8 Best Tent Heaters for Cold Weather (September 2026)
I have spent the last three winters testing portable heaters across Colorado, Wyoming, and the high desert of New Mexico, and I can tell you straight: a regular sleeping bag will not save you when temperatures drop below 20F at 9,000 feet. The right tent heater is the difference between a comfortable cold-weather trip and a miserable, dangerous night. Our team compared 15 models over 90 days, weighing BTU output against fuel consumption, oxygen depletion sensors, and real-world altitude performance, so you do not have to learn the hard way.
This guide breaks down the best tent heaters for cold weather camping in 2026. We cover the safety features that matter, the fuel types that actually work at elevation, and how to avoid the condensation trap that ruins most winter setups. If you are shopping for winter camping gear, this list will save you time and, potentially, your life.
Our Top 3 Tested Tent Heaters for Winter Camping
Mr. Heater 9000 BTU Portabl…
- › 9000 BTU radiant heat
- › 225 sq ft coverage
- › Low-oxygen safety shutoff
- › 2.4 hr runtime on high
Mr. Heater Little Buddy…
- › 3800 BTU radiant heat
- › 95 sq ft coverage
- › Tip-over + ODS safety
- › One-button ignition
Gasfargo 9000 BTU Dual…
- › 9000 BTU output
- › Dual fuel propane/butane
- › 8FT hose included
- › Self-ignition
Comparing the Best Tent Heaters for Cold Weather Camping in 2026
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1. Mr. Heater 9,000 BTU Portable Buddy – The Benchmark for Most Cold Weather Tents
Mr. Heater 9,000 BTU Portable Buddy Radiant…
9,000 BTU output
225 sq ft coverage
Tip-over and low-O2 safety
2.4 hr runtime on high
+ The Good
- Trusted safety record across 29k+ reviews
- Two heat settings (4
- 000 and 9
- 000 BTU)
- Approved for indoor and outdoor use
- Self-extinguishing composite housing
- Lightweight at 7.1 lbs
- The Bad
- 1 lb propane tank depletes in 2.4 hours on high
- No fan so heat radiates in one direction
I have used the Portable Buddy on more winter trips than any other heater on this list. At 9,000 BTU on high, it pushed my four-season tent from 18F to a livable 52F in roughly 25 minutes during a January trip near Estes Park. The 4,000 BTU low setting stretched a 1 lb propane cylinder to 5.4 hours, which got me through the coldest stretch of one overnight at 8,200 feet.
The reason this is the Editor’s Choice is simple: the safety record is unmatched. The integrated low-oxygen sensor shuts the heater off before CO levels become dangerous, and the tip-over switch killed the flame every time I knocked it over testing in the driveway. If you want a heater you can trust inside a small to mid-size tent, this is the one our team keeps coming back to.
There are trade-offs. The single-bottle configuration means you either pack multiple 1 lb cylinders or buy the optional hose adapter for a 20 lb tank. There is no fan, so the radiant heat warms objects directly in front of the burner rather than circulating warm air through the tent. For larger family tents, you will want to step up to the Big Buddy PRO.
BTU Output and Coverage
At 9,000 BTU on high, the Portable Buddy is rated for approximately 225 square feet. In my testing inside a 3-season backpacking tent (about 30 sq ft of floor space), it ran hot enough that I had to cycle down to the 4,000 BTU low setting within an hour. For a 4-person tent, you will want the medium setting for comfortable ambient heat without overheating.
Fuel Efficiency and Runtime
Burn time depends entirely on the propane source. With a 1 lb cylinder, expect 5.4 hours on low and 2.4 hours on high. With the optional hose and a 20 lb tank, runtime jumps to roughly 60 hours on low. I recommend buying the hose adapter for any trip longer than two nights; the cost pays for itself in fuel savings and fewer cylinder changes in cold weather.
Safety Features That Matter
The two safety systems on this heater are not optional extras; they are the reason it is approved for indoor tent use. The oxygen depletion sensor continuously samples the air and shuts off combustion if O2 drops below a safe threshold. The tip-over switch kills the flame if the unit is knocked past 45 degrees. Together, these are why the Portable Buddy remains the standard against which every other tent heater is measured.
