Mr Heater Big Buddy Portable Heater Liquid Propane Dual-Heating System, F274800

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The Big Buddy Dual-Heating System combines radiant heat comfort with convection heat airflow for maximum heating efficiency

Gifting note: This item ships in the manufacturer's original packaging. If intended as a gift, the packaging may reveal the contents.

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About this item

Important Made in USA Origin Disclaimer: For certain items sold by Walmart on Walmart.com, the displayed country of origin information may not be accurate or consistent with manufacturer information. For updated, accurate country of origin data, it is recommended that you rely on product packaging or manufacturer information.

The Big Buddy heater combines radiant heat comfort with convection heat airflow for maximum heating efficiency. The propane gas system heats up to 400 square feet of space for up to 220 hours. Use this Mr. Heater unit to evenly heat small to medium-sized rooms, dorms, apartments and offices.

About this item

Important Made in USA Origin Disclaimer: For certain items sold by Walmart on Walmart.com, the displayed country of origin information may not be accurate or consistent with manufacturer information. For updated, accurate country of origin data, it is recommended that you rely on product packaging or manufacturer information.

The Big Buddy heater combines radiant heat comfort with convection heat airflow for maximum heating efficiency. The propane gas system heats up to 400 square feet of space for up to 220 hours. Use this Mr. Heater unit to evenly heat small to medium-sized rooms, dorms, apartments and offices.

Big Buddy Dual-Heating System:

  • Designed and approved for emergency indoor & outdoor use
  • Automatic low oxygen shutoff system
  • Accidental tip-over safety shutoff
  • 18,000 BTU per hour
  • Fuel: propane gas
  • Connects directly to two 1-lb. disposable cylinders or to a 20-lb. cylinder with optional hose (cylinders not included)
  • Operating Position: Vertical
  • Heating Options: Pilot, Lo, Med. & Hi
  • Heating Time: one 1lb. cylinder/1.5 to 6 hour
  • Overall dimensions: 17"L X 10"W X 17.5"H
  • CSA certified
  • Big Buddy heater model: MH18B

This Big Buddy heater is safe for indoor use in small recreational enclosures, having means for providing combustion air and ventilation, such as enclosed porches, cabins, fishing huts, trailers, tent trailers, tents, truck caps and vans. It may be used for emergency indoor heating when connected to a disposable 1-lb. propane cylinder(s) and for indoor use in commercial enclosures, having means for providing combustion air and ventilation, such as construction trailers or temporary work enclosures.

When the heater is cold or at room temperature, it will take a few minutes for the burner(s) tile to turn bright orange. This is normal and the heater is working prop??erly. If burner(s) tile is visibly flaming, turn heater off and call a qualified service technician.

Specifications

Color: Multicolor
Fabric Content: 100% Multi
Has Automatic Shutoff: Y
Condition: New
Material: Multi
Manufacturer Part Number: MH18B
Model: MH18B
Fuel Type: Propane
Brand: Mr. Heater
Assembled Product Dimensions (L x W x H): 17.00 x 10.00 x 17.50 Inches
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Customer Reviews

Customer Reviews | 43 reviews | 4.7 out of 5

4.5 stars

43 reviews | 4.7 out of 5

4.5 stars

43 reviews | 4.7 out of 5

95%
Would recommend to a friend
5 stars
35
4 stars
6
3 stars
1
2 stars
0
1 stars
1
1-10 of 41 total reviews
95%
Would recommend to a friend

Age

Gender

Very good heater but you need accessories
2/7/2011

Customer review by JohninGloucester

4.0 stars 2/7/2011 by JohninGloucester
by JohninGloucester

Worked great right out of the box and puts out a lot of heat. Out of the box means with 1 lb camping propane cylinders (and 4 D batteries for the fan, although you can operate it without the fan/batteries) - so stock up! For most applications YOU WILL NEED TO BUY ACCESSORIES separately so that you can fuel the heater from a 20 lb propane tank (your gas grill). For this you need a 12 foot hose that comes with required fittings and a fuel fliter that fits between the hose and the heater. I use it in the garage and for the first 30 min it smelled bad (but not like gas) - I think that was paint/ protective coatings "burning in". All in all a good heater, but not cheap when you figure in cost of accessories. Also, the safety design of the igniter is good (like my gas oven), but I worry about longevity - owner of my local gas grill store said he stopped carrrying these heaters because igniter is not a replaceable part- advised me to cover/protect the heater from dust when not in use.

