off. Maximum Hours Of Operation- 220.0
  • Auto shut-off if tipped over, if pilot light goes out, or if detects low oxygen levels
  • Low, medium and high heat level control knob for steady temperatures; connects to propane tank (not included). Note- Due to recent governmental changes to import tariffs, Mr. Heater has removed the fan on some models of the Mr. Heater Big Buddy (MH18B).
  • THE USE OF UN-AUTHORIZED ACCESSORIES/ATTACHMENTS WITH THIS HEATER ARE EXPRESSLY PROHIBITED, MAY CAUSE SERIOUS INJURY, AND WILL VOID THE WARRANTY.
See more product details

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$129.99
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$24.99 ($2.50/Foot)
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$14.69
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Mr. Heater Big Buddy Pro Series Propane Heater, 18000 BTU, Red
Mr. Heater Big Buddy Pro Series Propane Heater, 18000 BTU, Red
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Price$129.99$167.99-14% $119.99
Typical:$139.99
-39% $129.99
List:$213.67
-6% $149.99
List:$159.99
$149.99
Delivery
Get it as soon as Tuesday, Mar 26
Get it Mar 26 - 28
Get it as soon as Thursday, Mar 28
Get it as soon as Tuesday, Mar 26
Get it as soon as Tuesday, Mar 26
Get it as soon as Tuesday, Mar 26
Customer Ratings
Heat output
4.7
4.5
4.5
4.6
Safety Features
4.6
3.8
4.7
4.6
Maneuverability
4.3
4.2
4.4
Sold By
Amazon.com
The Great American Wilderness
thermoflow
Lifestyle by Focus
Amazon.com
Lifestyle by Focus
power source
gas powered
Gas Powered
Gas Powered
Gas Powered
gas powered
Gas Powered
heating method
Radiant
Radiant
Radiant
Radiant & infrared,
Radiant, Convection
fan & forced air, Convection
heating coverage
400 sq ft
225 square feet
450 square feet
Radiant & infrared,
450 square feet
450 square feet
heat output
18000 btus
18000 btu per hour per foot per fahrenheit
18000 btus
18000 btus
18000 btus
weight
11 pounds
14.6 pounds
15.1 pounds
15 pounds
1 pounds

From the manufacturer

Big Buddy;mr heater;mr buddy;big buddy;portable heater;MH18B
Big Buddy;mr heater;mr buddy;;portable heater;MH18B;F274800;indoor safe heater

Big Buddy;mr heater;portable heater;indoor safe;radiant heater

Big Buddy;mr heater;portable heater;indoor safe;radiant heater

Big Buddy;mr heater;portable heater;indoor safe;radiant heater

Heavy-duty safety wire guard for added tile protection and rugged durability while traveling

Low, medium & high heat settings

Dual ceramic burner tiles with shock absorbing insulation

Big Buddy;mr heater;mr big buddy;portable heater;heater with handle
little buddy portable buddy hunting buddy big buddy buddy flex
Learn More Learn More Learn More Learn More Learn More
Customer Reviews
4.5 out of 5 stars
7,764
4.7 out of 5 stars
26,097
4.7 out of 5 stars
984
4.6 out of 5 stars
4,597
4.4 out of 5 stars
992
BTU 3,800 BTU 4,000 / 9,000 BTU 6,000 / 12,000 BTU 4,000 / 9,000 / 18,000 BTU 8,000 - 11,000 BTU
Heats up to 95 sq. ft. 225 sq. ft. 300 sq. ft. 450 sq. ft. 275 sq. ft.
Run time 5.6 hours 5.4 hours on low / 2.4 hours on high 3.6 hours on low / 1.8 hours on high 10.8 hours on low / 4.8 hours on medium / 2.4 hours on high 3.5 hours on low / 2 hours on high
Ignition Piezo Piezo Electric Piezo Electric
Tank Size 1 lb. cylinder 1 lb. cylinder 1 lb. cylinder (2) 1 lb. cylinders 1 lb. cylinder
20 lb. tank hook up option
Swivel regulator
Indoor safe

