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expiredhawkblu09 | Staff posted Dec 17, 2024 10:08 PM

Mr. Heater Portable Buddy 9,000 BTU Propane Radiant Space Heater

$68

$89

23% off
+ Free Shippingat Amazon
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Deal Details
Update: This popular deal is still available.

Amazon has Mr. Heater Portable Buddy 9,000 BTU Propane Radiant Space Heater (MH9BX) for $68. Shipping is free.

Walmart also has Mr. Heater Portable Buddy 9,000 BTU Propane Radiant Space Heater (MH9BX) for $68. Shipping is free.

Thanks to Deal Hunter hawkblu09 for finding this deal.

Product Description:
  • 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.
  • When operating the heater at altitudes over 7,000 FT above sea level the heater may shut off.

Editor's Notes

Written by StrawMan86 | Staff
  • About this Deal:
    • This Mr. Heater Portable Buddy 9,000 BTU Propane Radiant Space Heater is priced $21 lower (23.6% savings) than the $89 list price.
    • Please see the original post for additional details and give the WIKI and forum comments a read for helpful discussion.
  • About these Stores:

Original Post

Community Notes
About the Poster
Deal Details
Community Notes
About the Poster
Update: This popular deal is still available.

Amazon has Mr. Heater Portable Buddy 9,000 BTU Propane Radiant Space Heater (MH9BX) for $68. Shipping is free.

Walmart also has Mr. Heater Portable Buddy 9,000 BTU Propane Radiant Space Heater (MH9BX) for $68. Shipping is free.

Thanks to Deal Hunter hawkblu09 for finding this deal.

Product Description:
  • 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.
  • When operating the heater at altitudes over 7,000 FT above sea level the heater may shut off.

Editor's Notes

Written by StrawMan86 | Staff
  • About this Deal:
    • This Mr. Heater Portable Buddy 9,000 BTU Propane Radiant Space Heater is priced $21 lower (23.6% savings) than the $89 list price.
    • Please see the original post for additional details and give the WIKI and forum comments a read for helpful discussion.
  • About these Stores:

Original Post

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+68
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71 Comments

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Dec 23, 2024 1:54 AM
9 Comments
Joined Dec 2019
xDiscardxDec 23, 2024 1:54 AM
9 Comments
It says a run time of 5.6 hours. Can anyone verify that this is accurate? I was thinking of using it for a smaller sized room 15x12. Anyone with this have an estimate of how long it takes to warm up a room of that size aprox? Thanks.
Dec 23, 2024 3:00 AM
553 Comments
Joined Nov 2015
diggieDec 23, 2024 3:00 AM
553 Comments
Edit: nevermind.
Last edited by diggie December 22, 2024 at 07:15 PM.
Dec 23, 2024 3:18 AM
1.7K Comments
Joined Dec 2005
alphawaveDec 23, 2024 3:18 AM
1.7K Comments
Quote from zzfinaldropzz :
Bought the Buddy Flex instead, a better deal at $80. Wider heat area and not easily falling over like the buddy heater.
I've got 3 Buddies: Portable, Big and Flex. All work fine, but Flex has a wider coverage, and owing to the radiant energy spread warming objects instead of air, is more effective in larger spaces, or with more people, than the ceramic versions. IMO, AMZ shouldn't have them listed as 'space heaters' since they heat objects, albeit within a specified 'space'. The chinese diesel heaters would be a better option if you truly want a large heated air space. I don't think Mr Heater calls these 'space' heaters, just radiant. Recently, some YT'rs are 'upgrading' their garages/shops with diesel heaters after finding the Buddies lacking in heating up large spaces, which they're really not best equipped to do. These are fine in smaller spaces, will take the 'chill' out of the air, and of course are great in emergencies, but not ideal to 'space heat' a garage. Just my experience.
Dec 23, 2024 3:33 AM
1K Comments
Joined Aug 2013
newarkhiphopDec 23, 2024 3:33 AM
1K Comments
Quote from gotoee37000 :
Could it be good for a couple of people sitting out in a screen porch (not enclosed like in a tent or something) when it is like 40 F? Or it is mainly for camping?
Perfect for that
Pro
Dec 23, 2024 5:34 AM
507 Comments
Joined Jun 2003
Caspertoo
Pro
Dec 23, 2024 5:34 AM
507 Comments
Warning everyone, this is the mh9bx model, NOT the MH-F232000. This model is NOT indoor safe. If you want the indoor safe model it is the MH-F232000.
1
Dec 23, 2024 8:02 AM
64 Comments
Joined Jul 2022
OliveBoundary7135Dec 23, 2024 8:02 AM
64 Comments