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JohninGloucester
Gloucester, MA
Would recommend to a friend? Yes
Ownership:2 - 7 weeks
Usage:Every few days
excellant portable heat
12/7/2008

Customer review by timeouttemp

5.0 stars 12/7/2008 by timeouttemp
by timeouttemp

I have used this space heater indoors and out for emergency heat and for camping. No smell when using it, it's very quiet and heats quickly with no fuss and anyone can use it safely. It heated a 6 man tent in 20 F weather to a nice a toasty 55 + degrees and ran 36 hours straight on highest setting (using a 20 lb. bottle) without a problem. It's easily the best little space heater I've ever owned. Using the 1 lb. bottles gives you the best portable heat I've seen on the market and a 1 lb. bottle on highest setting lasts about 1 1/2 hrs. and up to 6 hr.s on low setting. 2 bottles of course doubles the use time. Great emergency heat for a medium sized room and will keep you cozy while you wait for the power to come back on. Only negative I can think of is it does not come with the AC adapter and my local store could not order it for me. But the 4 D cells needed to run the little fan lasted 12 hours. As much heat as this little baby throws it really doesn't need a fan.

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timeouttemp
Nebraska
Would recommend to a friend? Yes
Age:55 - 64
Ownership:Longer than one year
Gender:Male
Usage:A few times per year
AWESOME HEATER....
8/6/2012

Customer review by Maria571

5.0 stars 8/6/2012 by Maria571
by Maria571

I bought this for our camping trips, as it gets cold at high altitudes at night time. My family always complains about the cold nights and mornings, so I did some research and read lengthy user reviews for the Mr. Heater and for the Coleman heaters. Since our tent is a 10 person tent and the small Coleman would have not done the job unless we were to sleep in front of the heater. So I decided on the Big Buddy because of reviews, the forced air option, the option to attach this to a 20 lb tank, but mainly for the security options of automatic shutoff if it should tip over/fall and the low CO sensor shutoff. We've tried this indoors and boy you can sure feel the heat coming out of this.. Easy to operate, and I feel that this was a sound investment as this can be used in case of any emergency and not just for camping. Only issue is this machine is a bit bulky somehow it looked smaller in videos and pictures. Very happy with purchase.

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Maria571
S. California
Would recommend to a friend? Yes
Age:35 - 44
Ownership:2 - 7 weeks
Gender:Female
Usage:A few times per year
Excellent and versatile heating source
11/29/2011

Customer review by Turboscott

5.0 stars 11/29/2011 by Turboscott
by Turboscott

Bought the big buddy heater for use while tent camping. I got mine through Walmart so I could use my Walmart card, but you can find it a few dollars cheaper if you search around. It was more convenient for me though. I used it this past weekend while camping via tent in San Diego. The temp got down to low 40s and kept us comfortable on the low setting. The high setting works awesome but also burns gas three times faster. I also purchased an optional hose and filter to hook it up to larger propane tanks for longer burn times otherwise one should expect to change the small propane bottles in the middle of the night. Full bottles will last all night on low and can be swapped when morning comes. Overall quality and functionality is excellent. Safety features are also a great feature.

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Turboscott
Port Hueneme, CA
Would recommend to a friend? Yes
Age:35 - 44
Ownership:2 - 7 weeks
Gender:Male
Usage:A few times per month
A good product for a good price
2/2/2011

Customer review by santeedav

5.0 stars 2/2/2011 by santeedav
by santeedav

This heater has kept my home comfortable. I use it as a alternate heat during the day to keep the home at a temperature I LIKE. The weather has been brutal for us in the southeast. A 20lb tank of propane will last about 70 hours on medium.

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santeedav
Lake Marion, SC
Would recommend to a friend? Yes
Age:55 - 64
Ownership:2 - 3 months
Gender:Male
Usage:Every day
Great heater for the money
10/16/2007

Customer review by satisfiedowner

5.0 stars 10/16/2007 by satisfiedowner
by satisfiedowner

The Buddy Heater is an excellent heater for the money. It is very easy to light, efficent, and versatile. This heater makes a great back up heat source if the power goes out in the winter. It also burns very clean with no apparent ordor. I highly recommend it!

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satisfiedowner
upstate N.Y.
Would recommend to a friend? Yes
Age:55 - 64
Ownership:2 - 7 weeks
Gender:Male
Usage:A few times per month
WOW!!!!!
1/1/2011

Customer review by Lovetocamp35243

5.0 stars 1/1/2011 by Lovetocamp35243
by Lovetocamp35243

This was a Christmas gift from my hubby. Purchased it and took it directly to our vol. fire meeting. The heat was out there and it was in the teens that evening. So we took it in and heated a large room approx 25x30 to a very comfortabe temp. We had to turn it down it got so warm. Very worth paying full price for. Even if I did not. The little buddy works well in my Dad's tent. This is the spark that made us search out this product. We decided on the bigger model since our tent is larger and for emergency uses.