Product Description

The Most Popular Portable Propane Heater in North America. This patented radiant 4,000-18,000 BTU Liquid Propane heater connects directly to two 1 lb. cylinders and is the perfect solution for heating enclosed spaces like cabins up to 450 sq. ft. An integrated fan increases the heating capacity of this unit, blending radiant and convection style heat to give you the best of both worlds. Two swivel regulators give you the ability to adapt usage from disposable cylinders to a remote gas supply with the purchase of a single hose and filter. To light the unit, simply push and rotate the knob. The built in Piezo sparking mechanism will take care of the rest. With the Oxygen Depletion Sensor (ODS) and accidental tip-over safety shut-off, you can be sure that you will enjoy years of comfortable indoor safe heat.*WE ARE NOT ABLE TO SELL THIS PRODUCT TO CANADA AND MASSACHUSETTS* **Please note when operating the heater at altitudes over 7,000 FT above sea level the heater may shut off.**

Product information

Technical Details

Additional Information

Warranty & Support

Product Warranty: For warranty information about this product, please click here. [PDF ]

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Mr. Heater Big Buddy Pro Series Propane Heater, 18000 BTU, Red


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What's in the box

  • heater
  • Product guides and documents

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    Customer reviews

    4.6 out of 5 stars
    4.6 out of 5
    2,969 global ratings

    Customers say

    Customers like the quality, temperature and ease of use of the heater. For example, they mention it works well, is easy to set up and use, and is highly portable. That said, opinions are mixed on performance, ignition, and smell.

    AI-generated from the text of customer reviews

    720 customers mention629 positive91 negative

    Customers like the quality of the heater. They say it works well, produces good heat, and is dependable. Customers also mention that it's well-put together and a great heater at a good price.

    "...Durability wise the heater is a well built unit that has been running every night of the week in my garage for the last 5 weeks, and there's not..." Read more

    "...It works with those disposable 1lb propane tanks; I also purchased the quick-connect hose adapter to allow me to connect it to a standard "grill..." Read more

    "...So while an electric heater may be more convenient and aesthetically pleasing, this guy dominates for uses like power outages, quick "spot..." Read more

    "...When replaced, this works like a charm. Very happy with support. Quick to respond. Booger works like a charm now. Puts out a lot of heat...." Read more

    718 customers mention664 positive54 negative

    Customers are satisfied with the temperature of the product. They mention that it is a very good heat source, easy to set up, and heats right up. It works great to warm up the garage in the winter, and it keeps them toasty. Customers also appreciate the large heating capacity.

    "...for heat levels, a stable base and most importantly it kicks the heat out fast.Get it for the heater but don't expect the fan to help." Read more

    "...It's lightweight, portable, and reliable. It puts out a good amount of heat, and functions well as a room heater in our old, drafty house...." Read more

    "Heats up a shop 1500 sq feet great! Several people we know were so impressed they have purchased one for themselves...." Read more

    "...On low/med it puts out a lot of heat. On high it puts out a TON of heat. I was actually not expecting this at all...." Read more

    173 customers mention153 positive20 negative

    Customers find the product easy to use. They mention it's easy to start, set up, and turn on. The hose with quick connect and regulator is easy and convenient. It's well designed, sturdy, and easy to carry and set up. Customers also say it'll give off great heat and perform as advertised.

    "...The instruction manual is well layed out and tells it like it is, if you cannot understand this manual then you should not be using the heater, it's..." Read more

    "...Easy to start, a few good settings for heat levels, a stable base and most importantly it kicks the heat out fast...." Read more

    "...never owned one of these units before I was surprised at how easy it is to use...." Read more

    "...Easy to operate and carry." Read more

    166 customers mention160 positive6 negative

    Customers find the product highly portable and easy to carry. They say the fan runs strongly on 4 D-cells and the heater is very easy to set up and light. Customers also mention that the bottles can be legally transported and are easy to take in and out. Overall, customers are satisfied with the portability of the product.

    "...The heater feels well made and puts out a good bit of heat. I use mine consistently for long stretches at a time and it works without issue...." Read more

    "...Easy to start, a few good settings for heat levels, a stable base and most importantly it kicks the heat out fast...." Read more

    "...It's lightweight, portable, and reliable. It puts out a good amount of heat, and functions well as a room heater in our old, drafty house...." Read more

    "...2. Portable. It's not the smallest thing in the world but it's certainly portable...." Read more

    77 customers mention68 positive9 negative

    Customers like the safety of the product. They mention that it has excellent safety features, and is safe to use indoors. Some say that the heater has reasonable safeguards, and that there is no fire hazard when set on a wooden surface. They also mention that the safety cut-off feature works well.