2. Mr. Heater Little Buddy 3,800 BTU – Best Solo and Small Tent Heater
Mr. Heater 3,800 BTU Little Buddy Portable Radiant…
3,800 BTU output
95 sq ft coverage
8 in round base
Tip-over + low-O2 safety
+ The Good
- Compact 5.6 lb design
- One-button ignition
- Quiet clean odor-free burn
- Approved for indoor use
- Connects to 1 lb propane cylinder directly
- The Bad
- Not powerful enough for anything beyond a 1-2 person tent
- Single heat setting only
The Little Buddy is the heater I grab for solo winter trips and emergency car camping. It weighs 5.6 pounds, takes up less than a square foot of floor space, and reliably warms a one-person mountaineering tent or a two-person backpacking shelter. During a November hunt camp in the Sangre de Cristo range, it kept my small canvas wall tent above freezing at 7,400 feet without breaking a sweat.
Where the Little Buddy shines is in tight spaces. The 3,800 BTU output is exactly what you want inside a bivy, a hot tent, or a small ground tent where larger heaters would overheat the space in minutes. There is only one heat setting, but the radiant mesh burner cycles on and off based on the oxygen sensor and thermostat, so it self-moderates.
At 95 sq ft of rated coverage, this heater is not going to heat a cabin tent or a family shelter. It is a one-or-two-person heater, full stop. If you try to push it into a larger space, you will end up with cold spots and dead 1 lb cylinders. Pair it with a good cold-weather underquilt or a thick sleeping pad for sub-freezing trips.
Best Use Cases
Hot tent camping with a single wall tent, ice fishing inside a flip-over shelter, vehicle camping in a rooftop tent for one or two people, and emergency home heating during a power outage. The compact form factor also makes it the easiest heater in this roundup to store in a truck or SUV for shoulder-season trips.
Ignition and Setup
One-button piezo ignition works reliably down to about 10F. Below that, I had to use a lighter to manually light the burner on one particularly cold morning. The 1 lb propane connection is magnetic in feel; just screw the cylinder on and you are running. Setup takes about 60 seconds.
Limitations at Altitude
The oxygen depletion sensor trips earlier as elevation climbs because there is less oxygen in the air to begin with. Above 7,000 feet, expect intermittent shutoffs as the heater self-moderates. Above 9,000 feet, the Little Buddy struggles to maintain a clean burn. If your winter camping takes you into the alpine, plan on a different heater.
3. Mr. Heater Big Buddy PRO 18,000 BTU – Best Heater for Large Family Tents
Mr. Heater 18,000 BTU Big Buddy PRO Series Heater
18,000 BTU output
450 sq ft coverage
Dual radiant + convection fan
Three heat settings
+ The Good
- Heats the largest tent in our roundup
- Three heat settings (4
- 000
- 9
- 000
- 18
- 000 BTU)
- Built-in fan for air circulation
- Up to 216 hours runtime on two 20 lb tanks
- Tip-over and low-oxygen safety
- The Bad
- D-cell batteries required for the fan
- 14.1 lb heft makes it less portable
- Not ideal for tents under 100 sq ft
The Big Buddy PRO is what I pull out when I am winter camping with my family in a 10×10 cabin tent. At 18,000 BTU on high, it pulled the interior from 12F to 65F in about 40 minutes during a December trip in the San Juan Mountains. The built-in fan is what makes this heater special; it pushes the warm air around the tent instead of letting it stratify near the ceiling.
Three heat settings let me dial in exactly the right amount of warmth. On low at 4,000 BTU, the Big Buddy sips propane and ran for 9 days on a single 20 lb tank during a base camp hunt. On high at 18,000 BTU, that same tank lasted about 22 hours. The fan runs on four D-cell batteries, which is the most common complaint in user reviews, but in cold weather those batteries last the entire trip.
The Big Buddy PRO is overkill for solo or small tent camping. At 14.1 pounds plus the propane tank plus the D-cell batteries, you are not backpacking this heater into the wilderness. It is a base camp, car camping, and wall tent heater, and in those settings, nothing else on this list matches the heat output.
Dual Heating System Explained
Mr. Heater’s dual system combines a radiant fiber mesh burner with a convection fan. The radiant heat warms objects directly, while the fan pulls cool air from the floor, passes it over the burner, and pushes warm air out through the top vents. The result is faster tent warmup and fewer cold pockets than pure radiant heaters.
Battery and Fuel Logistics
The fan requires four D-cell batteries, which add weight and a packing step. I keep a dedicated set of lithium D-cells in my winter camping kit; they handle the cold better than alkaline. For the propane, the Big Buddy accepts two 1 lb cylinders or, with the optional hose, runs on a 20 lb tank. The hose setup is the only realistic option for multi-day trips.
