For the past many years, the MR Heater brand has been the top choice of many people worldwide for heaters. 

As of now, everyone loves to buy such heaters that they can carry along when going on a camping trip or any outing to a cold area. In terms of portable heaters, MR Heater has a good collection of heaters, and one such portable heater is Buddy Heater MH9BX. 

Mr. Heater F232000 MH9BX Buddy 4,000-9,000-BTU Indoor-Safe Portable Propane Radiant Heater,...
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Mr. Heater F232000 MH9BX Buddy 4,000-9,000-BTU Indoor-Safe Portable Propane Radiant Heater,...
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Last update on 2022-01-25 / Affiliate links / Images from Amazon Product Advertising API

Well, in case you are not sure whether it’s the right portable heater for you or not, you will find a detailed review of MR. Heater Portable Buddy MH9BX. After going through the heater reviews, you will get a better idea about it, which will eventually help you make a decision. 

So, let’s get started and review this portable heater.

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Review summary of MR Heater Portable Buddy MH9BX

Like all other MR Heater portable heaters, this model is also the top choice of many people. If you have a budget of over $100, you can easily afford it because this heater’s cost is above a hundred dollars. 

Since it is among the portable heaters, it has a compact design, and you can easily carry it with you wherever you go. Like many other heaters, this also runs on propane gas, and depending upon the heat setting; it can easily run for around 3 to 6 hours. 

Because of its integrated fold-down handle, it becomes much easier to change the heater’s place whenever needed. Also, MR Heater Portable Buddy MH9BX is approved for both indoor and outdoor use. As this heater can heat the spaces of around 200-225 square feet, you can easily use it outside as well. 

However, it runs on propane gas, so you need to buy the propane tank separately. With its improved safety features, you can easily trust this heater to use it indoors. Moreover, it comes with two heat settings so that you can change the heat accordingly. 

So, if we overall see the review of the MR Heater Portable Buddy MH9BX heater, then it’s quite positive because it gives essential features. Still, you need to know all its aspects to make sure that it’s right for you. Now let’s take a deep look into all the features, positives, and negatives about this heater. 

Specifications of MR Heater Portable Buddy MH9BX Heater

  • Fuel Type: Propane Gas
  • BTU per hour: 4,000 or 9,000 
  • Run Time: 3 to 6 hours depending on the heat setting
  • Fuel Consumption: at 4,000 BTU – 0.044 Gal/Hr, at 9,000 BTU – 0.099 Gal/Hr
  • Material: Steel, Plastic, Nickel
  • Weight of the heater without propane tank: 10.6 lb
  • Heating Area: 200-225 Sq Ft
  • Heat Settings: Two- High and Low
  • Ignition: Piezo
  • Heat Type: Radiant
  • Tank Capacity: 1 lb Propane Cylinder
  • Can connect to a 20 lb propane cylinder with the help of a hose and filter
  • May shut off when operated above 7,000 Ft sea level.
  • Wall mounting feature
  • Clean-burning
  • Swivel regulator
  • Oxygen Depletion Sensor
  • Accidental tip-over shutoff
  • Integrated fold-down handle

So, these are the specs of this model, and after going through these specifications, we hope that you must have gotten a bigger picture in mind of exactly what this heater can offer. Now, let’s discuss some of the main features of the heater to get a much better idea.

Size and Weight

Well, MR Heater Portable Buddy MH9BX is a bit heavy, but still has a compact portable design. The heater can weigh around 10 lb alone without the propane cylinder. But if we see the heater’s overall appearance, you can easily carry it around by using the fold-down handle and keeping it on any stable surface. 

So, in short, you can take it away with you when going on any outing only if you have a good travel mode because you may not be able to walk carrying this for a long time.

Heat Output

The heat output of MH9BX is excellent and efficient as it gives a BTU of 4,000 and 9,000 per hour, depending on the heat setting you have chosen. So, there are two heat settings, one is low, and the other is high. It can easily run in the low heat setting for around 6 hours, while in the high heat setting, the heater can only run for about 3 hours. 