Our community has rated this post as helpful. If you agree, why not thank OliveBoundary7135

Quote from embj :
No venting required. I purchased one last January when the electric company FUBARed our substation doing upgrades on the coldest day of the year. Was without power for about 18 hours. The little thing easily kept a 20x12 room warm.
The manual says, "This appliance can produce carbon monoxide which has no odor. Using it in an enclosed space can kill you. Never use this appliance in an enclosed space such as a camper, tent, car or home."
2
Dec 23, 2024 10:25 AM
32 Comments
Joined Jun 2019
Minh1978Dec 23, 2024 10:25 AM
32 Comments
I found the flex version on ebay for $99

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Dec 23, 2024 10:51 AM
2.1K Comments
Joined Sep 2018
slimdunkin117Dec 23, 2024 10:51 AM
2.1K Comments
Quote from Minh1978 :
I found the flex version on ebay for $99
https://www.amazon.com/dp/B088ZXN7DH

its 80$ on amazon with a 30% coupon
Last edited by pur December 23, 2024 at 03:38 PM.
Dec 23, 2024 11:05 AM
2.1K Comments
Joined Sep 2018
slimdunkin117Dec 23, 2024 11:05 AM
2.1K Comments
Quote from Caspertoo :
Warning everyone, this is the mh9bx model, NOT the MH-F232000. This model is NOT indoor safe. If you want the indoor safe model it is the MH-F232000.
this is just for state legislation. they label it as outdoor only. I don't see any difference with the other model..theyre both mh9bx. one is F232050 vs F232000..i could be wrong tho
1
Dec 23, 2024 12:12 PM
422 Comments
Joined Apr 2013
fwhomeboyDec 23, 2024 12:12 PM
422 Comments
Quote from MoonMan :
I posted this earlier this week, a Mr. Heater Big Buddy clone from Tractor Supply on clearance for $70 if you can find a store in your area with stock. I live in Baltimore area, Bel Air MD store had 6 in stock when I bought mine. Use it to heat my 12 x 14 shed/workshop, so far it is great!

https://slickdeals.net/f/18003090-master-liquid-propane-portable-heater-on-clearance-at-some-tractor-supply-stores-ymmv-69-99-similar-mr-heater-big-buddy
It's 139 here in North Carolina
Pro
Dec 23, 2024 4:14 PM
10.3K Comments
Joined Mar 2018
WooHoo2You
Pro
Dec 23, 2024 4:14 PM
10.3K Comments
Quote from AnsonL6358 :
I've used this for our camping trip where it got to 38F at night and it was a life saver. Just know that it creates A LOT of moisture in the air.
LOL, it doesn't create moisture Wink

My assumption is you had moisture condensing on the sides of your tent (or uninsulated small building) because the inside was warmer than the outside. Any similar source of heat would have done that. The moisture was there regardless...probably as a result of your respiration.
3
Pro
Dec 23, 2024 5:17 PM
712 Comments
Joined Nov 2009
gocartone
Pro
Dec 23, 2024 5:17 PM
712 Comments
Quote from WooHoo2You :
LOL, it doesn't create moisture Wink

My assumption is you had moisture condensing on the sides of your tent (or uninsulated small building) because the inside was warmer than the outside. Any similar source of heat would have done that. The moisture was there regardless...probably as a result of your respiration.
Burning propane non-vented like this most certainly DOES produce moisture. I can tell you my shop has two big electric heaters and one big non-vented propane heater...everything is wet if I use the propane heater+electric (for the really cold days), everything is dry if only using the electric.