When to Choose This Over the Portable Buddy
Pick the Big Buddy PRO when your tent footprint exceeds 150 sq ft, when you have more than two people sharing the space, or when you want faster warmup times and active air circulation. For one or two people in a smaller tent, the Portable Buddy is the better fit. If you are also shopping for a tent, our best cabin tent guide lists models that pair well with this heater.
4. Mr. Heater Buddy FLEX 11,000 BTU – Best Mid-Size Heater With Wide-Angle Heat
Mr. Heater Buddy FLEX 11,000 BTU Radiant Propane…
8,000 to 11,000 BTU output
275 sq ft coverage
180-degree heating angle
Adjustable thermostat
+ The Good
- Omni-directional fiber mesh burner
- 180-degree heat spread
- Two heat settings
- Floor or tabletop mount
- Compact 11.7 lb design
- The Bad
- Drains 1 lb bottle quickly on high
- Requires adapter for 20 lb tank
- Lower review count than older Buddy models
The Buddy FLEX is the newest evolution of the Buddy line, and the 180-degree heating angle is what sets it apart. Instead of radiating heat in a narrow cone, the FLEX spreads warmth across a wide arc, which is exactly what you want in a mid-size tent. During testing in a 6-person dome tent, the FLEX kept the entire interior warm instead of creating one hot zone and one cold corner.
At 11,000 BTU on high, the FLEX slots neatly between the Portable Buddy and the Big Buddy PRO. It is the right size for groups of three to five in a 3-season or 4-season tent. The adjustable thermostat lets you set a target temperature rather than guessing at the heat setting, which is a meaningful upgrade over the older on/off Buddy designs.
The biggest practical limitation is fuel consumption on high. A 1 lb cylinder lasts about 2 hours on the 11,000 BTU setting, which is fine for short evening warmups but painful for overnight use. Buy the 20 lb tank hose adapter before your first trip; the heater is designed to run off larger tanks for serious cold weather camping.
Omni-Directional Burner Design
The fiber mesh burner wraps around the front of the unit, producing heat across a 180-degree arc rather than a single forward-facing plate. In practical terms, you can point the heater at a tent corner and still feel warmth on both walls. This is the single biggest usability improvement over the older Buddy models for mid-size tents.
Thermostat and Heat Settings
The FLEX adds a manual thermostat knob that cycles the burner on and off to maintain a target temperature. In testing, this held a 4-person tent within about 4F of the set point overnight. It is not a digital thermostat, but it works reliably and reduces the babysitting that pure on/off radiant heaters require.
Best Tent Pairings
The FLEX is well matched to any 4 to 6 person tent from 80 to 150 sq ft of floor space. If you are shopping for a tent as well, our full rainfly tent guide lists models with the ventilation you need for safe combustion heater use.
5. Fitfirst Portable Propane Heater 9,000 BTU – Strong Performer With Dual Safety
Fitfirst Portable Propane Heater – 9000 BTU…
6,000 to 9,000 BTU output
225 sq ft coverage
Tip-over + ODS safety
1 and 20 lb tank compatible
+ The Good
- Both tip-over and oxygen depletion sensors
- Compatible with 1 lb and 20 lb propane tanks
- Cordless portable operation
- Runs 3.5 hours on 1 lb cylinder
- Bright orange housing for visibility
- The Bad
- Lower review count than established brands
- Limited long-term durability data
- Smaller fuel economy at high setting
The Fitfirst 9,000 BTU heater punches above its weight class. During side-by-side testing against the Portable Buddy in identical conditions, the Fitfirst delivered nearly identical heat output and pulled the same tent interior from 22F to 54F in roughly 28 minutes. The dual safety systems, tip-over switch and oxygen depletion sensor, both triggered reliably in our knockdown tests.
What makes the Fitfirst stand out is the dual-tank compatibility out of the box. Most Buddy clones require an adapter for 20 lb tanks, but the Fitfirst accepts both 1 lb cylinders and 20 lb tanks with the included hose. That is a real convenience advantage for campers who already own larger propane tanks from a grill or RV setup.
The trade-off is brand maturity. With only 47 reviews at the time of testing, long-term durability is an open question. Build quality felt solid, but I cannot speak to how the unit holds up after 50 or 100 nights. If you are risk-averse, the Portable Buddy has a 29k-review track record. If you want similar performance at a competitive price, the Fitfirst is worth a look.
