The following guide compares top cordless propane heaters suited for job sites, workshops, camping, and patio use. Below is a concise comparison table of the five featured models to help you quickly scan key attributes before diving into detailed reviews.
| Product | Brand | BTU Range | Best For |
|---|---|---|---|
| DEWALT F332000 Cordless Propane Radiant Heater | DEWALT | 6,000–12,000 | Jobsites, campsites, portable lighting & power |
| Mr. Heater Portable Buddy MH9BX | Mr. Heater | 4,000–9,000 | Indoor-safe small to mid spaces (campers, workshops) |
| DEWALT 68,000 BTU 20V Battery Start Heater | DEWALT | 68,000 | Large job sites, garages, industrial use |
| Mr. Heater Little Buddy MH4B | Mr. Heater | 3,800 | Small enclosed spaces like tents or small rooms |
| Hotdevil Portable 6,200 BTU Heater | Hotdevil | 6,200 | Outdoor activities, patios, fishing, tents |
DEWALT F332000 12,000 BTU Cordless Propane Radiant Heater With ODS
This DEWALT model is a radiant propane heater with adjustable high/low settings from 12,000 to 6,000 BTU, designed to heat up to 300 sq. ft. It uses DEWALT 20V MAX or FlexVolt batteries (not included) to power an integrated LED light bar, a high-velocity fan, and three USB ports for device charging.
Key safety and runtime features include an oxygen depletion system (ODS) and tip-over protection. With dual 1 lb cylinder capacity, the unit provides extended runtimes—roughly 3.5 hours on high or up to 7 hours on low with two cylinders. The combination of portable heat, onboard lighting, and battery-powered accessories makes this unit practical for jobsite use and campsites where power and light are needed alongside warmth.
Mr. Heater Portable Buddy MH9BX 4,000–9,000 BTU Indoor-Safe Heater
The Mr. Heater Portable Buddy uses infrared radiant heat to warm objects and people directly, with a BTU range of 4,000 to 9,000, intended for areas up to about 225 sq. ft. It features a Piezo igniter for quick matchless starts and an enhanced tip-over safety switch that audibly engages when disturbed.
Safety design emphasizes indoor compatibility with an improved tip-over mechanism and reliable ignition. The model is commonly chosen for campers, workshops, and small patios where portable, direct radiant warmth is preferred. It is battery-free for ignition, reducing reliance on external power for startup.
DeWalt 68,000 BTU 20V Battery Start Portable Propane Space Heater
This DEWALT model is a high-output forced-air propane heater delivering up to 68,000 BTU, designed for larger garages, job sites, and industrial settings. It features a battery-start option using 20V cells, enabling ignition without external electrical sources.
Design priorities include noise reduction (quieter operation) and robust industrial housing. The heater is CSA certified and intended to provide efficient, durable heat for larger, often partially enclosed workspaces. Its higher BTU output and forced-air design differentiate it from radiant models when quick warming of volume is required.
Mr. Heater F215100 Little Buddy 3,800 BTU Indoor-Safe Propane Heater
The Little Buddy is a compact indoor-safe propane radiant heater producing 3,800 BTU with a 45° heating angle, suitable for small spaces up to about 95 sq. ft. It includes ODS (low oxygen shut-off), tip-over protection, and a patented cross-thread protection system for secure cylinder connection.
Runtime is roughly 5.6 hours on a 1 lb cylinder at maximum output. This model is aimed at small enclosed areas like tents, hunters’ blinds, and compact workshops where lightweight portability and basic safety systems are priorities. Its simple on/off controls and low footprint make it easy to store and transport.
Portable Heater 6,200 BTU For Camping, Patio, Garage
This Hotdevil model is a compact propane radiant heater rated at around 6,200 BTU, promoted for heating up to 200 sq. ft. It includes an adjustable control valve for temperature tuning and is described as suitable for outdoor activities like fishing, camping, tailgating, or patio use.
Emphasis in the design is on lightweight portability and simple setup. The unit is intended as a versatile outdoor companion for homeowners and outdoor enthusiasts. Users should verify safety features and intended operating environments since many small propane heaters are optimized for outdoor or well-ventilated spaces.
Buying Guide — How To Choose A Cordless Propane Heater
Selecting the right cordless propane heater depends on your intended use, safety needs, and portability preferences. Below are the main factors to weigh and how they compare across products.
1. Heating Power And Coverage
BTU Rating indicates capacity. Small personal heaters range from ~3,800–9,000 BTU for single-person or small-space use. Mid-range units (6,000–12,000 BTU) are suited for campsites and moderate jobsite areas, while high-output forced-air units (tens of thousands of BTU) are for large garages and commercial sites.
2. Heating Type: Radiant Vs. Forced Air
- Radiant Heaters heat objects and people directly and are efficient for focused warmth in smaller areas or outdoor settings.
- Forced-Air Heaters move warmed air throughout a space and are better for heating volumes quickly, useful in garages and large job sites.
3. Cordless Start Methods And Power Options
Cordless heaters may use battery start systems or piezo ignition that requires no batteries. Battery-powered units can also power lights and USB ports; piezo igniters eliminate battery reliance for ignition. Consider whether you need additional battery-powered features like lights or chargers.
4. Fuel Source And Runtime
Most portable models use 1 lb disposable cylinders; some support dual cylinders for longer runtime. Runtime varies with BTU setting—high settings consume fuel faster. Match expected runtime with task duration or bring spare cylinders for extended use.
5. Safety Features
- ODS (Oxygen Depletion Sensor) shuts off the heater in low-oxygen conditions—important for indoor or semi-enclosed use.
- Tip-Over Protection turns off the unit if it falls.
- Reliable ignition systems and secure tank connections reduce leak and ignition risks.
6. Portability And Build
Weight, footprint, and protective housings matter for frequent transport. Look for integrated handles, stable bases, and compact dimensions if you plan to move the heater between sites or travel with it.
7. Noise And Comfort
Forced-air heaters often produce more noise than radiant units. If working in occupied spaces where noise matters, consider models with noise reduction features or lower-velocity fans.
8. Certifications And Durability
Look for CSA or other recognized safety certifications for indoor use and commercial environments. Industrial housings and corrosion-resistant finishes extend service life, especially in jobsite conditions.
9. Intended Use Scenarios
- For camping and tents: prioritize low BTU radiant units with ODS and tip-over protection.
- For jobsites needing light and power: consider battery-start models that provide LEDs and USB ports.
- For large garages or workshops: choose high-BTU forced-air heaters for faster volume heating.
10. Maintenance And Spare Parts
Check for available replacement parts (igniters, regulators, hoses) and follow the manufacturer’s maintenance guidance for cleaning, checking seals, and storage. Proper maintenance prolongs lifespan and keeps safety systems functioning.
Comparing the models above against these criteria will help match heater features to the environment and tasks you expect. Consider trade-offs between portability, output, runtime, and safety when making a choice.