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Mr. Heater

Mr. Heater F232017 MH9BXRV Buddy Grey Indoor-Safe Portable RV Radiant Heater (4,000-9,000-BTU)

  • Based on 30,970 reviews
Condition: New
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Availability: In Stock.
Fulfilled by Amazon
Arrives Sunday, Sep 21
Order within 10 hours and 4 minutes
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Color: Grey


Style: Heater


Features

  • 4,000- to 9,000-BTU radiant heater for spaces up to 225 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.
  • Auto shut-off if tipped over, if pilot light goes out, or if detects low oxygen levels
  • Fold-down handle; swivel-out regulator; connects to propane tank (not included).Fuel Type:Propane
  • THE USE OF UN-AUTHORIZED ACCESSORIES/ATTACHMENTS WITH THIS HEATER ARE EXPRESSLY PROHIBITED, MAY CAUSE SERIOUS INJURY, AND WILL VOID THE WARRANTY.

Description

North America's Most Popular Portable Propane Heater! This patented radiant 4,000-9,000 BTU Liquid Propane heater connects directly to a 1 lb. cylinder and is the perfect solution for heating enclosed spaces like large tents up to 200 sq. ft. The expertly engineered size to BTU ratio is augmented with a fold down handle to give this heater maximum output while retaining a minimalistic footprint. A swivel regulator gives you the ability to adapt usage from a disposable cylinder to a remote gas supply with the purchase of a hose and filter. To light the unit, simply rotate the knob to pilot and push. Then the integrated 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.