For everyone looking to heat stuff with these, the room should be vented (crack a window), and this is a temporary heating solution. It's more for ice fishing/hunting shack/camping/emergency use than for, I want my basement or spare bedroom heated.

These, unless I'm reading wrong, do NOT have any carbon monoxide safety on them. You will need a carbon monoxide detector to be safe. I have a couple of these and the bigger cabinet heater for when my power goes out (big snow storm two years ago took out a ton of power lines, almost 3 days in a northern Wisconsin winter without power), they worked great, but I had a couple windows cracked open and a couple CO detectors. I overdid it as I found out the big cabinet 18k btu in my basement would heat the whole house good enough, but it also wasn't super cold then (like 25-30deg, we had it go out once when it was -40 then I'm sure I'd have all of them running 😂).
1
Pro
Dec 23, 2024 7:42 PM
10.3K Comments
Joined Mar 2018
WooHoo2You
Pro
Dec 23, 2024 7:42 PM
10.3K Comments
Quote from gocartone :
Burning propane non-vented like this most certainly DOES produce moisture. I can tell you my shop has two big electric heaters
Yes, in that scale (well at any scale) LP can cause some moisture through condensation (via a reaction with the air) during the combustion process. But that is going to be so insanely negligible on a 9K BTU heater (especially compared to waste humidity from human's in the same sealed space breathing / sweating). What AnsonL6358 was complaining about while "camping" is likely moisture from the hair thin tina fabric and the condensation against t between the relatively warm inside air and the "38F at night " outside. Their complaint would be like blaming a can of Coca Cola on a summer day for "creating" moisture on the outside of the can.
Quote :
and one big non-vented propane heater...everything is wet if I use the propane heater+electric (for the really cold days), everything is dry if only using the electric.
In that scale (not 9000 BTU....) it sounds like you are accidently turning your garage into 'condensing furnace.' Gross oversimplification of course. And I bet the days you choose to run the electric only vs the electric AND gas furnaces also happen to have very different outdoor temps / conditions, leading to different results in your unsealed garage space.

But yes, technically I did misspeak.
2
Dec 23, 2024 8:03 PM
575 Comments
Joined Jan 2013
AnsonL6358Dec 23, 2024 8:03 PM
575 Comments
Quote from WooHoo2You :
LOL, it doesn't create moisture

My assumption is you had moisture condensing on the sides of your tent (or uninsulated small building) because the inside was warmer than the outside. Any similar source of heat would have done that. The moisture was there regardless...probably as a result of your respiration.
You are incorrect. Simple google search.

Key points about propane heaters and moisture:

Chemical reaction:
The combustion process of propane produces water vapor as a by-product, meaning for every amount of propane burned, a significant amount of water is released into the air.

Ventilation is crucial:
Without proper ventilation, the produced water vapor remains trapped indoors, causing increased humidity levels and potential condensation issues.

Impact on enclosed spaces:
In small or poorly ventilated spaces like RVs or campers, using a propane heater can quickly lead to noticeable moisture build-up due to the concentrated water vapor release.
1

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Dec 23, 2024 8:11 PM
575 Comments
Joined Jan 2013
AnsonL6358Dec 23, 2024 8:11 PM
575 Comments
Quote from WooHoo2You :
Yes, in that scale (well at any scale) LP can cause some moisture through condensation (via a reaction with the air) during the combustion process. But that is going to be so insanely negligible on a 9K BTU heater (especially compared to waste humidity from human's in the same sealed space breathing / sweating). What AnsonL6358 was complaining about while "camping" is likely moisture from the hair thin tina fabric and the condensation against t between the relatively warm inside air and the "38F at night " outside. Their complaint would be like blaming a can of Coca Cola on a summer day for "creating" moisture on the outside of the can.

In that scale (not 9000 BTU....) it sounds like you are accidently turning your garage into 'condensing furnace.' Gross oversimplification of course. And I bet the days you choose to run the electric only vs the electric AND gas furnaces also happen to have very different outdoor temps / conditions, leading to different results in your unsealed garage space.

But yes, technically I did misspeak.

Again, you are wrong. It is not negligible. You are putting almost 2lbs of water into the air for every 1lb of propane burnt, That's one small green canister.
1

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