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Mr. Heater Big Buddy™ Indoor/Outdoor Propane Heater — Model# MH18B | Buy now for just $129.99!

Mr. Heater Big Buddy™ Indoor/Outdoor Propane Heater — Model# MH18B

Provides temporary heat for barns, sheds, cabins, campers, patios, garages, sporting events, hunting blinds and more. Dual heating system combines radiant heat comfort with convection heat air flow for maximum heating efficiency. 4000, 9000 and 18,000 BTU with the capacity to heat up to 400 square feet for up to 108 hours on 20-lb. propane tank.

Item#:

173635

Price:

Only $129.99

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Stock Status:

In Stock

Ship Weight:

19.0 lbs

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Product Manual

Product Specs

Key Specs

Heating Application	Portable, Outdoor
BTU Output	18,000
Vent-Free	Yes
Heating Capability (sq. ft.)	400
Blower Included	Yes
Blower Power Supply (Volts, Amps)	110
Heat Settings	3
Fuel Type	Propane
Fuel Consumption (gal./hr.)	3-12 hrs on two 1 lb tanks, 50-220 hrs on two 20 lb tanks
Igniter	Matchless push-button starter
Thermostat Included	No
Remote Included	No
Oxygen Depletion Sensor	Yes
Dimensions L x W x H (in.)	17 x 10 x 17 1/2

Additional Specs

4000, 9000 and 18,000 BTU settings
Up to 108 hours of use
Tip-over cutoff switch
CSA certified
Uses two 1-lb. or one 20-lb. propane tank (propane not included) with optional hose connections (Items 173645, 173646)
Blower fan uses A/C adapter (Item# 172641, sold separately) or 4 D-cell batteries (not included)

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Mr. Heater Big Buddy™ Indoor/Outdoor Propane Heater — Model# MH18B

Customer Product Reviews

Overall Rating

4.6 / 5

220 of 230 would recommend this product to a friend.

Product Reviews

FEATURED REVIEW

Overall Rating:

5 / 5

Works Great!, March 7, 2007
By GaragePotter from Concord, CA

"I spent a lot of time researching the perfect heater to use while throwing pottery in my garage, After returning my first choice (it set off my smoke alarm in 15 sec.) and a few others I did not like I did more research! At first I was apprehensive because I had to order The Big Buddy, No one had them in the stores. But WOW! It works great and Has a much longer propane life than the others! On low I get about 95 hours on a 20 lb tank. I run it mostly on low when by myself, med to high with others or on those really cold night! Not only do I use it in the garage, but i have taken it to pottery shows, camping (it kept the tent toasty the weekend all of california froze this year), outside concerts, and many other events. It does not smell, and not once has it set off my carbon monoxide or smoke alarm.
I recommend this for anyone needing a small portable heater!"

What is your level of technical expertise?: Professional

16 of 17 people found this review helpful.

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FEATURED REVIEW

Overall Rating:

5 / 5

Mr. Heater Big Buddy, November 28, 2006
By DavidH from St. Paul, MN

"I purchased the Big Buddy to provide extra heat in my four season porch. I've tried various electric space heaters, but none provided the heat I was hoping for. The Big Buddy has done an excellent job! The room has never been so warm during winter. For the first time, my family enjoys the four season porch the entire year. The cost to operate the unit is very cheap when one uses an external 20 pound tank. I would not recommend using the 1 pound tanks. They are convenient, but don't last long at the high or medium settings. The unit is very easy and safe to use. All my children use the unit for occasional extra heat, and there has never been a problem."

What is your level of technical expertise?: Home Handyman

5 of 5 people found this review helpful.

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Overall Rating:

5 / 5

MY BUDDY, November 6, 2009
By Possumknot from Southeast

"EVERY BODY NEEDS A BUDDY. THIS IS ONE OF THE BEST BUDDY'S YOU CAN FIND.

