Heaters Product Database

Mr. Heater Portable Buddy MH9BX

The Portable Buddy is my favorite all-around tent heater and the one I recommend most often for typical camping setups. 

Mr. Heater is also my go-to brand for outdoor heating gear, and you'll actually see three of their models on my list.

The Portable Buddy sits right in the sweet spot: compact, powerful, and reliable without taking up half your tent.

This radiant propane heater runs between 4,000 and 9,000 BTUs, which is plenty for most average-sized tents up to about 225 square feet. 

It's lightweight at just over 7 pounds, easy to carry around camp, and uses those widely available 1-pound propane cylinders that fit neatly into any camping bin.

You can connect it to a 20-pound propane tank, but for camping I always stick with the 1-pounders to save space and keep things safer inside and around the tent.

What I appreciate most about this model is how simple and dependable it feels in real-world use. 

The low and high heat settings give you enough flexibility to warm up quickly in the evening and then dial things back once you're settled in. 

I've used this heater in a four-person tent on a chilly fall trip, and it kept the entire space surprisingly comfortable without feeling overpowering.

Safety is always the big concern with tent heaters, and this is where the Portable Buddy really stands out.

It includes a low-oxygen detector, tip-over switch, and a thermal shutdown system, all of which are must-haves for enclosed camping setups.

Even with these built-in protections, make sure your tent has proper ventilation anytime you run propane heat.

If you're looking for the best balance of warmth, portability, and safety for general camping, the Portable Buddy is the clear winner, and it is under $100.

It delivers reliable comfort without overcomplicating things, which is exactly what you want when the temperature drops at night. It's also a great option to keep around for power outages, as it is approved for indoor use.

Related article: My top recommendations for heating during a power outage

Mr. Heater Big Buddy

If the Portable Buddy is the perfect all-around camping heater, the Big Buddy is its bulked-up, heavy-duty sibling.

Instead of running on a single 1 lb propane canister, the Big Buddy model uses two at once, which gives you longer run times and the ability to push much more heat when you need it.

You can operate the Big Buddy just like the Portable Buddy at 4,000 or 9,000 BTUs, which is great for mild nights or when you're trying to stretch propane through a long trip. 

Then, when temperatures really drop, you can crank it up to 18,000 BTUs, making it one of the most powerful tent-friendly heaters on the market. 

That high setting can warm spaces up to 450 square feet, which is ideal for extra-large lodge-style tents or big multi-room tents when you keep the interior doors tied open.

Because it's so powerful, the Big Buddy is also a solid choice for temporary heating in large spaces like a pole barn or a covered outdoor workspace. It's basically the heater you bring when you know the temperature will be unforgiving.

Despite its size, the Big Buddy is still a radiant heater, so you get that instant, sun-like warmth right in front of the unit.

It also includes the same essential safety systems you'd expect from Mr. Heater: a low-oxygen shutoff, tip-over protection, and an automatic thermal shutdown.

Sengoku HMN-110

The Sengoku HMN-110 is a strong pick for campers who want a kerosene heater with serious staying power.

Its 1.2-gallon tank delivers up to 14 hours of radiant heat, making it one of the few tent-friendly heaters that can run straight through the night without swapping fuel.

That kind of endurance is a big advantage over propane models like the Portable Buddy, especially on long winter trips or hunting setups.

Kerosene availability is the main consideration here. Unlike 1 lb propane cylinders that you can find at nearly any gas station, kerosene isn't always easy to buy, depending on where you're camping. 

It's worth checking fuel availability ahead of time before choosing this Sengoku model.

With 10,000 BTUs of output, the Sengoku excels in larger tents where it can sit safely in the center and push steady, even warmth outward. Just be aware that this heater has a large footprint and weighs 22.5 pounds, so it's bulkier than the propane options on this list. 

Smaller tents likely won't have the three feet of clearance required around kerosene units, so this is best reserved for spacious lodge-style or multi-person tents. 

And like all tent heaters, it still requires proper ventilation to keep things safe.