    "...For the price range, features, durability, safety features and portability it is a no brainer purchase...." Read more

    "...3. Safe (thus far). If you'd read bullet 1 and 2 you'd know I wouldn't be around to write this review if it weren't safe for indoor use...." Read more

    "...and as long as you are careful following the directions, it is a safe and reliable unit that will last you for many years with proper care and..." Read more

    "...Yes it runs on propane. It is safe indoors. Highly recommend CO2 detectors, at least 2the give a digital readout...." Read more

    78 customers mention36 positive42 negative

    Customers are mixed about the performance of the heater. Some mention that it lasts a long time, with the 2 fuel tanks it last all night. However, others say that it went out after about 5 minutes, the fan on it died two hours after they turned it on, and that it only operates half as long.

    "...(leaky valves, clogged filters, shutting down, fumes, regulator freezing, and more)..." Read more

    "...It's lightweight, portable, and reliable. It puts out a good amount of heat, and functions well as a room heater in our old, drafty house...." Read more

    "...The down-shot being, because it only uses one tank, it only operates half as long... I blew through (2) 16.4 oz cans every night when using the 'Big..." Read more

    "...the most part the parts are available to do repairs and keep your heater running for years." Read more

    69 customers mention30 positive39 negative

    Customers are mixed about the ignition of the product. Some mention that it's smooth and readily ignites, while others say that it blows out the flame on windy days.

    "...Use both inputs if you're using small canisters. The runtime would be aggravatingly short with only 1 canister...." Read more

    "...is the control knob of the Big Buddy, it's very smooth and ignites readily, it's also responsive and seems like it is better quality than the..." Read more

    "...Also, I've read complaints regarding the pilot flame not starting...." Read more

    "...Let up valve and activated piezo sparker. Pilot flame ignites on first try!..." Read more

    69 customers mention40 positive29 negative

    Customers are mixed about the smell of the product. Some mention that they've never once smelled any fumes, while others say that there is some smell but not anything excessive.

    "...There is no smell with this heater, it puts off pure heat with no weird odors...." Read more

    "gives off a kind of electric smell" Read more

    "...I did not detect any odor or fumes when using the heater...." Read more

    "...but not least, Kerosene is a mess and if you spill even a few drops it stinks...." Read more

    Pilot won't stay lit. / 4.15.2023 NOW IT DOES!
    5 Stars
    Pilot won't stay lit. / 4.15.2023 NOW IT DOES!
    EDIT; 4/15/23: Contacted product support and they sent me two parts to replace. When replaced, this works like a charm. Very happy with support. Quick to respond. Booger works like a charm now. Puts out a lot of heat. So simple a cave man could do it!Previous Revue: Very happy to have received my new Big Buddy Heater. Installed two new propane canisters and 4 "D" cell batteries. Big Buddy had a battery compartment and a red rocker switch, assumed it has a fan. The fan never came on when I flipped the switch. I don't know if it has a fan in it... Tried to light the pilot and it would light fine. But when I released the pilot button it went out. Tried numerous times holding the pilot button down as long as five minutes. Five minutes is a long time to hold that button down. The pilot stayed lit once. That was when I tilted the unit 45 degrees over to the right to get more pilot flame on the thermocouple for several minutes while holding the pilot button down. It stayed lit that one time while I cycled it through low, medium, and high. Bugger puts out plenty of heat for sure. Never got the pilot to light again even after letting the heater and my attitude cool down. Photo of pilot was taken while holding the pilot button down to show that the flame is just barely licking the thermocouple. This should be enough to actuate the thermocouple, but it doesn't. Second item: The right door stays shut without a bottle in it. With a bottle in it, it will shut but pops back open within minutes on its own. Its in a little bind with the bottle when a bottle is installed and pops back open. Left door does fine. This didn't arrive ready to use, and I didn't buy it to start working on it out of the box to get it to work well.
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    Top reviews from the United States

    Reviewed in the United States on November 19, 2012
    175 people found this helpful
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    Reviewed in the United States on July 29, 2015
    36 people found this helpful
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    Top reviews from other countries

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    Denis A.
    5.0 out of 5 stars Got exactly what I expected.
    Reviewed in Canada on September 20, 2023
    2 people found this helpful
    Report
    Ximena Gafias Garcia
    5.0 out of 5 stars Calienta muy rápido
    Reviewed in Mexico on January 20, 2020
    Mrs. Emerald Appleby CD(DONA), LCCE
    5.0 out of 5 stars Almost perfect
    Reviewed in Canada on January 23, 2024
    Erwin
    5.0 out of 5 stars Genial, excelente producto.
    Reviewed in Mexico on July 17, 2016
    One person found this helpful
    Report
    caralot
    5.0 out of 5 stars that it heated our trailer with no trouble.
    Reviewed in Canada on November 2, 2023