LOOK NO FURTHER FOR A ROOM-SIZE HEATER.

GREAT WHEN CONNECTED TO A COLEMAN POLE LAMP AND A LARGE PROPANE TANK.

WOULD ALSO GO WELL WITH THE MILWAUKEE CORDLESS DRILL I NHOPE TO WIN BY THIS REVIEW. NEED A REPLACEMENT FOR THE MILUAKEE CORDLESS SAWZALL WHICH IS OUT OF DATE FOR LACK OF A REPLACEMENT BATTERY."

What is your level of technical expertise?: Professional

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Overall Rating:

5 / 5

Great for the Garage or Workshop, November 3, 2009
By GuitarMan from VA

"I originally got the Mr. Heater Big Buddy so I could work in my unheated attached garage. It worked great! I would turn it on while setting up for work and in a few minutes, I was a lot more comfortable. Since it's light weight and portable, I could move it to where I was working without having to worry about heating the entire space.
I now have a heated workshop, but I still use the Big Buddy as auxilary heat. I can keep the thermostat set pretty low and place the heater near where I'm working. I'm saving a bundle on my heating bill this way."

What is your level of technical expertise?: Home Handyman

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Overall Rating:

5 / 5

Great Heater, November 3, 2009
By Bluefish from Needham, MA

"Easy to set up and use, with option to use either smaller gas bottles inside or attach by hose to larger source. Safely puts out a lot of heat, keeps windowed porch warm in winter. It pays to get transformer so you can plug it in to 110V, but batteries last a long time any way"

What is your level of technical expertise?: Home Handyman

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Overall Rating:

4 / 5

indoor/camp heater, November 3, 2009
By KnHawk from Arctic Alaska

"Greet little heater works excellent for both indoors and camping. Only problem its it difficult to light up but once it starts working its great. Make sure you completly read the instruction on how to light it or you'll never get it lit."

What is your level of technical expertise?: Home Handyman

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Overall Rating:

5 / 5

Great for Camping, November 3, 2009
By FrankTx from Dallas, TX

"I have had this heater in my deer cabin for the past 3 seasons. No matter how cold it got, the heater kept things toasty inside. I would definitely recommend the bulk tank adapter. Makes it last forever."

What is your level of technical expertise?: Professional

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Overall Rating:

5 / 5

great heater, November 2, 2009
By 4737 from forth-worth tx

"I purchased 2 of these heaters for the hunting season and they work great in deer blinds and such, the ability too run off batteries or plug in is a great option. I would reccomend this this heater too anyone who is in the market for a heater. I have only used the small bottles but there is a option to hook up a 20 lb propane bottle."

What is your level of technical expertise?: Professional

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Overall Rating:

5 / 5

A LOT of HEAT, November 2, 2009
By oldredandblue from Louisiana/Mississippi

"Tailgating in the frozen north (Memphis is the far north)
Krewe (club) functions outside in January/February
Building those Mardi Gras Costumes in a unheated warehouse...This little heater does it all! I had a large Coleman heater years ago that did a good job, but alas it broke. I bought this one hoping to replace it. It not only matches the bigger (physically) Coleman for heat..but you can manage to put it in the trunk! It is MUCH cheaper to run it off a 20lb or bigger tank..and isn't that much trouble to hook up."

What is your level of technical expertise?: Home Handyman

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Overall Rating:

4 / 5

Great little garage heater, November 2, 2009
By Mrkuppy from SE Michigan

"I use the Big Buddy all winter long here in Michigan. I use it in my garage for my weekend stoogie break. I start heating 15 minutes before and it's plenty comfortable for the hour or so I spend out there. You definately want to use a 20lb. tank for which you will need the additional 5' hose connection accessory. I also can't remember if the power transformer for the blower was included or not, but that is also a must. I use it more for a directional heater than a whole garage heater and it's perfect for this with it's 3 blower speeds."

What is your level of technical expertise?: Home Handyman

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