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Lovetocamp35243
Alabama
Would recommend to a friend? Yes
Age:35 - 44
Ownership:1 week or less
Gender:Female
Usage:A few times per year
A VERY GOOD PRODUCT
11/22/2008

Customer review by JIMBOO

5.0 stars 11/22/2008 by JIMBOO
by JIMBOO

I got this because I ruled out it's little brother. It puts out a good amount of heat for it's size. It has a lot of safty controlls which are very important when you use it indoors. You will smell propane when you start it but that goes away after it runs for a time. The fan on mine is a little loud but it verys on each unit. It will come in handy if I lose power in the winter.

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JIMBOO
ALEXANDRIA, VA.
Would recommend to a friend? Yes
Age:55 - 64
Ownership:2 - 7 weeks
Gender:Male
Usage:Every few days
Safe, great heater
6/5/2016

Customer review by Noah

5.0 stars 6/5/2016 by Noah
by Noah
Verified purchaser
Verified purchaser
Customer has been confirmed to have purchased the item from Walmart.

This little heater is the best on the market and one of the safest. It will heat up a 10+ person tent or a 2 car garage with no issues!!! Great purchase!!!

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Noah
Would recommend to a friend? Yes
Verified purchaser
Verified purchaser
Customer has been confirmed to have purchased the item from Walmart.
Big Buddy
12/22/2009

Customer review by ReallyOldFart

5.0 stars 12/22/2009 by ReallyOldFart
by ReallyOldFart

Straight out of the box worked fantastic. Absolutely no problems. Works great with little bottles or my 20# tank. Keeps a medium size room with no other heat source as high as 80 degrees if I leave it on. One hour on and one hour off on low keeps the room at about 70 for eight to ten hours.

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ReallyOldFart
Home
Would recommend to a friend? Yes
Age:65 or older
Ownership:2 - 7 weeks
Gender:Male
Usage:Every day
1-10 of 41 total reviews See all
1-10 of 41 reviews

Customer Reviews | 43 reviews | 4.7 out of 5

Customer Reviews

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by sah415 9/25/2010
6 answers
  • A. The 20 lb should be outside.
    by Noma211/10/2015
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  • A. No. I use it in a tent. With the 20 lb tank
    by firemaster555/9/2015
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  • A. If you use a LP (20 lb or larger) it should be outside for safety reasons. The smaller 1 lb cylinders can be used inside in many regions though.
    by satisfiedowner2/15/2016
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  • A. It states in the directions that yes you do have to place it outside.
    by Lovetocamp352434/19/2015
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  • A. YES because it vents!!
    by Robdogg132/29/2016
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  • A. Quite frankly I don't understand what the other person is saying. Last winter I had a Mr Heater and it kept my 5th wheel warm, but I want something to kept it really warm so I am going to get the Big Buddy Heater. These heaters are great and safe. If you do buy one the tank has to be outside. Go to the Mr Heater and they will tell you what all you need and what to do. Good luck I think the Mr Heaters are great!!!!
    by ihoosieru11/30/2015
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by an anonymous customer 10/15/2010
6 answers
  • A. You can obtain one of those adapters at Radio Shack or order it directly from http://www.mrheater.com. The 20 foot propane extension hose as well as many other parts can also be purchased online too.
    by awesomelenny10/14/2015
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  • A. Camping World has the accessories and you can order on line.
    by Noma212/30/2014
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  • A. carbela's is one place that carries the propane hose for the heater and probably the power supply or radio shack.
    by satisfiedowner10/25/2012
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  • A. We purchased both of these items through Amazon.com since it appeared that Walmart didn't offer it. Expect to spend another $75 total for both.
    by ksdoty12/7/2015
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  • A. Amazon.com is where I got mine but lowes sells them too
    by Robdogg1312/7/2015
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  • A. I found the 12ft. extension with the right model # and the fuel filter at northerntool.com and they have good prices ! the AC adapter works better than putting brand new D batteries in ! WORTH THE PURCHASE !
    by ChillyP12/7/2015
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Product warranty:  Year Years See details

Warranty Information: Mr. Heater warrants its products free from defect for one year from date of purchase. Mr. Heater will repair or replace this product free of charge if it has been proven to be defective within the 1-year period, and is returned at customer expense with proof of purchase to Mr. Heater within the warranty period.
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