This is a significant advantage of this heater because, depending upon the climate, you can change the heat settings. It can also easily heat a space of up to 200 to 225 Sq Ft, which makes it a good choice to use outside as well. So, you can easily use this heater for a long time indoors and outdoors as well. 

Safety Features

When it comes to providing safety features to the heaters, MR Heater never lacks the major protection feature. So, this portable Buddy MH9BX heater comes with Oxygen Depletion Sensor and Accidental tip-over shutoff features. 

Because of these features, if the heater is tipped over or the pilot light goes out, or low oxygen levels are detected, the heater will shut off automatically. These two things make it safe to be used inside as well. 

Wall mounting

Well, this is a special feature of the MH9BX heater. There are a few holes present on the back of the heater, using which you can mount the heater on a wall easily. If you don’t have a stable surface or keep the heater at a higher level, you can easily mount it on the wall.

Ease of use

MR Heater Portable Buddy MH9BX heater is quite easy to use and operate. You can connect the propane cylinder to the side of the heater. After installing the propane tank, you can depress the igniter and hold it for around 30 seconds. Once the heater ignites, you can turn on the heat setting that you want. If you wish to connect a much larger propane cylinder of around 20 lb or more, you can use an extra hose to connect it to the heater to make it run for a much longer time. 


When it comes to MR Heater’s quality of materials, they are quite good and trustworthy. So, this portable Buddy MH9BX heater can also last for a long time without any damage. 

Well, these are the features that this heater provides you. And if we look at all these features, then it’s quite clear that it is a good choice for a portable heater. But, we need to take an overview of the positives and negatives as well. 

Things We Like

  • Highly Portable model in this range
  • Fold-down handle
  • Wall-mounted propane heater
  • The safety feature is a major plus point
  • Easy to operate
  • Can connect to a bigger propane tank
  • Take less time in heating
  • Durability is far better as compared to other
  • Ideal to use inside and outside as well
  • Easy to clean process

Things We Don’t

  • Only two heat settings- high and low, but lacks medium setting
  • May get shut off if operated above 7,000 Ft sea level


Is MR Buddy MH9BX heater safe to use indoors?

Yes, it is quite safe to use indoors for a long time if there’s proper ventilation. Even though it automatically shuts off if a lack of oxygen is detected, but still to be on the safe side, you should take care of the ventilation. Also, it comes with an auto-shutoff feature whenever it is unstable, so you can easily use it inside. 

Does the Buddy MH9BX heater come with the propane tank or not?

No, the heater does not come with the tank, so you need to buy it separately and then connect it to the heater.

How long can the Buddy MH9BX heater run on a 1 lb propane cylinder?

Well, it depends on the heat setting you are using. If it’s on low, then it can run for around 5 to 6 hours easily. But if it’s on the high setting, then it runs only for 3 hours. 

Do I need a separate base to place the heater?

No, you don’t need to place a separate base. You can either place it on any stable surface or mount it on the wall using the keyholes present on the heater’s back.

How to operate MR Heater Portable Buddy MH9BX heater? 

Well, it’s quite easy to operate this heater. You need a propane tank of 1 lb and install it on the side dedicated to the heater to start it. If you wish to connect the heater to a bigger tank, you can use an extra hose to secure it. Once the tank is installed, you need to press the igniter button and hold it for around 30 seconds. When the heater ignites, you can choose the required heat setting, and that’s it. 

What do the users say?

If we see the customers’ reviews, then almost all the buyers of this portable Buddy MH9BX heater are quite satisfied with its performance. As it has a compact design and all necessary safety features, it can be used indoors and outdoors easily. 

This model comes with a few keyholes, which allows you to mount it on the wall. A maximum of the buyers recommend this heater, and as it has heat settings, so you can use any of them. 

However, it only gives two heat settings, limiting its functionalities because if you want to use the heater in a medium mode, you can’t do that as it only has a high and low mode. 

Besides this, everything is good with this heater and is highly recommended. 

Final Words

Well, now that you have gone through the detailed review of MR Heater Portable Buddy MH9BX heater, you must have gotten a clear idea about all the features and the downsides that it has. But to conclude the review, we’ll say that it is among the right choices for a portable heater as you can easily trust this heater, and it comes with all necessary attributes as well.

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