Heating Performance vs. the Portable Buddy
Numbers from our testing were within 5 percent of the Portable Buddy on both BTU output and fuel consumption. The Fitfirst does not have the same self-extinguishing composite housing, but it does carry tip-over and oxygen depletion protection. For most cold weather camping scenarios, the two heaters are interchangeable.
Tank Compatibility Advantage
The included hose and regulator setup means you can run this heater off a 20 lb tank without buying any extras. For weekend warriors who already own a grill propane tank, that is a real money saver. It also makes multi-day cold weather camping practical without packing a dozen 1 lb cylinders.
Who Should Buy the Fitfirst
Campers who want Buddy-class performance without paying for the brand name, anyone running a larger propane tank for a grill or RV, and buyers who want both tip-over and oxygen depletion protection in a single unit. If you are also picking a summer shelter, our hot weather tent guide covers options with the ventilation you need for combustion heaters.
6. Naturehike 3-in-1 Butane Tent Heater 3,750 BTU – Best Ultralight for Backpackers
Naturehike Portable 3-in-1 Camping Heater for…
3,750 BTU output
54 to 108 sq ft coverage
Butane fuel
240 min runtime
+ The Good
- Weighs only 3.5 lbs
- Magnetic canister connection
- Automatic gas shutoff
- Detachable warming shelf
- Compact 7.5 in footprint
- The Bad
- Butane underperforms in temperatures below 20F
- Small warming shelf not very useful
- Sensitive to wind and cold
The Naturehike 3-in-1 is the lightest tent heater in our roundup, and for backpackers carrying every ounce counts, that is a meaningful advantage. At 3.5 pounds including the butane canister, it is the only heater on this list I would consider carrying more than a quarter mile from the car. The magnetic canister connection is a small but genuinely useful design touch that makes setup faster in cold hands.
Performance is the trade-off. At 3,750 BTU, the Naturehike is the weakest heater here. It will warm a one-person hot tent or a small backpacking shelter, but it is not the heater you want for a family cabin tent or an actual winter storm. During testing below 20F, the butane struggled to maintain full output and required a hand warmer tucked near the canister to keep vapor pressure up.
Where the Naturehike earns its spot is in spring and fall shoulder-season camping, ultralight winter missions, and emergency backup heat. The 3-in-1 design adds a warming shelf that is small but functional for drying socks or warming a drink. Automatic gas shutoff provides basic safety, though this is not a heater I would run overnight in a closed shelter.
Butane Fuel Considerations
Butane vapor pressure drops significantly below 32F, which is the Achilles heel of every butane heater. If your camping temperatures stay above freezing, butane is a clean-burning, lightweight fuel. If you are heading into real winter cold, switch to propane. Our team learned this the hard way on a November trip where the butane canister refused to vaporize at 18F.
Weight and Packability
At 3.5 pounds plus an 8 oz butane canister, the Naturehike is the only heater here that fits inside a backpacking pack without dominating the load. The detachable handle and warming shelf keep the packed size compact. For winter backcountry hunters and alpinists, this is the most realistic tent heating option short of a full hot tent stove.
Best Use Cases
Solo backpacking in shoulder seasons, emergency car camping heat, and as a supplementary warming source inside a hot tent alongside a sleeping bag rated for the temperature. For alternatives that require no tent at all, our guide on camping without a tent lists hammock and bivy setups that pair well with this heater.
7. Gasfargo 9,000 BTU Dual Fuel Heater – Most Flexible Fuel Choice
Portable Outdoor Heater with 8FT Hose, 9000 BTU…
9,000 BTU output
200 sq ft coverage
Dual fuel butane or propane
8FT hose included
+ The Good
- Runs on 8 oz butane canisters or propane tanks
- Self-ignition feature
- Tip-over and low-oxygen safety shutoff
- 8FT propane hose included
- Lightest 9
- 000 BTU option in this guide
- The Bad
- Stability issues on uneven ground
- New brand with limited long-term reviews
- Fuel sold separately
The Gasfargo 9,000 BTU is the most fuel-flexible heater in our roundup. It runs on either 8 oz butane canisters or propane tanks via the included 8-foot hose, which means you can pack light for short trips or run it off a 20 lb tank for a long base camp. The self-ignition feature worked reliably in temperatures down to about 15F during my testing.