I once helped set up this heater at an outdoor holiday market, and the extra warmth drew more customers into the vendor's tent, as people naturally drift toward a cozy radiant heat source on a cold night.

Fitinhot Camping Stove

The Fitinhot Camping Stove is one of the most popular lightweight wood-burning stoves designed specifically for tents that include a built-in chimney port. 

I highly recommend only using this type of stove with a tent that's made for it. I've known people who've rigged their own vents, and it's simply not worth the safety risk.

This Fitinhot model comes with seven individual chimney sections, so you can adjust the height to match a wide range of tent configurations.

Because it's wood-fired, this stove is the most natural and self-sustaining heat source on my list. 

You can burn whatever dry wood you find around camp, but for best performance I always pack some kiln-dried kindling to get things going quickly. 

Just keep in mind that heat output and run time depend entirely on how hot and how fast your wood is burning. 

Compared to propane or kerosene heaters like the Sengoku, this requires more hands-on attention, but it also offers a more traditional and satisfying camping experience.

One of the biggest advantages of a stove like this is versatility. The flat cooktop lets you boil water, heat up meals, or simmer coffee, and the built-in drying racks are perfect for wet socks, gloves, or small gear after a long day outdoors.

For cold-weather camping or extended trips, that combination of heat, cooking surface, and drying space can make camp life much more comfortable.

My favorite feature of the Fitinhot is the titanium-plated surface. Most wood stoves require a "burn-off" period where you let the factory coatings cook away before real use, but this one is ready to go odor-free right out of the box. 

It's also impressively portable for a wood-burning stove, weighing under 16 pounds and packing down into a compact footprint. 

The Fitinhot is a great option for multi-day trips when natural resources are abundant and you want a heater that doubles as your camp cooktop.

Mr. Heater Little Buddy

The Mr. Heater Little Buddy is the smallest heater in the Buddy lineup and a great pick for personal heating or solo camping trips.

With a simple, single output of 3,800 BTUs, the Little Buddy is extremely easy to use and well-suited for small tents or anyone new to propane heaters.

It covers up to 95 square feet, making it a compact but effective option for mild to moderately cold conditions.

Like all Mr. Heater models, the Little Buddy includes essential safety protections such as a low oxygen shut-off sensor and a tip-over switch, and it also comes backed by a 3-year warranty. 

The small footprint and lightweight design make it truly portable. You can set it beside your sleeping bag, place it near your chair outside the tent, or even bring it along for quick warm-up breaks. 

I"ve even known guys who carried one in their pack to take warming-up pit stops on long hikes.

The biggest trade-off of the Little Buddy is the 5.6-hour run time, which may not be enough for extended cold nights. And because it rests on an 8-inch round base, it"s more prone to tipping than the box-style Portable Buddy or Big Buddy.

When I use mine, I usually anchor it with a couple of rocks or bricks to keep things stable. 

If you"re expecting very cold weather or want longer heating sessions, I"d recommend upgrading to the Portable Buddy. It"s only about twenty dollars more, offers two heat settings, and covers a larger area.

Still, for quick, personal, and highly portable warmth, the Little Buddy delivers exactly what it promises. It is my top recommendation for when each camper wants their own heat source.

What size tent heater do I need for winter camping?

Cold-weather camping usually requires 4,000=9,000 BTUs for small and mid-size tents and up to 18,000 BTUs for large lodge-style tents. Always match the heater's coverage rating to your tent size.

Do tent heaters work at high elevations?

Propane and kerosene heaters can struggle in thinner air because oxygen levels drop, which may trigger safety shut-off sensors. Wood-burning stoves tend to perform more consistently at elevation.

Is condensation normal when heating a tent?

Yes, condensation is very common when using heaters in a tent. Venting your tent slightly or using a wood stove with a chimney can help reduce moisture buildup.

Can I use a regular space heater inside a tent?

Household plug-in space heaters are not safe for tents because they're not designed for fabric enclosures and typically require stable electrical sources. Only use heaters specifically rated for tent or outdoor use.

Related article: Space heaters I recommend for smaller rooms