We all know that moment when the sun dips and the temperature plummets unexpectedly, turning a relaxing evening into a shivering ordeal. While good Sleeping Bags and thick jackets help, sometimes you just need to knock the chill out of the air instantly.
The good
- Powerful 9,000 BTU output
- Built-in tip-over auto shut-off
- Compact at 34.5 x 37 cm
- Lightweight for power (3.6 kg)
- Piezo ignition is hassle-free
The not-so-good
- 465g canister only runs 2.4 hours
- Hose for 9kg tank is sold separately
- No built-in temperature regulator
We tested the Mr Heater Portable Buddy to see if this popular gas heater is truly the ultimate camping companion or just a bulky piece of gear. This might be the comfort upgrade your camp kit needs, providing fast, efficient warmth whether you’re relaxing under your Awning or just trying to get some circulation back into your fingers on a frosty morning.
What You’re Getting
A portable radiant propane gas heater offering up to 9,000 BTU of heat output. Features include three built-in safety devices (ODS, tip-over, flame failure) and easy piezo ignition for quick, reliable heating in small spaces.
Quick Specs
If you’re ready to dive into the details, here are the key specs for this product. The table below gives you a clear and quick overview of everything you need to know.
| Spec | Details |
|---|---|
| Brand | Mr Heater |
| Model Number | F232070 / MH9BX |
| Max Heat Output | 9,000 BTU |
| Fuel Type | Propane Gas |
| Dimensions (W x D x H) | 34.5 x 18.5 x 37 cm |
| Weight (Empty) | 3.6 kg |
| Safety Features | Tip-over, ODS, Flame Failure |
| Ignition | Piezo Push-Button |
| Max Runtime (465g canister) | 3 hours (High), 6 hours (Low) |
First impressions
The Mr Heater portable buddy looks exactly like a reliable, no-nonsense piece of heating equipment should. It arrived well-packaged and the handle folds neatly down into the unit when not in use, making it feel compact even at 34.5 cm wide. The ignition works hassle-free and fires it up with a simple push of the Piezo button.
The ceramic heating element immediately is radiating the warmth, and the 9,000 BTU output is noticeable instantly, throwing heat a fair distance. For warming up a cold tent or a small workshop, the power is definitely there. For us, the most important feature that stood out right away was the built-in safety features. Knowing it has an Oxygen Depletion System (ODS) and a tip-over auto shut-off provided a lot of confidence, especially for those colder nights when you might want to run it briefly in an enclosed space like a tent or caravan.

Materials & Build Quality
The build quality of the Mr Heater Portable Buddy is centered on durable, functional materials designed to handle typical outdoor life. The main housing is constructed from rugged plastic and metal components that protect the internal gas connections and the sensitive ceramic heating element. This heater isn’t built to be lightweight or sleek; it is built to be robust, capable of handling a few bumps in the back of a 4WD or when being moved around the campsite.
The ceramic element itself is mounted securely behind a metal grill. This radiant design is efficient at throwing heat forward. While the exterior might look basic, the quality lies in the internal components, particularly the safety sensors. The ODS system, the flame failure device, and the auto shut-off all feel like well-engineered safeguards, which are non-negotiable for a portable gas appliance.

Ergonomics & Weight
At 3.6 kg, the Mr Heater portable buddy is certainly not ultralight. However, for a heater that delivers 9,000 BTU of output, 3.6 kg is perfectly manageable. The weight is comparable to a small toolbox, so it’s easy enough to lift, carry, and position wherever you need immediate heat.
The integrated fold-down handle is robust and comfortable to grip, making transport easy. Once set up, the unit is stable thanks to its low-and-wide footprint (34.5 x 18.5 cm). The controls (a simple ignition button and a dial to regulate the heat level) are intuitive and easy to use, even with gloves on a freezing morning. Crucially, the design allows the heater to safely accommodate the 465g propane canister directly on the back, keeping the whole setup self-contained and free of trailing hoses (unless you opt for a larger tank connection). The balance between its high heat output and its relatively compact, stable design makes it exceptionally easy to use in tight spaces.


Performance & Features
The key to the Mr Heater Portable Buddy is its performance, driven by a powerful 9,000 BTU output. This means it can raise the temperature significantly in a small, enclosed area, or provide noticeable warmth in an open space like a campsite or around a Camp Table. We found it incredibly effective for rapid, spot heating.
While the high output is great, the features around safety are truly what make the Mr Heater portable buddy shine. It features three critical, built-in safeguards: the Oxygen Depletion Sensor (ODS) that shuts the heater down if oxygen levels drop too low; the Flame Failure Safety Device that stops gas flow if the flame goes out; and the essential Tip-Over Auto Shut-Off. Using a radiant gas heater requires vigilance and ventilation, but having these features provides peace of mind.
The high setting runtime on a small 465g canister is limited to about 3 hours (6 hours on low), which is enough for a chilly morning warm-up or an hour before bed. For longer trips, connecting it to a larger 9kg gas bottle (via a separate GM110 hose) is the way to go, transforming it into an extended, reliable heat source.


Gear That Complements Your Camping Setup
Since the Mr Heater portable buddy often uses propane, it fits neatly alongside other gas-powered gear. If you’re already carrying a larger 9kg gas cylinder, make sure you have the appropriate hose and check out our Camp Kitchen section for compatible stoves and grills.
For keeping that heat in overnight, look into upgrading your insulation with our range of Sleeping Pads and high-performance Sleeping Gear. And if you’re concerned about using electronics in the cold, our Off-Grid Power solutions can keep batteries working efficiently.
The Mr Heater Portable Buddy is a solid, no-nonsense radiant gas heater that solves the problem of cold camping quickly and safely.
It delivers high heat output—up to 9,000 BTU—and features a simple piezo ignition system that works every time. While you need to purchase the hose separately for long-term use with a large gas bottle, the ability to connect to either a small disposable canister or a big cylinder makes it highly adaptable. The multiple integrated safety devices, including the ODS system, confirm its status as a reliable and trustworthy piece of kit for anyone venturing out in colder climates.
This heater is best for campers, caravan owners, or workshop users who need supplemental, powerful, and safe spot heating. It's ideal for quickly taking the chill off a large tent or vehicle interior on cold mornings before getting out of your Sleeping Gear.
The blend of high heat output, robust construction, and non-negotiable safety features means the mr heater portable buddy offers excellent value. While the small canister runtime is short, the heater’s versatility and reliability make it a worthwhile investment for comfort in cold conditions.