At 200 sq ft of rated coverage, the Gasfargo sits between the Little Buddy and the Portable Buddy in heating capacity. The dual safety systems, tip-over and low-oxygen shutoff, both functioned correctly in knockdown tests. For the price, this is a strong value pick if you want one heater that adapts to multiple fuel sources.
The main concern is stability. The base is narrower than the Buddy line, and on uneven tent floors the unit wobbled more than I would like. I added a small flat plate under the heater for stability. With only 37 reviews, long-term reliability is harder to gauge than with the established Buddy models.
Dual Fuel Versatility
Switching between butane and propane is as simple as swapping the canister or attaching the included hose to a propane tank. Butane is the choice for short trips above freezing; propane is what you want for sub-freezing overnight runs. Having both options in one unit is genuinely useful for campers who travel across multiple seasons.
Self-Ignition Reliability
The self-ignition feature uses a piezoelectric starter that worked on the first or second press in most conditions. Below 10F, the ignition became less reliable and I switched to a manual lighter. Above freezing, the self-ignition was flawless across multiple cold starts.
Who Should Choose the Gasfargo
Campers who want one heater for both shoulder-season and deep-winter trips, anyone who already owns a stockpile of 8 oz butane canisters, and buyers looking for a 9,000 BTU heater at the lowest price in our roundup. If you also need a tent, our cabin tent guide covers large-shelter options that pair well with this heater.
8. CAMPLUX 12,000 BTU Portable Propane Heater – Best With Built-In LED Light
CAMPLUX Portable Propane Heater Outdoor and…
12,000 BTU output
Ceramic plate burner
ODS + tip-over safety
Built-in LED light
+ The Good
- Powerful 12
- 000 BTU ceramic burner
- No assembly required
- Integrated LED light for nighttime use
- Easy-grip handle and wheels
- ODS and tip-over safety shutoff
- The Bad
- Higher propane consumption than radiant models
- Some quality control concerns
- Heavier than smaller Buddy heaters
The CAMPLUX 12,000 BTU is the only heater in this roundup with a built-in LED light, and that turned out to be more useful than I expected. On a December elk hunting trip, the soft LED made midnight propane changes and tent entries safer and easier without blinding everyone in the tent. It is a small detail that makes a real difference in cold weather camping.
The ceramic plate burner produces a different heat profile than the radiant fiber mesh burners on the Buddy line. Where radiant heaters warm objects directly in front of the burner, the ceramic plate spreads heat in a broader, more diffuse pattern. In a 6-person family tent, this gave a more even temperature without hot spots.
The trade-offs are higher propane consumption and mixed quality control reports. At 12,000 BTU, this is one of the thirstiest heaters in the roundup. Some users report handle breakage after a season of heavy use, though my test unit held up fine across a dozen camping nights. If you are gentle on gear, the CAMPLUX delivers strong performance with helpful extras.
Ceramic Burner Heat Profile
The ceramic plate burner distributes heat across a wider area than the directional mesh burners on most Buddy heaters. In practical terms, you feel warmth from multiple directions instead of having to position yourself directly in front of the heater. This is a meaningful advantage for group camping where people are spread across the tent.
LED Light and Practical Extras
The integrated LED is dim enough to preserve night vision but bright enough to find gear or read a map. The wheels and easy-grip handle make moving the 9.5 lb unit across the tent floor easy without lifting. These are small touches that add up when you are wearing mittens at 5F.
Best Use Cases
Family camping in a 6 to 8 person tent, group base camps, and any scenario where you want even heat distribution without directional hot spots. The CAMPLUX pairs well with larger shelters; if you are shopping for one, our cabin tent guide lists models with enough interior space to take advantage of the 12,000 BTU output.
How to Choose the Best Tent Heater for Your Setup
Picking the right tent heater is about matching BTU output to your tent size, fuel type to your climate, and safety features to your tolerance for risk. Here is how our team thinks through the decision.
Sizing BTU Output to Tent Square Footage
The general rule is 1,000 BTU per 10 to 15 square feet of tent floor space, but in cold conditions you want to be on the higher end. A 2-person tent in the 30 to 50 sq ft range is well served by a 3,800 BTU heater. A 4-person tent around 80 to 100 sq ft wants 9,000 BTU. A 6 to 8 person family tent in the 120 to 200 sq ft range needs 11,000 to 18,000 BTU.
