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22/08/2025Mr. Heater Portable Buddy (MH9BX)
- Provides two heat levels (4,000 and 9,000 BTU) and heats up to 225 sq ft mrheater.com TOOLSiD Nomadic Supply.
- Offers user-friendly features like a fold-down handle, swivel regulator, Piezo igniter, plus built-in safety systems: oxygen depletion sensor (ODS) and tip-over automatic shutdown mrheater.com TOOLSiD.
- Designed for both indoor and outdoor use (except in Massachusetts and Canada in some variants) ipspower.com mrheater.com.
- Runtime: approx. 3 hrs on high (9,000 BTU), 6 hrs on low (4,000 BTU) from a 1-lb cylinder Nomadic Supply TOOLSiD.
Pros:
- Proven reliability and strong safety features.
- Clean ignition, portable, and heats fairly large enclosed spaces.
Con:
- Limited to two set heat levels—some users may want finer control.
User feedback is generally positive:
“It keeps my bedroom nice and toasty… Fires up right away…”
— The Sun
“If you keep the heater heating around 230–250 square feet, it will be very comfortable and warm.”
Heat Hog 9,000 BTU (Stepless/Smooth Control Alternative)
- Offers full 9,000 BTU radiant heat with a tiltable head for directional warmth, curved plaque for wider coverage, and a fuel-warming dock for improved propane efficiency Heat Hog.
- Covers up to 225 sq ft, with ODS and tip-over shutoff for safety Heat Hog.
- Highlights improved fuel economy and adjustable aiming but lacks documentation on precise run times.
Pros:
- Adjustable heat direction (tilt) and maximized coverage via curved plaque.
- Enhanced fuel efficiency via built-in fuel warming dock.
- Comparable safety features.
Cons:
- Lacks clearly defined variable power control (the term “stepless” isn’t confirmed).
- No performance data or hands-on testing results available.
Quick Comparison Table
| Feature | Mr. Heater Portable Buddy | Heat Hog 9,000 BTU (Stepless) |
|---|---|---|
| BTU Levels | 4,000 / 9,000 | 9,000 (continuous output) |
| Heat Direction | Fixed, radiant | Tiltable head, curved plaque |
| Fuel Efficiency Features | Standard burn rate | Fuel-warming dock |
| Coverage Area | ~225 sq ft | ~225 sq ft |
| Safety Features | ODS + tip-over shutdown | ODS + tip-over shutdown |
| Run Time (1-lb canister) | ~3 hrs (9k) / ~6 hrs (4k) | Not specified |
| Portability & Handling | Fold-down handle, swivel regulator | Portable, tiltable design |
| Control Granularity | Two fixed levels | (Not clear—”stepless” not confirmed) |
| Known Reliability | Widely used, trusted reviews | Less tested, fewer reports |
Final Verdict
- Go with Mr. Heater Portable Buddy if you value reliability, clear control, and a proven track record, particularly for tents, workshops, homesteading setups, or emergency heat.
- Consider the Heat Hog 9,000 BTU for its adjustable aiming and fuel-saving design, especially if you’re heating dynamic, directional spaces and want more control over heat placement.