Brand: Mr. Heater


Special Feature: Portable


Color: Grey


Form Factor: Compact


Indoor/Outdoor Usage: Indoor


Brand: Mr. Heater


Special Feature: Portable


Color: Grey


Form Factor: Compact


Indoor/Outdoor Usage: Indoor


Product Dimensions: 8.3"D x 13.4"W x 15"H


Recommended Uses For Product: Use


Mounting Type: Floor Mount


Room Type: Bedroom, Home Office, Study Room


Heating Coverage: 225 square feet


Burner type: Radiant


Fuel Type: Propane


Number of Speeds: 2


UPC: 089301001749


Global Trade Identification Number: 49, 43


Item Weight: 1 pounds


Manufacturer: Mr. Heater


Item model number: F232017


Care instructions: Please follow user manual for instructions


Assembly required: No


Batteries required: No


Included Components: 6 complete heaters


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Sunday, Sep 21

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Top Amazon Reviews

    • 110% Satisfied !!!!!
Color: Red Style: Heater
This is the coolest little heater yeah , you know maybe cost more to run then a little electric portable heater but it is so cool and I couldn't be more proud to have it and I give it five stars ! It worked perfectly right out of the box Came expertly packed . it was just a squared away purchase 100% . great little emergency heater. I feel like my heating in an emergency situation is taking care of and any outdoor fun that you might just want to take it outside and have it sitting under the table if it's a crisps cool night . I mean it's a cool deal . I'm glad I bought it and you will be too ... show more
Reviewed in the United States on August 20, 2025 by Shelton M.
    • Buy this asap!
Color: Red Style: Heater
LOVE this heater! We put inside our tent and stayed warm all night long. Easy to p Operate too! It's worth the money! It's a game changer!
Reviewed in the United States on July 6, 2025 by Margaret
    • A must for cold nights
Color: Red Style: Heater
This camping heater has been a total game-changer for our outdoor adventures. It's so compact and lightweight, making it easy to toss in our camping tote without taking up too much space. The heat output is impressive, and it's been a lifesaver on those chilly nights. It's also really easy to set up and use, which is a big plus. We've had nights where the temperature dropped significantly, but this heater kept our tent cozy and warm. Safety features are also a big plus, giving us peace of mind while we're camping. Overall, it's a fantastic piece of gear that I'd highly recommend to any camper or outdoor enthusiast. I recommend the extension hose for the bigger propane tank. ... show more
Reviewed in the United States on May 4, 2025 by Jay
    • Great little radiative heater
Color: Red Style: Heater
The thing to know about this heater is it throws off a lot of infrared radiation, which is the primary mode of heating. It is like having a little portable Sun with you. Like if you go outside and it is cold and cloudy, you will feel cold. But at the same outdoor temperature and the Sun beating down on you on a clear winter day (if you have clear winter days were you live), you will feel a lot warmer. A fun little thing to do if you have security cameras with night vision, light this up in view of one of these security camera's at night. It is brilliantly bright and everything in the line of sight of the hot plate on it nearby is brilliantly lit up. With the naked eye at night, you will just see a dim red glow, but the security cameras will see a blindly bright light as it is in IR night vision mode and the black body radiation is primarily in the infrared spectrum. This means when you are outside, basically regardless of conditions, as long as the conditions are good enough for this to work, it will be heating you up. You can even say leave this outside your tent and as long as you are setup to let the infrared light in, it will warm up the inside of your tent and any infrared light hitting you from this will warm you up, say you are laying there in your sleeping bag. It is almost like magic as most people are used to thinking about heating in convection terms while this primarily operates in black body radiative terms. I am not saying sit out there butt naked in the snow with this being your only device to keep you warm, but it is a greet supplemental heat source to help you keep warm when you are doing something sedentary outside in the cold. The one gripe I have about this is the flame is unstable and noisy on the low setting. This works best at the high setting anyway, so probably what you want to do and just forget about the low setting. If you use this with a larger tank with a hose, you may want to plan to shut the main valve off on the larger external tank a couple to a few minutes before you are done using the heater so that there is time for a pressurized hose to purge. As this only lasts a few hours on a 1 lb tank, you can quickly end up getting into using larger tanks with this. ... show more
Reviewed in the United States on March 12, 2024 by BatteryKing
    • Great for a kodiak
Color: Red Style: Heater
I love this little heater! It's really changed the whole camping experience. I camp at an event where it can get down into the 30s at night and this heater was a champ. I notice that it smells a little funny and that's a bit disconcerting (and I turned it off in the middle of the night once because I was concerned I hadn't opened enough windows) but once I got used to it, it worked fine. I also noticed that it will dry out the air a bit, which is good, but just keep that in mind. I felt safe because of the oxygen cutoff sensor too. The heat output is excellent. The tent was so nice and cozy I didn't even need to zip up my sleeping bag. I did keep all of the windows open about 2-3 inches just to be safe. ... show more
Reviewed in the United States on June 25, 2024 by Miss Priddy
    • A Must-Have for Winter and Overlanding – Quick, Efficient, and Reliable!
Color: Red Style: Heater
Review Image by John John
Review Image by John John
Review Image by John John
Review Image by John John
Review Image by John John
Review Image by John John
The Mr. Heater Portable Buddy Heater (MH9BX) is easily one of my favorite overlanding products! I first discovered this heater through the Camping With Steve YouTube channel, and I can see exactly why it’s so popular. This little heater packs a serious punch, offering 4,000-9,000 BTU of radiant heat, and it’s safe for indoor use, which is perfect for camping or overlanding in colder conditions. What I really love is that it runs on the same 16 oz propane mini tanks that power my Coleman Stove, making it super convenient to use with the gear I already have. The performance is absolutely impressive. The heat kicks in quickly, almost immediately after the pilot light turns on. Within just a few minutes, the area around it is toasty and warm. It’s amazing how such a compact heater can heat up a small space so efficiently. It’s also incredibly clean and quiet once it’s running—aside from a very slight propane smell when first lighting, I barely notice it after that. It’s the perfect addition to my setup when I’m in the middle of nowhere and need to stay warm. In all seriousness, other companies should take notes on this heater’s design and materials. It’s clear that a lot of thought went into making it durable, portable, and easy to use. The build quality feels solid, and I trust it to keep me warm during my overlanding trips. It’s one of those products that you never knew you needed, but once you have it, it becomes essential. As a loyal customer, I can honestly say I’ll be using this heater for a long time. It's a lifetime keeper for me, and I wholeheartedly recommend it to anyone looking for a compact, reliable, and efficient heating solution for their camping or overlanding adventures. ... show more
Reviewed in the United States on February 27, 2025 by John John

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