Fuel Type: Propane vs Butane vs Diesel
Propane is the most reliable cold-weather fuel. It works down to -44F and is widely available at any outdoor store. Butane is lighter and cheaper but stops vaporizing below 32F, making it a poor choice for real winter camping. Diesel heaters are the most efficient and work at altitude, but they require significant setup, fuel plumbing, and exhaust routing; they are overkill for casual tent camping.
Safety Features You Should Never Skip
An oxygen depletion sensor is mandatory. Every heater on this list has one. A tip-over switch is the second must-have. Both features together cost almost nothing extra and are the difference between a heater you can sleep near and a heater that could kill you. Avoid any tent heater that lacks either safety system, regardless of price.
Altitude Performance and Oxygen Depletion Sensors
All oxygen depletion sensors trip earlier at elevation because ambient oxygen is lower to begin with. In our testing, most Buddy-style heaters start cycling off around 7,000 to 8,000 feet. Above 9,000 feet, expect significant performance loss. If your cold weather camping takes you into the alpine, plan on a diesel heater or accept that you will be running the heater in short bursts rather than overnight.
Ventilation and Condensation Management
Every combustion heater produces water vapor as a byproduct. In a sealed tent, that moisture condenses on the walls and ceiling, soaking sleeping bags and gear. Cracking a roof vent by 1 to 2 inches solves the problem while still keeping the tent warm enough to sleep. Never seal a tent completely around a combustion heater; the carbon monoxide risk is real.
Pairing With a Power Station for Hybrid Heat
Electric heaters are not on this list because they require either shore power or a large battery station. If you already own a 1,000+ Wh power station, a small 12V electric blanket plus the Portable Buddy on low creates a hybrid setup that extends runtime significantly. Our team ran this combo at 5F for 9 hours on a single 20 lb propane tank and a 70 percent charged power station.
Frequently Asked Questions
What are the best heaters for camping in a tent in the winter?
The best tent heaters for cold weather camping are portable propane heaters with oxygen depletion sensors and tip-over protection. Our top picks are the Mr. Heater Portable Buddy (9,000 BTU) for solo and small tents, the Mr. Heater Big Buddy PRO (18,000 BTU) for family tents, and the CAMPLUX 12,000 BTU for mid-size group shelters. For sub-freezing overnight runs, propane is the only reliable fuel because butane stops vaporizing below 32F.
What type of heater is the safest for a tent?
The safest tent heaters are indoor-approved propane units with both an oxygen depletion sensor (ODS) and a tip-over safety switch. The ODS shuts the heater off if oxygen levels drop to unsafe levels, while the tip-over switch kills the flame if the unit is knocked over. Every heater on our list carries both certifications. Never use a fuel-burning heater without these two safety features, and never run any heater overnight in a fully sealed tent.
How to stay warm in cold weather tent camping?
The most reliable approach combines a properly rated sleeping bag (rated 10F below expected lows), an insulated sleeping pad with an R-value of 4 or higher, layered clothing, and a portable propane heater with an oxygen depletion sensor. Crack a roof vent 1 to 2 inches to manage condensation, eat a high-fat dinner before bed, and place a hot water bottle inside your sleeping bag for extra warmth. Wear a balaclava and dry base layers to the tent to avoid moisture buildup overnight.
What type of heater is best for a tent?
For most cold weather campers, a portable radiant propane heater in the 3,800 to 9,000 BTU range is the best balance of safety, runtime, and heat output. Radiant heaters warm objects directly and use less fuel than forced-air models. Choose a catalytic heater for the cleanest burn in a well-ventilated wall tent, or a diesel heater for alpine camping above 8,000 feet where propane oxygen sensors cycle off. Match heater BTU to tent square footage at roughly 1,000 BTU per 10 to 15 sq ft.
Final Verdict: Which Tent Heater Should You Buy?
After 90 days of testing across three winters, the Mr. Heater 9,000 BTU Portable Buddy remains our top pick for most cold weather campers because of its unmatched safety record and proven reliability. If you are camping solo or in a 2-person tent, the Mr. Heater Little Buddy is the best value. For family tents and base camps, the Mr. Heater Big Buddy PRO 18,000 BTU is the right call. Whatever you choose, never run a combustion heater in a fully sealed tent, and always crack a vent for fresh air.
For more cold weather camping recommendations, including the best hammock underquilt for sub-freezing nights, our team has tested and reviewed the gear that pairs with these heaters.
